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HJ 442.2-2020: (Technical Specifications for Environmental Monitoring in Coastal Seas - Part 2: Data Processing and Information Management)
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(Technical Specifications for Environmental Monitoring in Coastal Seas - Part 2: Data Processing and Information Management)
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HJ 442.2-2020
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Basic data | Standard ID | HJ 442.2-2020 (HJ442.2-2020) | | Description (Translated English) | (Technical Specifications for Environmental Monitoring in Coastal Seas - Part 2: Data Processing and Information Management) | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | Z06 | | Classification of International Standard | 13.020 | | Word Count Estimation | 14,143 | | Date of Issue | 2020-12-16 | | Date of Implementation | 2021-03-01 | | Older Standard (superseded by this standard) | HJ 442-2008 | | Regulation (derived from) | Ministry of Ecology and Environment Announcement No. 66 [2020] | | Issuing agency(ies) | Ministry of Ecology and Environment | HJ 442.2-2020: (Technical Specifications for Environmental Monitoring in Coastal Seas - Part 2: Data Processing and Information Management)
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(Technical Specifications for Environmental Monitoring in Coastal Seas Part Two. Data Processing and Information Management)
National Environmental Protection Standards of the People's Republic of China
Replace HJ 442-2008
Technical specifications for environmental monitoring in coastal waters
Part Two. Data Processing and Information Management
Technical specification for offshore environmental monitoring
Part 2 data processing and information management
2020-12-16 release
2020-03-01 Implementation
Issued by the Ministry of Ecology and Environment
i table of contents
Foreword...Ⅱ
1 Scope of application...1
2 Normative references...1
3 Terms and definitions...1
4 Monitoring data information and data processing...1
5 Data review...3
6 Judgment and treatment of data audit problems...5
7 Data reporting...6
8 Data Archiving...6
Appendix A (informative appendix) Data report...7
Foreword
To implement the Environmental Protection Law of the People’s Republic of China, the Marine Environmental Protection Law of the People’s Republic of China, and the People’s Republic of China
Regulations of the People’s Republic of China on the Prevention and Control of Land-Source Pollutants Pollution and Damage to the Marine Environment
Regulations on the Management of Project Pollution Damage to the Marine Environment, "Administrative Measures for Environmental Functional Zones in Coastal Seas", to regulate the ecological environment of coastal seas
Quality monitoring, protecting the ecological environment, and ensuring the scientific, accurate, systematic and comparable environmental monitoring of the coastal waters across the country
This standard is formulated for sex and representativeness.
This standard was first published in.2008.The original standard drafting unit was China Environmental Monitoring Station and Zhoushan Ocean
Ecological environment monitoring station. This is the first revision. The revised standard consists of the following ten parts.
Part One General Provisions
Part Two. Data Processing and Information Management
Part III Water Quality Monitoring of Inshore Waters
Part Four. Monitoring of Sediment in Coastal Seas
Part V Monitoring of Biological Quality in Coastal Waters
Part VI Biological Monitoring in Inshore Waters
Part VII Monitoring of rivers entering the sea
Part 8.Monitoring of Direct Discharge of Sea Pollution Sources and Impact on the Water Environment of Inshore Waters
Part IX Emergency and Special Monitoring in Coastal Waters
Part 10 Evaluation and Report
This standard, as the second part of the revised standard, focuses on data processing, statistics, review and submission content.
Order the following content.
--Complete the data processing, data submission and data archiving parts;
--Added data review, review problem judgment and handling.
Appendix A of this standard is an informative appendix.
From the date of implementation of this standard, the "Environmental Monitoring Specifications for Coastal Sea Areas" (HJ 442-2008) shall be abolished.
This standard was formulated by the Department of Ecological Environment Monitoring and the Department of Regulations and Standards of the Ministry of Ecology and Environment.
Drafting organizations of this standard. China Environmental Monitoring Station, Zhoushan Marine Ecological Environmental Monitoring Station of Zhejiang Province, Tianjin Ecological
Environmental Monitoring Center, Dalian Ecological Environmental Monitoring Center of Liaoning Province.
This standard was approved by the Ministry of Ecology and Environment on December 16, 2020.
This standard will be implemented on March 1, 2021.
This standard is interpreted by the Ministry of Ecology and Environment.
1 Technical specifications for environmental monitoring in coastal waters
Part Two. Data Processing and Information Management
1 Scope of application
This standard specifies the technical requirements for the processing, review and submission of environmental monitoring data in coastal waters.
This standard is applicable to the ecological environment quality (water quality, sediment, biological, biological quality) of coastal waters, rivers entering the sea,
Direct discharge of sea pollution sources and impacts on the water environment of coastal waters, monitoring of sudden emergencies and special monitoring, etc.
2 Normative references
The content of this standard refers to the terms in the following documents. For undated references, the valid version is applicable to
This standard.
GB/T 4883 Statistical processing and interpretation of data Judgment and processing of outliers in normal samples
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
HJ 168 Technical Guidelines for the Preparation and Revision of Environmental Monitoring and Analysis Methods
HJ 442.6 Technical Specification for Environmental Monitoring in Coastal Seas Part 6 Biological Monitoring in Coastal Seas
HJ 442.10 Technical Specifications for Environmental Monitoring in Coastal Seas Part Ten Evaluation and Report
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Monitoring data integrity
All information in the process of obtaining monitoring data. Including all the information of the sampling, storage and analysis process.
4 Monitoring data information and data processing
4.1 Original record
The original record should be able to accurately record the value of the data, the effective number of digits and the related information generated, including sampling, transportation security
Information on storage, pre-processing, analysis methods, sample dilution or concentration multiples, measuring instruments and instruments, calibration, analysis, etc.
interest.
The original record indicates the dimension of the test result and its effective digits, which should be filled in with reference to the specific provisions in the analysis method. If not
Under this rule, only the last number in a data is allowed to be an estimated (suspicious) value. The number of significant digits depends on the
The measurement method, the accuracy of the equipment used and the content of the substance to be measured are determined. The volumetric method and the gravimetric method can have 4 significant digits.
Characters, spectrophotometry, atomic absorption method, gas chromatography, etc. usually only have 3 significant digits at most. When the substance to be tested contains
When the amount is low, there may be only 1 significant digit. Analytical instrument with computer processing, the number of digits for printing or displaying results
3d) Mean values of special items such as marine microorganisms (total number of bacteria, fecal coliforms, etc.) are expressed as geometric mean values,
The average values of other items such as chlorophyll a, plankton, benthic organisms and intertidal organisms are in the arithmetic mean table
For instructions, see HJ 442.6 related requirements;
e) When calculating the monitoring results, the data shall be rounded to the data with the least number of significant digits specified in the data participating in the calculation
The digits of are the same;
f) 4 or more monitoring data of the same normal distribution population, if the effective number of data participating in the calculation is inconsistent,
It is allowed to reserve 1 bit more than the minimum bit.
4.3.2 Calculation of the measured value of a single monitoring point (section)
The measured value of a single sea area monitoring point is calculated according to the average value of the parallel samples at each level of the sampling point to obtain each level.
Measured value, and then calculate the average value of measured value at different levels.
The measured value of a single monitoring section is the average of the measured values of each point.
Single sea area monitoring and river section measurement values are the basis for calculating regional, river basin and annual average values.
4.3.3 Calculation of the mean value of a single monitoring area (or watershed)
The average value of a single monitoring area (or watershed) is the arithmetic average of the measured values of each point or section.
4.3.4 Calculation of annual average value of points (sections)
The annual average of points (sections) is the arithmetic mean of the measured values of each single point (section) during the year.
4.3.5 Calculation of regional (watershed) annual average
The annual average of the area (watershed) is the arithmetic average of the annual average of each point (section).
5 Data review
5.1 Original records and data review
Monitoring data review is a comprehensive review of all monitoring information, focusing on the accuracy, precision, and accuracy of monitoring results.
Reasonability, consistency and traceability, including confirmation of sample collection, storage and transportation, handover, analysis methods, pre-processing,
The whole process of analysis and recording. The audit basis is environmental quality standards, pollutant discharge standards, method standards and monitoring
The relevant provisions of the specification.
The original records take effect after three-level review, and the person in charge of the analysis room shall follow the sample handover record, experimental record and self-check
Control results, etc., are reviewed for the accuracy and precision of the determination in the laboratory; quality control personnel through sampling, handover, analysis and
Analyze other control records for completeness, accuracy, precision, and traceability review of the whole process; the project leader is based on
The whole process from sampling to analysis, historical comparison (or sample source analysis) to monitor data integrity, rationality of results, and one
Consistency review.
5.2 Review of submitted data
The department responsible for data submission shall summarize all the original records in the process of generating monitoring data according to relevant monitoring submission requirements.
Records, including (but not limited to) monitoring implementation plan, sampling records, sample handover records, original analysis records, relevant quality
4 Control results and records and other relevant original materials and records. The relevant records and evaluation results after the summary are reported by the summary department in accordance with
A review of result entry or export is required. The submitted data is checked by the personnel of the summary department, reviewed by the head of the department and the unit
The person in charge approves.
5.3 Key points of data review
When reviewing data, relevant departments or units should review at least the following aspects.
a) The monitoring data integrity of the data report. check the sorted monitoring data volume against the monitoring plan.
Cover all monitoring points and monitoring items;
b) Consistency of monitoring information. review the monitoring point information against the original sampling record and monitoring plan to confirm
The collated monitoring data are the monitoring results of the corresponding monitoring points; compare the original records of sampling, transportation and preservation records
Record, transfer records and analyze the original records to check the sample information to confirm that the monitoring data is at the corresponding level,
The analysis result of the sample;
c) Monitoring date. Check the original sampling record to confirm the monitoring date and the original sampling record
The monitoring date is the same;
d) Report project name. review the project name against the monitoring plan to confirm that the monitored project complies with the monitoring
Program requirements;
e) Monitoring project unit. review the project unit against the original record of the analysis, confirm the project unit and the original analysis
The original record is consistent;
f) Analysis method and detection limit. compare the analysis method and detection limit of the monitoring unit and the monitoring specification to the analysis method
Check with the detection limit to confirm that the analysis method meets the requirements of the monitoring specification, and the detection limit listed in the undetected item
The laboratory detection limits are consistent;
g) Effective digits of data. Refer to HJ 168 and the adopted analysis method to check and verify the detection limit of each monitoring item
Valid digits of data, confirm that the last digit of valid digits of data is consistent with the last digit of valid digits of detection limit,
The number of valid data bits is consistent with the requirements;
h) Monitoring data range. check the monitoring data range against the detection limit to confirm the smallest monitoring among the submitted data
The data range is greater than the detection limit;
i) Exceeding standard data verification. to verify the evaluation data exceeding the standard, and the abnormally exceeding standard items of the main pollutants in the region
The data shall be verified with reference to the original records of sampling, transportation and preservation records, and the original records of analysis to confirm the monitoring
Cheng Wrong;
j) Data rationality. check the rationality of the data with reference to regional historical data and the theoretical value range of monitoring items
Yes, for suspicious data that clearly deviates from the historical concentration and total level and beyond the theoretical value range of the monitoring item
Questioned
k) Average calculation. If the average calculation is involved in the submitted data, it shall be calculated according to 4.3;
l) Evaluation results. If the submitted data involves evaluation or judgment of compliance, the evaluation shall be conducted in accordance with the relevant regulations of HJ 442.10;
m) Reporting format. The reporting format of the lower-level monitoring agency should meet the reporting format requirements determined by the higher-level monitoring agency.
56 Judgment and treatment of data audit problems
6.1 Data validity judgment
The validity of the monitoring data is complete through the original records of sampling, transportation, preservation, pre-processing, analysis and result calculation
And correctness. Among them, the person in charge of sampling and analysis determines the validity of the data through standard requirements and records;
The quality control personnel determine the validity of the data through the quality control measures implemented. Records that do not meet the requirements of the specification are judged as non-compliant
The grid or data is invalid, and the description in the record is incomplete or has errors. include.
a) Completeness of records of container, fixative and pre-bottling treatment. including cleaning and inspection of sampling equipment, fixative preparation
Wait;
b) Sampling record integrity. including inspection of sampling equipment and sampling container, sampling time (year, month, day, hour,
Points), sampling environment (location or location description of point or section, description of water environment or sewage discharge, water environment
The depth of sampling points in the environment, the distribution of sampling points in the water environment or the distribution of cross-section points, etc.), sample description (such as color, taste, etc.),
Records of collected sample volume and processing (collection volume, filtration and other processing, addition of fixative and quantity, etc.);
c) Integrity of transportation and preservation records. including sampling and preservation, transportation methods, handover and sample description, preservation and
Analyze the transfer time, the integrity of the storage container and the description of the sample, the transfer person, etc.;
d) The completeness of pre-processing, analysis and calculation records. including sample processing and analysis time, pre-processing methods, pre-processing
Preparation of processing reagents, description before and after sample processing, name of analysis method and standard number, when preparing standard solution
Time and validity period, standard solution calibration and result description, calibration curve drawing, calculation method, result (including
Including parallel samples, standard samples, standard samples/standard materials or quality control samples, method verification and confirmation, etc.), laboratory
Quality control reference standard or parallel double sample relative deviation table, laboratory personnel mutual inspection type identification error, analysis
Personnel review results, etc.;
e) The correctness of calculation and filling. including record completeness, calibration curve calculation and correctness of data calculation, fill in
The correctness of methods and correction methods, etc.;
f) Relevant quality control measures, records and effectiveness. including the complete implementation of quality control measures (self-control and other control) as required
Integrity, accuracy and precision of the results, whether the results are controlled, etc.
6.2 Handling of audit issues
According to the audit in 6.1, if unqualified data or doubts are found, feedback the relevant personnel in time, and pass the sampling and experiment
After review and confirmation of records, etc., correct or discard the data, provide relevant instructions, and re-review and
Report monitoring data.
Data judged to be calculated and filled in, corrected and re-reviewed and then reported to the monitoring data; such as data calculation and filling
The error is raised by the data summary unit. When the data is re-reported, a description of the reported data should be submitted with problems and solutions.
Measures.
The data judged to be invalid shall be within the valid time range, and the monitoring data shall be reported after supplementary monitoring and re-review.
Data; those that cannot be re-tested within the valid time frame shall be deemed untested, and the report shall be explained when submitting the reported data, with questions and solutions attached
Measures.
When a problem is found in trend judgment, the monitoring data judged to be effective, even if there is an abnormality, if no confirmation is found
It should not be discarded under all circumstances.
67 Data reporting
The monitoring data shall be submitted in accordance with the requirements of the submission time limit, transmission method and data format proposed by the monitoring organization unit. country
Refer to Appendix A Tables A.1 to A.6 for the commonly used data reporting format for environmental monitoring of coastal waters. Report when the organization monitoring unit changes
When formatting, the reporting format should be adjusted in time as required.
When data is submitted, monitoring information such as monitoring point (section) information, analysis method, detection limit, etc. shall be submitted at the same time as the data.
The data obtained after the undetected results participate in the average calculation, and the data less than the detection limit is expressed as undetected.
8 Data archiving
After the monitoring unit completes the data review, all records, data and documents related to the monitoring process shall be
Files are created in two forms.
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