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Tuesday, May 12, 2020 | History

2 edition of Additional soil gas sampling procedures found in the catalog.

Additional soil gas sampling procedures

P. Piersol

Additional soil gas sampling procedures

by P. Piersol

  • 366 Want to read
  • 38 Currently reading

Published by Canada Mortgage and Housing Corporation in Ottawa .
Written in English

    Subjects:
  • Soil air -- Measurement.,
  • Indoor air pollution -- Measurement.,
  • Soil air -- Analysis.

  • Edition Notes

    Statementby P. Piersol and M. Lawton and Gartner Lee Limited.
    ContributionsLawton, M., Gartner Lee Associates., Canada Mortgage and Housing Corporation.
    The Physical Object
    Pagination27 p. :
    Number of Pages27
    ID Numbers
    Open LibraryOL21163007M

    effort necessary to execute the soil gas investigation. The Work Plan de-tailed the sampling locations, method of sample collection, analytical methods, QA/QC procedures and sampling handling procedures which would be used for the investigation. The Work Plan was approved by the COE prior to com-mencing the soil gas Size: 8MB. Soil Gas Samplers. Original GVP Kit; Dedicated Gas Vapor Probe Tip; Retract-A-Tip Gas Vapor Probe Tip; Gas Vapor Probe Kits; Heavy-Duty Gas Vapor Probe Kits; Sub-Slab Gas Vapor Probe Kits; Gas Vapor Implant Drive Kit; Gas Vapor Implants; Sludge and Sediment Samplers. Sludge and Sediment Samplers; Sludge and Sediment Sampling Kits; Russian Peat.

    Modified Active Gas Sampling (MAGS) is an environmental engineering assessment technique which rapidly detects unsaturated soil source areas impacted by volatile organic technique was developed by HSA Engineers & Scientists in Fort Myers, Florida in , led by Richard Lewis, Steven Folsom, and Brian Moore. It is being used all over the United States, and has been adopted by . Soil-gas sampling results can be dependent on numerous factors both within and outside the control of the sampling personnel. Key variables are identified and briefly discussed below. Please see the documents listed in the Bibliography for more detailed information on the effect of various variables.

    Soil Gas Sampling. Soil gas samples should be collected in areas above where volatile chemical contamination in the soil or groundwater has been identified. Soil gas samples must be collected from a depth at least three feet below the ground surface or building foundation, but above the saturated zone. This practice may increase the awareness of a fundamental difference between soil gas sampling for the purpose of soil gas surveys versus sub-slab or vapor intrusion investigations or both. Specifically, the purpose of a soil gas survey is to provide quick and inexpensive data to the investigator that will allow the investigator to 1) develop a site investigation plan that is strategic in.


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Additional soil gas sampling procedures by P. Piersol Download PDF EPUB FB2

The tubing used as part of either of the described sampling systems should be Teflon® or stainless steel. As most current soil gas sampling will be conducted to investigate the presence or extent of organic compounds (not including PFAS compounds), Teflon® tubing is.

VOCs and SVOCs) and other gases (e.g., oxygen and carbon dioxide). For the purpose of this SOP soil vapour and soil gas are considered interchangeable.

This SOP includes procedures to complete pre-sample tests of the sample probe or well and sampling train. re-testing is P carried out as a series of quality control (QC) checks comprised of flow, vacuum and leak tests. Sample Collection. Recommended approach for evaluating the vapor intrusion pathway using soil gas sampling.

Soil gas samples may be collected to evaluate the potential for vapor intrusion into enclosed structures. Soil gas sampling should follow the model screening procedure when determining if a volatile compound is a concern at a site. If vapor intrusion associated with subsurface contamination appears to be a concern based on a comparison of soil File Size: KB.

When a vacuum pump is used, collect samples on the intake side to prevent potential contamination from the internal parts Additional soil gas sampling procedures book the pump. To collect the sample in a polymer gas sampling bag, a lung box7is required. Record the vacuum readings and corresponding flow rates on field data sheets for each Size: 1MB.

For sites requiring conventional TO summa canister samples for soil gas collection, Eurofins can provide additional sampling equipment to assist with purging lines prior to collection, conducting leak checks on the train, monitoring vacuum at the extraction probe and performing an equipment train blank.

Data obtained with the PDS seems to be less biased. Passive sampling approaches may provide a viable option for obtaining representative soil gas samples. For active sampling, short screen lengths, smaller sample volumes and low intake velocity are recommended. Part D1 – Soil Sampling and Investigations British Columbia Field Sampling Manual i Table of Contents 1 Soil Sampling 5 Introduction 5 Conceptual Site Models 6 Identification of Soil Sampling Objectives 6 Sample Planning and Design 7 Soil.

soil gas monitoring may be used preliminarily to assist in planning a quantitative soil gas sampling event. Given measured impacts to soil and/or groundwater by VOCs, soil gas sampling is often used to evaluate whether such impacts represent a concern relative to the vapor-intrusion-to-indoor-air Size: KB.

As most soil gas sampling will be conducted to investigate the presence or extent of organic compounds, Teflon® tubing is required to ensure the integrity of sample. The soil gas sample is drawn into the canister by pressure equilibration. The approximate sampling time for a 6-L canister is 20 minutes.

Sample number, sample location, date collected and work assignment number must be recorded on a chain of custody form and on File Size: KB. depth information on issues associated with soil gas sampling and data interpretation as applied to methods of soil gas analysis.

Section discusses interpretation of soil gas data. Appendix A Additional Considerations to Increase Confidence in Data Sets and the Interpretation of Soil-Gas.

Soil Gas Sampling and Monitoring Page 4 of 32 Geoprobe Systems® Section Data Quality Objectives (DQOs) and Selection of Sampling Methods As mentioned previously, the data quality objectives will determine how samples are obtained in the field and Size: 1MB.

Soil Gas Sampling Soil Gas Sampling()_AF.R3 Effective Date: 2 Special Sampling Considerations Special Considerations for Sampling The tubing used as part of either of the described sampling systems should be Teflon® or stainless steel.

As most soil gas sampling will be conducted to investigate the presence or. A gas sampling publication from the Gas Processors Association (GPA ) states, “The object of any sampling procedure is to obtain a representative sample of the hydrocarbon from the system under investigation. Any subsequent analysis of the sample, regardless of the test, is inaccurate unless a representative sample isFile Size: KB.

Soil-gas sampling measures the gas contained in the interstitial spaces of the soil, as opposed to directly sampling the soil matrix, above the water table.

Active soil-gas collection methods (as opposed to passive soil-gas sampling) involve ÒpullingÓ a vapor sample from a temporary or permanent probe inserted in the soil into a collection. this demonstration, the active soil gas sampling method was procured at a lump sum of $4, for each site.

The oversight costs for the active soil gas sampling method ranged from $ to $1, at the clay soil site and $ to $ at the sandy soil site. A site-specific cost and performance analysis is recommended when selecting a subsurface. Easily and economically sample soil gas vapors at shallow depths for preliminary testing.

The AMS "original" gas vapor probe can take vapor samples in soils to depths of 12' depending on soil conditions. This kit is an excellent choice for shallow gas vapor sampling in soft soil. methodologies are applied during soil gas investigations to produce reliable and defensible data of high quality.

All sampling probe installation, sampling, and analytical procedures, whether or not discussed below, are subject to Agency review and approval. Project Management Soil Gas Sampling Probe Installation Purge Volume Test 2.

methods to evaluate the VI pathway, including a receptor survey, soil gas sampling, sub-slab sampling, and indoor air sampling. For additional background information, see Technical Guide For Addressing Petroleum Vapor Intrusion At Leaking Underground Storage Tank Sites (EPA ) and Petroleum Vapor IntrusionFile Size: KB.

and the sandy soil site. For this demonstration, the active soil gas sampling method was procured at a lump sum of $4, per site for the collection and analysis of 40 soil gas samples at each site. Oversight costs for the active soil gas sampling method ranged from $ to $1, at the clay soil site and $ to $ at the sandy soil Size: 1MB.

II. Soil sampling procedures. A. Soil sampling - site characterization for investigation purposes. 1. Minimize the possibility of cross -contamination by using disposable sampling equipment that is certified as clean for each sample collected.

If disposable sampling tools are not available, specify the cleaning procedures used.Part 4 - Updates on Soil-Gas Collection and Analytical Procedures by Blayne Hartman. Since I wrote Part 3 of this "Collecting Reliable Soil-Gas Data" series in LUSTLine #48, Novthe subject of vapor intrusion has continued to be a "box-office blockbuster" throughout the environmental community.Advisory – Active Soil Gas Investigations (ASGI) For additional information, see Appendix B.

Soil gas sampling tips come in a variety of styles depending on the application. Tips should allow subsurface vapors to enter the sampling system with little or no restriction. Prior to sampling, an assembled soil gas probe, tip and tubing should beFile Size: KB.