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GB/T 36198-2018: Soil quality -- Guidance on sampling of soil gas
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GB/T 36198-2018: Soil quality -- Guidance on sampling of soil gas

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Soil Quality Soil Gas Sampling Guide) ICS 13.080 B10 National Standards of People's Republic of China Soil quality soil gas sampling guide (ISO 10381-7.2005, Soilquality-Sampling- Part 7.Guidanceonsamplingofsoilgas, IDT) Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Basic points to consider 3 5 persistent gas 4 5.1 Purpose of the investigation 4 5.2 Basic Principles 4 5.3 General considerations for sampling 5 5.4 Persistent gas sampling requirements 5 5.5 Technical device 7 5.6 Sampling Planning 8 5.7 Sampling 8 5.8 Sample storage and transportation for laboratory analysis 9 5.9 Sampling Report 9 5.10 Quality Assurance 10 5.11 Interference 11 6 Volatile Organic Compounds (VOC) 12 6.1 Purpose 12 6.2 Basic Principles 12 6.3 General considerations for sampling 12 6.4 Sampling requirements 13 6.5 Technical equipment 15 6.6 Sampling Planning 16 6.7 VOC sampling 16 6.8 Sample storage and transport for laboratory analysis 18 6.9 Sampling Report 18 6.10 Quality Assurance 18 6.11 Interference 19 6.12 Interpretation of VOC analysis of soil gas 20 Appendix A (informative) Sampling Guidelines 21 Appendix B (informative) Anaerobic degradation and formation of methane and carbon dioxide 23 Appendix C (informative) Soil Gas Survey Strategy 25 Appendix D (informative) Equipment for measuring gas flow rate 27 Appendix E (informative) Portable instrument for determining the concentration of persistent gases 28 Reference 30

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 10381-7.2005 Soil Quality Sampling Part 7. Soil Gas Sampling Guide. For ease of use, this standard makes the following editorial changes. --- Change the standard name to the Soil Quality Soil Gas Sampling Guide. This standard was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic This standard is under the jurisdiction of the National Soil Quality Standardization Technical Committee (SAC/TC404). This standard was drafted. Nanjing Normal University, Nanjing Institute of Soil Science, Chinese Academy of Sciences, Jiangsu Institute of Quality and Standardization. The main drafters of this standard. Cai Zucong, Zhu Tongbin, Zhang Shu, Duanqiang. Soil quality soil gas sampling guide

1 Scope

This standard gives guidelines for sampling soil gases. This standard does not apply to soil gas determination, atmospheric gas sampling or passive sampling into the atmosphere.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 10381-1 Soil quality sampling Part 1. Design guide for sampling procedures (Soilquality-Sampling-Part 1. Guidanceonthedesignofsamplingprogrammers) ISO 10381-2 Soil quality sampling Part 2. Sampling technical guide (Soilquality-Sampling-Part 2.Guid- Anceonsamplingtechniques) ISO 10381-3 Soil quality sampling - Part 3. Safety guide (Soilquality-Sampling-Part 3. Guidance Onsafety) ISO 11074-1 Soil quality vocabulary Part 1. Terms and definitions for soil protection and pollution (Soilquality-Vo- cabulary-Part 1.Termsanddefinitionsrelatingtotheprotectionandpolutionofthesoil) ISO 11074-2 Soil quality vocabulary Part 2. Terms and definitions for sampling (Soilquality-Vocabulary- Part 2.Termsanddefinitionsrelatingtothesampling)

3 Terms and definitions

The following terms and definitions defined by ISO 11074-1 and ISO 11074-2 apply to this document. 3.1 Active soil gas sampling activesoil-gassampling A certain volume of soil gas is extracted for sampling. 3.2 Biodegradable biodegradation The physical and chemical decomposition of matter by living organisms, mainly bacteria and fungi. 3.3 Drilling borehole Holes are formed in the soil or landfill that can be used to install standpipes for gas monitoring. Note. Drilling can also be used for other discharges or extractions. 3.4 Enrichment/adsorption method concentration/adsorption method The method in which the substance to be tested is adsorbed and concentrated by an adsorbent such as activated carbon or XAD-4 resin, followed by desorption and analysis. 3.5 Dead volume deadvolume The volume present between the soil gas detector extraction port and the sampling bottle, including the volume of the sampling bottle or adsorption tube. ...