CN112881605A - Environmental air quality monitoring method and system - Google Patents
Environmental air quality monitoring method and system Download PDFInfo
- Publication number
- CN112881605A CN112881605A CN202110055517.0A CN202110055517A CN112881605A CN 112881605 A CN112881605 A CN 112881605A CN 202110055517 A CN202110055517 A CN 202110055517A CN 112881605 A CN112881605 A CN 112881605A
- Authority
- CN
- China
- Prior art keywords
- sample
- module
- monitoring
- sampling
- standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
- G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
Abstract
The embodiment of the application discloses an environmental air quality monitoring system, which comprises an environmental air quality management command and dispatch center, an internal quality control evaluation module, an external quality supervision module and a monitoring result recording module; the environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module; the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module; the external quality supervision module comprises an external sample management module and an external quality supervision module. Standardize the quality control requirement of the ecological environment monitoring system and ensure the truth, accuracy and completeness of monitoring data.
Description
Technical Field
The embodiment of the application relates to the technical field of environmental protection, in particular to an environmental air quality monitoring system.
Background
Economic benefits are always an important driving force for driving illegal environment damage, and the benefits are beneficial to illegal use. Especially under the large environment of building ecological civilization by taking the strength of the whole country, along with the continuous increase of punishment on destroying the ecological environment, the state of the ecological environment needs to be dynamically mastered in real time, the recovery protection of the ecological environment is accurately evaluated, illegal behaviors destroying the ecological environment are timely supervised and treated, the supervision difficulty of the ecological environment is increased, the supervision cost is improved along with the increase, and the traditional supervision mode is gradually not suitable for the supervision requirement which is gradually improved. The existing ecological environment monitoring quality control method and evaluation have the following problems:
(1) dispersed over thousands of national or industrial monitoring methods;
(2) the quality control method and evaluation of the same monitoring project often conflict among different monitoring methods;
(3) the quality control means of many monitoring projects lacks an evaluation method, so that the evaluation of data quality lacks a reliable basis, and hidden danger is buried for monitoring data.
Disclosure of Invention
Therefore, the environmental air quality monitoring system provided by the embodiment of the application standardizes the quality control requirements of the ecological environment monitoring system, ensures that the monitoring data is true, accurate and complete, and lays a foundation for winning blue sky, private water and clean soil guard warfare.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
an ambient air quality monitoring system, the system comprising: the system comprises an environmental air quality management and command dispatching center, an internal quality control and evaluation module, an external quality supervision module and a monitoring result recording module;
the environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module;
the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module;
the external quality supervision module comprises an external sample management module and an external quality supervision module.
Optionally, the internal sample management module is configured to manage internal sample collection, transportation, handover, and storage; the method specifically comprises the following steps:
internal quality supervision is carried out in the sampling preparation and sampling processes, and sampling personnel are on duty;
synchronously collecting the blank of the whole program of the corresponding monitoring item for each batch of samples, wherein the number of the blank samples in each batch is not less than 1; wherein, the carbon monoxide blank sample is replaced by high-purity nitrogen; membrane method sampling, collecting 2 blank filter membranes in each batch, mounting the filter membranes on a sampling head without sampling, wherein the exposure time of the filter membranes is the same as that of the sample filter membranes on site;
the method comprises the steps that video shooting is carried out when sampling is started and ended every time, video content comprises sampling points, sampling point positioning coordinates, surrounding environment, sampling personnel and equipment facilities, and the video after sampling is ended further comprises a sample collection and sample storage process;
each link of sample receiving, checking and issuing is controlled; sample handover records, sample labels and their packaging should be complete; if the sample is found to be abnormal or in a damaged state, recording, and taking relevant treatment measures or re-sampling;
after the sample returns to the laboratory, a sample administrator ensures that the blank sample in the whole process is encrypted and can not be identified, and secondary encoding is carried out;
the administrator checks from the following aspects: a sample location check, a sampling equipment facility suitability check, a sample record check, a sample check, and a sample hand-off check.
Optionally, the laboratory analysis module is specifically used for method detection limit, blank test, quantitative calibration and accuracy control;
the method detection limit of the monitoring project of the method detection limit is lower than 1/4 of GB 3095 primary standard limit value, or at least lower than the GB 3095 primary standard limit value requirement;
the blank test comprises a whole-process blank and a laboratory blank, the measurement result of each target compound in the blank test is lower than the detection limit of the method, and if the result is higher than the lower measurement limit, the sampling is carried out again; wherein the measurement results of the whole sequence blank sample are not subtracted from the measurement results of the sample; testing at least 1 blank of the laboratory in each batch, and if the result is lower than the detection limit of the method, neglecting; if the result is higher than the detection limit of the method and lower than the detection lower limit and is stable, carrying out repeated tests for multiple times, calculating the average value and deducting the average value from the sample determination result;
the quantitative calibration comprises instrument quantitative calibration, calibration curve inspection and instrument stability inspection; when the calibration curve inspection is adopted for quantitative analysis, the calibration curve and the sample measurement are carried out simultaneously, a standard series curve which at least comprises 5 concentration gradients and does not contain zero concentration points is used, the lowest point is close to the lower limit of the measurement of the analysis test method, and the correlation coefficient of the curve meets the standard requirement of the monitoring method of the corresponding project;
the accuracy control includes: standard samples or certified standard substances or substances which can be traced to national standards are used in the monitoring work; during continuous analysis, at least 1 certified standard sample is inserted into each 20 samples or each batch of samples after the analysis is finished to perform analysis and test; the test result of the certified standard sample is judged to be qualified within the tolerance range; when a failure occurs, the cause should be identified, appropriate corrective and preventative measures taken, and the batch of samples taken again if necessary.
Optionally, the user guidance module is specifically configured to:
guiding users to learn basic knowledge of environmental protection, laws and regulations, evaluation standards, monitoring standards or technical specifications, quality control requirements, and safety protection knowledge about chemistry, biology and radiation.
Optionally, the location selection module is specifically configured to allocate a location that meets the monitoring work requirement, and the location meets the requirements of relevant laws and regulations, standards or technical specifications; and to ensure that the operating environment meets the requirements of the monitoring standards or technical specifications.
Optionally, the equipment facility management module is specifically configured to:
equipment and facilities required by each link of monitoring work are equipped, and the number of the equipment and facilities is matched with the amount of the undertaken monitoring tasks; the instrumentation is certified or calibrated before being placed into service.
Optionally, the standard reference module includes a management system module and a standard compliance module; the standard basis module is used for carrying out sampling work according to the technical specification of the ecological environment monitoring industry, the national standard and the ecological environment industry standard are preferentially selected for sample testing, and the CMA qualification of all detection items contained in the task is obtained.
Optionally, the external sample management module is used for sample collection, preparation and storage, laboratory analysis.
Optionally, the external quality supervision module is specifically configured to:
receiving quality supervision activities carried out by the committee in an unscheduled telephone, e-mail and field inspection mode so as to ensure the progress and quality of monitoring service work;
in the quality supervision and inspection process, for the condition which is found out in inspection and does not meet the requirements, timely taking corrective measures and preventive measures, if finding out that the major quality detection and safety management problems exist, stopping working, and adjusting and modifying according to the supervision and inspection opinion limit; for laboratories that do not meet the requirements after rectification, the client can terminate the contract.
Optionally, the monitoring result and recording module is specifically configured to:
the integrity of the monitoring data is maintained, and the data cannot be selectively discarded or the test result cannot be analyzed by human intervention;
the monitoring personnel should check the original data and the report data; checking the suspicious data or the report by contrasting with the original record;
the original record should be the handwritten signature or equivalent identification of the monitoring personnel and the auditor; the monitoring personnel fills in the original record; the auditor checks whether the result and record are complete, whether the error exists during copying or recording into a computer, whether the data are abnormal, and audits the accuracy, the logicality, the comparability and the reasonableness of the record and the data;
analyzing the test result according to effective digits specified by a monitoring standard method and a legal measurement unit expression, wherein the digit of the effective digits does not exceed the reserved digit of a method detection limit;
and the original monitoring record and the monitoring report implement a three-level auditing system.
In summary, the embodiment of the present application provides an ambient air quality monitoring system, which manages and dispatches a center, an internal quality control and evaluation module, an external quality supervision module, and a monitoring result recording module through ambient air quality; the environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module; the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module; the external quality supervision module comprises an external sample management module and an external quality supervision module. Standardize the quality control requirement of the ecological environment monitoring system and ensure the truth, accuracy and completeness of monitoring data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a system for monitoring the ambient air quality according to an embodiment of the present disclosure.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 illustrates an ambient air quality monitoring method provided in an embodiment of the present application, where the method includes: the system comprises an environmental air quality management and command dispatching center, an internal quality control and evaluation module, an external quality supervision module and a monitoring result recording module.
The environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module; the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module; the external quality supervision module comprises an external sample management module and an external quality supervision module.
In one possible embodiment, the internal sample management module is used for managing internal sample collection, transportation, handover and storage; the method specifically comprises the following steps:
internal quality supervision is carried out in the sampling preparation and sampling processes, and sampling personnel are on duty; synchronously collecting the blank of the whole program of the corresponding monitoring item for each batch of samples, wherein the number of the blank samples in each batch is not less than 1; wherein, the carbon monoxide blank sample is replaced by high-purity nitrogen; membrane method sampling, collecting 2 blank filter membranes in each batch, mounting the filter membranes on a sampling head without sampling, wherein the exposure time of the filter membranes is the same as that of the sample filter membranes on site; the method comprises the steps that video shooting is carried out when sampling is started and ended every time, video content comprises sampling points, sampling point positioning coordinates, surrounding environment, sampling personnel and equipment facilities, and the video after sampling is ended further comprises a sample collection and sample storage process; each link of sample receiving, checking and issuing is controlled; sample handover records, sample labels and their packaging should be complete; if the sample is found to be abnormal or in a damaged state, recording, and taking relevant treatment measures or re-sampling; after the sample returns to the laboratory, a sample administrator ensures that the blank sample in the whole process is encrypted and can not be identified, and secondary encoding is carried out; the administrator checks from the following aspects: a sample location check, a sampling equipment facility suitability check, a sample record check, a sample check, and a sample hand-off check.
In a possible embodiment, the laboratory analysis module is used in particular for method detection limits, blank tests, quantitative calibration and accuracy control;
the method detection limit of the monitoring project of the method detection limit is lower than 1/4 of GB 3095 primary standard limit value, or at least lower than the GB 3095 primary standard limit value requirement; the blank test comprises a whole-process blank and a laboratory blank, the measurement result of each target compound in the blank test is lower than the detection limit of the method, and if the result is higher than the lower measurement limit, the sampling is carried out again; wherein the measurement results of the whole sequence blank sample are not subtracted from the measurement results of the sample; testing at least 1 blank of the laboratory in each batch, and if the result is lower than the detection limit of the method, neglecting; if the results are above the method detection limit, below the lower detection limit and stable, multiple replicates are run, the average calculated and subtracted from the sample assay results.
The quantitative calibration comprises instrument quantitative calibration, calibration curve inspection and instrument stability inspection; when the calibration curve inspection is adopted for quantitative analysis, the calibration curve and the sample measurement are carried out simultaneously, a standard series curve which at least comprises 5 concentration gradients and does not contain zero concentration points is used, the lowest point is close to the lower limit of the measurement of the analysis test method, and the correlation coefficient of the curve meets the standard requirement of the monitoring method of the corresponding project; the accuracy control comprises: standard samples or certified standard substances or substances which can be traced to national standards are used in the monitoring work; during continuous analysis, at least 1 certified standard sample is inserted into each 20 samples or each batch of samples after the analysis is finished to perform analysis and test; the test result of the certified standard sample is judged to be qualified within the tolerance range; when a failure occurs, the cause should be identified, appropriate corrective and preventative measures taken, and the batch of samples taken again if necessary.
In a possible implementation manner, the user guidance module is specifically configured to: guiding users to learn basic knowledge of environmental protection, laws and regulations, evaluation standards, monitoring standards or technical specifications, quality control requirements, and safety protection knowledge about chemistry, biology and radiation.
In a possible embodiment, the site selection module is specifically configured to equip a site satisfying the monitoring work requirements, the site satisfying the relevant legal, standard or technical specification requirements; and to ensure that the operating environment meets the requirements of the monitoring standards or technical specifications.
In a possible implementation, the equipment and facility management module is specifically configured to: equipment and facilities required by each link of monitoring work are equipped, and the number of the equipment and facilities is matched with the amount of the undertaken monitoring tasks; the instrumentation is certified or calibrated before being placed into service.
In one possible implementation, the standard reference module comprises a management system module and a standard-dependent module; the standard basis module is used for carrying out sampling work according to the technical specification of the ecological environment monitoring industry, the national standard and the ecological environment industry standard are preferentially selected for sample testing, and the CMA qualification of all detection items contained in the task is obtained.
In one possible embodiment, the external sample management module is used for sample collection, preparation and storage, laboratory analysis.
In a possible implementation, the external quality supervision module is specifically configured to: receiving quality supervision activities carried out by the committee in an unscheduled telephone, e-mail and field inspection mode so as to ensure the progress and quality of monitoring service work; in the quality supervision and inspection process, for the condition which is found out in inspection and does not meet the requirements, timely taking corrective measures and preventive measures, if finding out that the major quality detection and safety management problems exist, stopping working, and adjusting and modifying according to the supervision and inspection opinion limit; for laboratories that do not meet the requirements after rectification, the client can terminate the contract.
In a possible implementation, the monitoring result and recording module is specifically configured to: the integrity of the monitoring data is maintained, and the data cannot be selectively discarded or the test result cannot be analyzed by human intervention; the monitoring personnel should check the original data and the report data; checking the suspicious data or the report by contrasting with the original record; the original record should be the handwritten signature or equivalent identification of the monitoring personnel and the auditor; the monitoring personnel fills in the original record; the auditor checks whether the result and record are complete, whether the error exists during copying or recording into a computer, whether the data are abnormal, and audits the accuracy, the logicality, the comparability and the reasonableness of the record and the data; analyzing the test result according to effective digits specified by a monitoring standard method and a legal measurement unit expression, wherein the digit of the effective digits does not exceed the reserved digit of a method detection limit; and the original monitoring record and the monitoring report implement a three-level auditing system.
When the method provided by the embodiment of the application is specifically implemented, the national standard or the industrial standard is strict with the requirement of the scheme, and the standard requirement is executed; and if the standard is not specified or is lower than the requirement of the scheme, executing the requirement of the scheme. The scheme is not specified and needs to meet the requirements set by the quality standard, the monitoring method standard and the technical specification of related projects.
The environmental air quality monitoring system provided by the embodiment of the application is suitable for a detection mechanism for bearing the task of manually monitoring the environmental air quality entrusted by an ecological environment system of an autonomous region. The basic requirements of environmental air quality monitoring, internal quality control and evaluation, external quality supervision and inspection, monitoring results, recording and other quality control technical requirements are stipulated. The following provides a detailed explanation of the ambient air quality monitoring system provided in the embodiments of the present application in conjunction with the above description.
The user should have basic knowledge of environmental protection, laws and regulations, evaluation standards, monitoring standards or technical specifications, quality control requirements, and safety protection knowledge about chemistry, biology, radiation, etc. in accordance with the post. Necessary training and capability confirmation are needed before the ecological environment monitoring work is undertaken. The work of monitoring the ecological environment should be undertaken and certified. The basic knowledge of environmental protection, laws and regulations, evaluation standards, monitoring standards or technical specifications, quality control requirements, and safety protection knowledge about chemistry, biology, radiation, etc. which are suitable for the post to be treated should be mastered. Necessary training and capability confirmation are needed before the ecological environment monitoring work is undertaken. The work of monitoring the ecological environment should be undertaken and certified.
Sites that meet the needs of monitoring work should be equipped, and sites should meet the requirements of relevant laws and regulations, standards or technical specifications. It should be ensured that the working environment meets the requirements of the monitoring standard or technical specification.
In terms of equipment facilities, facilities should monitor the equipment and facilities required for various links of work (e.g., field testing and sampling, sample storage, transportation and preparation, laboratory analysis and data processing, etc.) in an aligned manner, and the number should match the amount of monitoring tasks undertaken. The instrumentation should be certified or calibrated before being placed into service.
In the aspect of management system, the formulated management system should meet the requirements of general requirements for qualification certification of inspection and detection institutions (RB/T214) and supplementary requirements for review of ecological environment monitoring institutions for qualification certification of inspection and detection (State municipal administration and detection [ 2018 ] 245).
In the aspect of standard basis, sampling work is carried out according to the technical specifications of the ecological environment monitoring industry; the sample test should preferably select national standard and ecological environment industry standard, and obtain CMA qualification of all detection items contained in the task.
In the aspect of quality control and evaluation in the mechanism, a quality control group is arranged in the mechanism to play a role in supervision, make a quality control plan and take charge of quality control and inspection of each link.
In a first aspect, sample collection, transport, hand-over and storage.
The sampling preparation and sampling process should be carried out with necessary internal quality supervision, and the number of sampling personnel is at least 2, and the sampling personnel is certified for post work. Each batch (each batch refers to the same sampling date, the same batch of reagents, the same sampling group and the same sample group, hereinafter) of samples is required to synchronously collect the whole program blank of the corresponding monitoring item, and the number of blank samples in each batch is not less than 1. Wherein: the carbon monoxide blank sample is replaced by high-purity nitrogen; and (3) membrane method sampling, wherein 2 blank filter membranes are collected in each batch, and the filter membranes are arranged on a sampling head without sampling and are exposed on site for the same time as the sample filter membranes. Each sampling is to take video shooting when the sampling starts and ends, and the video comprises the following contents: sampling point, sampling point location coordinate and surrounding environment, sampling personnel, equipment facility, wherein the video of sampling end should still include and receive the appearance and sample save process, and the video should be filed, and the naming format is "time + classification + point position + start time/end time", if "20200101 + ambient air + XX point + 10: 00 start "," 20200102+ ambient air + XX point + 11: 00 end ". If the ecological environment monitoring quality management platform is started, the method is carried out according to the platform requirements.
Measures should be taken during the transportation process of the sample to ensure the stability of the sample property and avoid contamination, loss and loss. The links of sample receiving, checking and issuing are controlled; the sample hand-off record, sample label and its packaging should be complete. If the sample is found to be abnormal or damaged, it should be recorded faithfully and relevant treatment measures taken as soon as possible, and re-sampled if necessary. After the sample returns to the laboratory, a sample administrator should ensure that the blank sample of the whole procedure is encrypted and can not be identified, and secondary encoding is carried out if necessary.
The field supervisor checks from several aspects: (1) and (3) checking a sampling position: the representativeness and the reasonability of the sampling point, the correctness of the sampling position and the like; (2) checking the facility applicability of the sampling equipment; (3) and (3) sampling record checking: sampling point information, sample information, work information, and the like; recording the completeness and accuracy of filling content, whether the field video content is complete and clear, and the like; (4) and (3) sample inspection: sample labels, sample volume and quantity, sample packaging container material, sample anti-contamination measures and the like; (5) sample handover inspection: sample handover procedure, whether the handover order is filled in as normal or complete, etc.
In a second aspect, laboratory analysis. The method comprises the following modes:
1. the method detection limit. The method detection limit of the monitoring project is 1/4 which is lower than the first-level standard limit value of GB 3095 in principle, and if the method standard can not be met, the requirement of being lower than the first-level standard limit value of GB 3095 is at least met.
2. And (5) blank testing.
(1) The measurement results for each target compound in the blank test (including the whole process blank and the laboratory blank) should generally be below the detection limit of the method, and if the results are above the lower measurement limit, the cause should be searched and re-sampling should be performed if necessary.
(2) The assay results for the full sequence blank sample should generally not be subtracted from the sample assay results.
(3) At least 1 laboratory blank is tested in each batch, and if the result is lower than the detection limit of the method, the result can be ignored; if the results are above the method detection limit, below the detection limit and relatively stable, multiple replicates can be run, the average calculated and subtracted from the sample measurement.
3. And (4) quantitative calibration.
(1) And (5) quantitatively calibrating the instrument.
And (4) selecting a certified standard sample for quantitative calibration of an analytical instrument. When there is no evidence standard sample, it can also use chemical substance with high purity and stable property to directly prepare instrument to quantitatively calibrate sample.
(2) And (6) checking a calibration curve.
When the calibration curve method is used for quantitative analysis, the calibration curve and the sample measurement are carried out simultaneously, a standard series (without a zero concentration point) at least comprising 5 concentration gradients is used, the lowest point of the curve is close to the lower limit of the measurement of the analysis test method, and the correlation coefficient of the curve meets the standard requirement of the monitoring method of the corresponding item.
(3) And (6) checking the stability of the instrument.
For continuous analysis, every 20 samples or batch of samples (less than 20 samples/batch) and after analysis is completed, a standard series of zero concentration point and intermediate concentration point checks are performed. The test result of the zero concentration point is lower than the detection limit of the method, the relative error between the measured value of the intermediate concentration and the standard value is required, the inorganic test item is required to be controlled within +/-10%, the organic test item is required to be controlled within 20%, when the relative error exceeds the range, the reason is required to be found, the calibration curve is drawn again, and all samples of the batch are analyzed and tested again.
4. And (5) controlling the accuracy.
(1) Standard samples/certified standard substances or substances that can be traced to national benchmarks should be used in the monitoring work.
(2) In the case of continuous analysis, at least 1 certified standard sample should be inserted for analytical testing after the analysis of every 20 samples or batches of samples (less than 20 samples/batch). And judging that the test result of the certified standard sample is qualified within the tolerance range.
(3) When a failure occurs, the cause should be identified, appropriate corrective and preventative measures taken, and the batch of samples taken again if necessary.
In the aspect of external quality supervision and verification, the entrusting party should set a quality supervision and verification group to play the role of external quality supervision work, set a working scheme and take charge of the external quality supervision and verification of each link on the basis of connection with the undertaking units.
In a first aspect, samples are collected, prepared and stored.
1. In the process of carrying out corresponding tasks by the undertaking units, the entrusting party randomly extracts part of the tasks to carry out side station supervision or synchronous sampling.
2. And carrying out field check on the undertaking units according to the internal quality control requirement.
In a second aspect, laboratory analysis.
1. An certified standard sample or a specially-customized unified quality control sample (hereinafter referred to as "monitoring sample") is used as an external quality control sample.
2. The certified standard sample is evaluated in a tolerance range on the certificate, and the accuracy of the test results of other monitoring samples is expressed in relative error (relative error of the test value and the configuration concentration value), and the relative error is not more than 10%.
3. When a failure occurs in a monitored sample, the cause should be identified, appropriate corrective and preventative measures taken, a quality analysis report provided, and the batch of samples re-collected if necessary.
In a third aspect, external quality supervision.
1. And receiving quality supervision activities carried out by the committee in modes of irregular telephone calls, e-mails, field inspection and the like so as to ensure the progress and the quality of monitoring service work.
2. In the quality supervision and inspection process, for the condition which is found out in inspection and does not meet the requirements, corrective measures and preventive measures should be taken in time, if major quality detection and safety management problems are found, the work should be stopped immediately, and the inspection and inspection opinions are corrected according to the period. For laboratories that do not meet the requirements after rectification, the client can terminate the contract.
3. Once the false detection report is found out or the result is seriously lost, the method for judging and processing the false behavior of the environmental monitoring data (Anhui 2015 175) issued by the environmental protection department is strictly executed, the contract is immediately terminated, and the penalty or compensation is implemented according to the contract terms. The person with serious plot can be made up according to the relevant laws and regulations.
In terms of monitoring results and recording, the method mainly comprises the following aspects:
1. the integrity of the monitoring data should be ensured, the analysis test result should be scientifically and objectively reflected, and the data or the human intervention analysis test result should not be selectively discarded.
2. And the monitoring personnel should check the original data and the reported data. And checking the found suspicious data or reports according to the original records.
3. The original record should be the handwritten signature or equivalent identification of the monitoring personnel and the auditor. The monitoring personnel fills in the original record. The auditor should check whether the results and records are complete, whether there is an error in copying or entering the computer, whether the data is abnormal, etc., and audit the accuracy, logicality, comparability, and rationality of the records and data.
4. The analysis and test result should be expressed according to the effective number specified by the monitoring standard method and the legal measurement unit, and the number of the effective number should not exceed the reserved number of the detection limit of the method. When the analysis test result is lower than the method detection limit, the ND is used for representing, and the method detection limit of the laboratory is given.
5. The original monitoring record and the monitoring report should be subjected to a three-level auditing system.
It can be seen that, on the basis of accumulating a large number of monitoring data samples, the embodiment of the application fills up the national standard blank from the following aspects through statistical analysis:
(1) determining the quantity and proportion of blank samples and parallel samples;
(2) clear requirements are provided for the detection limit of the monitoring method;
(3) by counting a large amount of basic data, the precision control requirements of parallel samples under various monitoring items and different monitoring concentration levels are refined.
(4) And defining the method, the mode and the evaluation requirement of the accuracy control.
In summary, the embodiment of the present application provides an ambient air quality monitoring system, which manages and dispatches a center, an internal quality control and evaluation module, an external quality supervision module, and a monitoring result recording module through ambient air quality; the environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module; the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module; the external quality supervision module comprises an external sample management module and an external quality supervision module. Standardize the quality control requirement of the ecological environment monitoring system and ensure the truth, accuracy and completeness of monitoring data.
In the present specification, each embodiment of the method is described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. Reference is made to the description of the method embodiments.
It is noted that while the operations of the methods of the present invention are depicted in the drawings in a particular order, this is not a requirement or suggestion that the operations must be performed in this particular order or that all of the illustrated operations must be performed to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
Although the present application provides method steps as in embodiments or flowcharts, additional or fewer steps may be included based on conventional or non-inventive approaches. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. When an apparatus or client product in practice executes, it may execute sequentially or in parallel (e.g., in a parallel processor or multithreaded processing environment, or even in a distributed data processing environment) according to the embodiments or methods shown in the figures. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the presence of additional identical or equivalent elements in a process, method, article, or apparatus that comprises the recited elements is not excluded.
The units, devices, modules, etc. set forth in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. For convenience of description, the above devices are described as being divided into various modules by functions, and are described separately. Of course, in implementing the present application, the functions of each module may be implemented in one or more software and/or hardware, or a module implementing the same function may be implemented by a combination of a plurality of sub-modules or sub-units, and the like. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may therefore be considered as a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, classes, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a mobile terminal, a server, or a network device) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The above-mentioned embodiments are further described in detail for the purpose of illustrating the invention, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An ambient air quality monitoring system, the system comprising: the system comprises an environmental air quality management and command dispatching center, an internal quality control and evaluation module, an external quality supervision module and a monitoring result recording module;
the environmental air quality management commanding and dispatching center comprises a user guidance module, a place selection module, an equipment facility management module and a standard reference module;
the internal quality control evaluation module comprises an internal sample management module and a laboratory analysis module;
the external quality supervision module comprises an external sample management module and an external quality supervision module.
2. The system of claim 1, wherein the internal sample management module is configured to manage internal sample collection, transportation, hand-off, and storage; the method specifically comprises the following steps:
internal quality supervision is carried out in the sampling preparation and sampling processes, and sampling personnel are on duty;
synchronously collecting the blank of the whole program of the corresponding monitoring item for each batch of samples, wherein the number of the blank samples in each batch is not less than 1; wherein, the carbon monoxide blank sample is replaced by high-purity nitrogen; membrane method sampling, collecting 2 blank filter membranes in each batch, mounting the filter membranes on a sampling head without sampling, wherein the exposure time of the filter membranes is the same as that of the sample filter membranes on site;
the method comprises the steps that video shooting is carried out when sampling is started and ended every time, video content comprises sampling points, sampling point positioning coordinates, surrounding environment, sampling personnel and equipment facilities, and the video after sampling is ended further comprises a sample collection and sample storage process;
each link of sample receiving, checking and issuing is controlled; sample handover records, sample labels and their packaging should be complete; if the sample is found to be abnormal or in a damaged state, recording, and taking relevant treatment measures or re-sampling;
after the sample returns to the laboratory, a sample administrator ensures that the blank sample in the whole process is encrypted and can not be identified, and secondary encoding is carried out;
the administrator checks from the following aspects: a sample location check, a sampling equipment facility suitability check, a sample record check, a sample check, and a sample hand-off check.
3. The system of claim 1, wherein the laboratory analysis module is specifically for method detection limits, blank tests, quantitative calibration, and accuracy control;
the method detection limit of the monitoring project of the method detection limit is lower than 1/4 of GB 3095 primary standard limit value, or at least lower than the GB 3095 primary standard limit value requirement;
the blank test comprises a whole-process blank and a laboratory blank, the measurement result of each target compound in the blank test is lower than the detection limit of the method, and if the result is higher than the lower measurement limit, the sampling is carried out again; wherein the measurement results of the whole sequence blank sample are not subtracted from the measurement results of the sample; testing at least 1 blank of the laboratory in each batch, and if the result is lower than the detection limit of the method, neglecting; if the result is higher than the detection limit of the method and lower than the detection lower limit and is stable, carrying out repeated tests for multiple times, calculating the average value and deducting the average value from the sample determination result;
the quantitative calibration comprises instrument quantitative calibration, calibration curve inspection and instrument stability inspection; when the calibration curve inspection is adopted for quantitative analysis, the calibration curve and the sample measurement are carried out simultaneously, a standard series curve which at least comprises 5 concentration gradients and does not contain zero concentration points is used, the lowest point is close to the lower limit of the measurement of the analysis test method, and the correlation coefficient of the curve meets the standard requirement of the monitoring method of the corresponding project;
the accuracy control includes: standard samples or certified standard substances or substances which can be traced to national standards are used in the monitoring work; during continuous analysis, at least 1 certified standard sample is inserted into each 20 samples or each batch of samples after the analysis is finished to perform analysis and test; the test result of the certified standard sample is judged to be qualified within the tolerance range; when a failure occurs, the cause should be identified, appropriate corrective and preventative measures taken, and the batch of samples taken again if necessary.
4. The system of claim 1, wherein the user guidance module is specifically configured to:
guiding users to learn basic knowledge of environmental protection, laws and regulations, evaluation standards, monitoring standards or technical specifications, quality control requirements, and safety protection knowledge about chemistry, biology and radiation.
5. The system of claim 1, wherein the site selection module is specifically configured to equip a site meeting monitoring work requirements, the site meeting relevant legal, standard or technical specification requirements; and to ensure that the operating environment meets the requirements of the monitoring standards or technical specifications.
6. The system of claim 1, wherein the equipment facility management module is specifically configured to:
equipment and facilities required by each link of monitoring work are equipped, and the number of the equipment and facilities is matched with the amount of the undertaken monitoring tasks; the instrumentation is certified or calibrated before being placed into service.
7. The system of claim 1, wherein the standard reference module comprises a management hierarchy module and a standard compliance module; the standard basis module is used for carrying out sampling work according to the technical specification of the ecological environment monitoring industry, the national standard and the ecological environment industry standard are preferentially selected for sample testing, and the CMA qualification of all detection items contained in the task is obtained.
8. The system of claim 1, wherein the external sample management module is used for sample collection, preparation and storage, laboratory analysis.
9. The system of claim 1, wherein the external quality supervision module is specifically configured to:
receiving quality supervision activities carried out by the committee in an unscheduled telephone, e-mail and field inspection mode so as to ensure the progress and quality of monitoring service work;
in the quality supervision and inspection process, for the condition which is found out in inspection and does not meet the requirements, timely taking corrective measures and preventive measures, if finding out that the major quality detection and safety management problems exist, stopping working, and adjusting and modifying according to the supervision and inspection opinion limit; for laboratories that do not meet the requirements after rectification, the client can terminate the contract.
10. The system of claim 1, wherein the monitoring results and recording module is specifically configured to:
the integrity of the monitoring data is maintained, and the data cannot be selectively discarded or the test result cannot be analyzed by human intervention;
the monitoring personnel should check the original data and the report data; checking the suspicious data or the report by contrasting with the original record;
the original record should be the handwritten signature or equivalent identification of the monitoring personnel and the auditor; the monitoring personnel fills in the original record; the auditor checks whether the result and record are complete, whether the error exists during copying or recording into a computer, whether the data are abnormal, and audits the accuracy, the logicality, the comparability and the reasonableness of the record and the data;
analyzing the test result according to effective digits specified by a monitoring standard method and a legal measurement unit expression, wherein the digit of the effective digits does not exceed the reserved digit of a method detection limit;
and the original monitoring record and the monitoring report implement a three-level auditing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055517.0A CN112881605A (en) | 2021-01-15 | 2021-01-15 | Environmental air quality monitoring method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055517.0A CN112881605A (en) | 2021-01-15 | 2021-01-15 | Environmental air quality monitoring method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112881605A true CN112881605A (en) | 2021-06-01 |
Family
ID=76048214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110055517.0A Pending CN112881605A (en) | 2021-01-15 | 2021-01-15 | Environmental air quality monitoring method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112881605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116737428A (en) * | 2023-08-14 | 2023-09-12 | 中科三清科技有限公司 | Air quality mode operation stability checking method and device and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745311A (en) * | 2012-07-26 | 2012-10-24 | 广西壮族自治区环境监测中心站 | Positioning and communicating integrated environmental monitoring buoy |
| CN107967573A (en) * | 2017-12-21 | 2018-04-27 | 河北鸿海环保科技有限公司 | Automated monitor data quality management system and method based on cloud platform |
-
2021
- 2021-01-15 CN CN202110055517.0A patent/CN112881605A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745311A (en) * | 2012-07-26 | 2012-10-24 | 广西壮族自治区环境监测中心站 | Positioning and communicating integrated environmental monitoring buoy |
| CN107967573A (en) * | 2017-12-21 | 2018-04-27 | 河北鸿海环保科技有限公司 | Automated monitor data quality management system and method based on cloud platform |
Non-Patent Citations (3)
| Title |
|---|
| 夏新 等: "国家环境监测网质量体系的构建", 《中国环境监测》 * |
| 智颖: "室内空气污染监测的质量保证与智爱玲控制探讨", 《环境与发展》 * |
| 石燕娜 等: "公共场所空气中甲醛检测质量控制分析", 《浙江化工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116737428A (en) * | 2023-08-14 | 2023-09-12 | 中科三清科技有限公司 | Air quality mode operation stability checking method and device and electronic equipment |
| CN116737428B (en) * | 2023-08-14 | 2023-11-21 | 中科三清科技有限公司 | Air quality mode operation stability checking method and device and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Oteros et al. | An operational robotic pollen monitoring network based on automatic image recognition | |
| Vincent et al. | COLCHIC-occupational exposure to chemical agents database: current content and development perspectives | |
| CN112881629A (en) | Water environment quality monitoring control system | |
| Solijonov et al. | THE role of standardization in the industry and the analytical methods of product certification | |
| CN112881605A (en) | Environmental air quality monitoring method and system | |
| CN106203557A (en) | Oil field vehicle transport the Internet supervisory systems and monitoring and managing method | |
| CN105260827A (en) | Electronic safety prevention system and method for factory-entering material inspection process of metallurgical enterprise | |
| CN114529182A (en) | Ecological environment monitoring quality management system | |
| CN207423981U (en) | A kind of automatic recognition system of laboratory sample and its crucible for placing sample | |
| Denier et al. | Evaluation of the international Monitoring System and international Data centre of the comprehensive Nuclear-Test-Ban Treaty Organization | |
| CN110009176A (en) | A kind of transmission and distribution enterprises equipment informationization field surveillance method of inspection and system | |
| Wen et al. | Application of LIMS in Quality Management of Environmental Monitoring Laboratory | |
| CN115048981B (en) | Method and device for processing and inspecting high-calorific-value components of decoration garbage and electronic equipment | |
| Thione et al. | State of the art of third-party product testing and certification | |
| Sun | Discussion on the Key Links in the Process of Building Material Quality Inspection and Testing | |
| CN106201885A (en) | Processor automatic test approach and device are captured in Face datection comparison | |
| CN114757571A (en) | Assembled construction grouting connection quality service system | |
| CN115936498A (en) | Method and system for evaluating effectiveness of in-service inspection means of nuclear power plant | |
| Ratiu et al. | A bias assessment for in-situ ultrasonic hardness testing of steel fasteners | |
| RICHIR et al. | Data analysis and interpretation software from solution monitoring towards near real time accountancy | |
| Meier | EMP Attachment 1 DOE-SC PNNL Site Sampling and Analysis Plan | |
| Still et al. | Industrial Hygiene Program Management, VIII: Quantitative Industrial Hygiene Programs: Workplace Monitoring | |
| CN117408645A (en) | Ultrasonic thickness gauge pipeline corrosion inspection method based on digital label | |
| CN116663993A (en) | Quality monitoring control management system of agricultural product laboratory | |
| None | Quality Assurance Program Plan for TRUPACT-II Gas Generation Test Program (Rev. 2) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |