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Thursday, July 23, 2020 | History

2 edition of Soil-gas measurement for detection of subsurface organic contamination found in the catalog.

Soil-gas measurement for detection of subsurface organic contamination

Henry B. Kerfoot

Soil-gas measurement for detection of subsurface organic contamination

by Henry B. Kerfoot

  • 66 Want to read
  • 28 Currently reading

Published by U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory in Las Vegas, NV .
Written in English

    Subjects:
  • Soil air -- Measurement.,
  • Pollution -- Measurement.

  • Edition Notes

    Other titlesSoil gas measurement for detection of subsurface organic contamination.
    StatementHenry B. Kerfoot and Larry J. Barrows.
    ContributionsBarrows, Larry J., Environmental Monitoring Systems Laboratory (Las Vegas, Nev.)
    The Physical Object
    Pagination6 p. :
    ID Numbers
    Open LibraryOL15338935M

    The sensing of soil gas for detection and mapping of volatile organics is a relatively new technique that deserves greater attention. Soil organic vapor monitoring has been shown to be a cost effective means of delineating the size and movement of organic contaminants in the subsurface. Soil Gas Sampling Effective Date: February 7, Page 1 of Uncontrolled. field log book, along with a description of the circumstances requiring its use. Mention of trade names As most current soil gas sampling will be conducted to investigate the presence or extent of organic compounds (not including PFAS compounds), Teflon.

    Innovative Sampling Methods for Focusing the Sub-Slab Soil-Gas Investigation Cox-Colvin & Associates, Inc. August 3, Page 4 Soil samples were subsequently collected via Geoprobe® from areas of highly contaminated soil-gas to verify the presence of VOC sources and to provide data on soil properties for the subsequent remediation. Key to Obtaining Sources of EPA Test Methods. 40 CFR Title 40 Code of Federal Regulations in 24+ volumes, Soil-Gas Measurement for Detection of Subsurface Organic Contamination. March (NTIS / PB) Soil Gas Sensing for Detection and Mapping of Volatile Organics. August (NTIS / PB/AS).

    volatile organic compounds (VOCs), which can pose a health risk via subsurface vapour intrusion to indoor air (vapour intrusion) and this is often calculated to be the dominant exposure pathway for building occupants over VOC contaminated sites (e.g. CLEA model, ). . Both tree coring and soil gas measurements were used for rapid initial detection of contaminants in the subsurface. A comparison of BTEX in tree cores with the concentrations of gases in soil (CH 4, CO 2, O 2, H 2 S, and PID measurement) collected at the same sampling points indicates high rank correlations between the two methods (Table 1).Cited by: 8.


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Soil-gas measurement for detection of subsurface organic contamination by Henry B. Kerfoot Download PDF EPUB FB2

Get this from a library. Soil-gas measurement for detection of subsurface organic contamination. [Henry B Kerfoot; Larry J Barrows; Environmental Monitoring Systems Laboratory (Las Vegas, Nev.)]. The complete report, entitled "Soil-Gas and Geophysical Techniques for Detection of Subsurface Organic Contamination," (Order No.

PB AS; Cost: $, subject to change) will be available only from: National Technical Information Service Port Royal Road Springfield, VA Telephone: The EPA Project Officer can. Dallas Wait Murphy, Charles Ramsey, in Introduction to Environmental Forensics (Second Edition), Soil Gas.

Soil gas measurements are suited to identifying contaminants and sources. Soil gas surveys provide a screening method for detecting volatile compounds so that subsequent investigative activities can be focused with the highest probability of contaminant detection (Marrin and.

Spatial resolution of groundwater contamination by soil-gas measurement. Chemometrics and Intelligent Laboratory Systems, 3: An empirical determination of the spatial resolution of soil-gas measurement in detection of subsurface contamination by Author: H.B.

Kerfoot, M.J. Miah. Soil-gas surveying is an emerging technology for detection of subsurface contamination through the use of near-surface techniques. The techniques of soil-gas surveying are based on the measurement of volatile organic compounds (VOCs) in soil gas to detect contamination in the ground water below.

Ten peer-reviewed papers cover. Use of Continuous Monitoring in Detection and Prediction of Worst Case Risk Parameters—demonstrates how continuous monitoring significantly improves detection and prediction of ground gas regime.

Automated Continuous Monitoring and Observation of Dynamic Subsurface Vapor Contaminant Concentrations—discusses a network of real-time continuous soil.

A comparison of direct measurement and model simulation of total flux of volatile organic compounds from the subsurface to the atmosphere under natural field conditions Fred D. Tillman Water Resources Research 39 (10),Cited by: U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory Publisher - works / 0 ebooks Soil-gas measurement for detection of subsurface organic contamination Henry B.

Kerfoot Read. Soil-gas measurement for detection of subsurface organic contamination Henry B. Soil-gas surveying is a technique that is applicable to a wide range of volatile organic compounds (VOCs) and other contaminants under a variety of geologic and hydrologic settings. This paper presents the results of the use of soil-gas surveys for evaluation of the magnitude and lateral extent of a BTEX contamination at a former gas plant in Cited by: 4.

The field screening of soil gas CO[sub 2] and O[sub 2] using portable instruments is shown to be useful for indirectly detecting and delineating subsurface gasoline contamination. Shallow. The study investigated the source and movement of carbon dioxide above a plume of organic solvent contamination.

Two soil gas monitor wells, each screened and grouted at four discrete depths above. There have been many methods to monitoring the pipelines such as optic sensing [1] [3], airflow detection [4], mass balance, pressure and flow measurement [5][8], magnetic induction detection [7.

Technical and Regulatory Guidance for Using Polyethylene Diffusion Bag Samplers to Monitor Volatile Organic Compounds in Groundwater Interstate Technology & Regulatory Council (ITRC). DSP-3, 78 pp, User's Guide to the Collection and Analysis of Tree Cores to Assess the Distribution of Subsurface Volatile Organic Compounds D.A.

Vroblesky. Passive soil gas samplers are a minimally invasive, easy-to-use technique in the field for identifying VOCs and SVOCs in the vadose zone.

Similar to active soil gas and other field screening techniques, the simplicity and low cost of passive samplers enables them to be applied in large numbers, facilitating detailed mapping of contamination across a site, for the purpose of identifying. Henry B. Kerfoot has written: 'The use of industrial hygiene samplers for soil-gas measurement' -- subject(s): Soil pollution, Measurement 'Soil-gas measurement for detection of subsurface organic.

Contamination of soil from petroleum spills is an ongoing problem that threatens to adversely affect the environment and the health of the people in it, so rapid testing of sites is a pressing issue. Drill soil borings to 5 feet below the water table or, if contamination extends below the water table, to 10 feet below the deepest measurable contamination, whichever is deeper.

If the water table is very deep and you have drilled 10 feet below the deepest measurable contamination in the unsaturated zone, discontinue Size: KB. Kerfoot, H. “Soil-gas measurement for detection of groundwater contamination by volatile organic compounds.” Environmental Science and Technology, 21, – CrossRef Google ScholarCited by: 5.

The four categories of information important for source zone characterization are (1) the nature and presence of the source material, whether it be a DNAPL or chemical explosives, (2) the hydrogeologic setting, (3) source zone delineation, including geometry, distribution, migration, and dissolution rate in the subsurface, and (4) the biogeochemical environment of the site.

In this paper we present a partitioning interwell tracer test (PITT) technique for the detection, estimation, and remediation performance assessment of the subsurface contaminated by nonaqueous phase liquids (NAPLs).

We demonstrate the effectiveness of this technique by. Common Organic Compounds The Advisory – Active Soil Gas Investigations (ASGI or Advisory) provides technically collected following the detection of subsurface contamination by the passive method. Advantages of the passive soil gas methods are: 1) Provides a time-integrated measurement, which reduces uncertainty due to.Sub-slab soil gas data is one line of evidence commonly used to determine the potential for subsurface vapor intrusion into an overlying building at a site.

At a former housing area at Moffett Field, California, EPA Region 9 staff sampled and analyzed trichloroethene (TCE) data from multiple sub-slab probes installed in each of eight.Soil-gas measurement for detection of subsurface organic contamination [microform] / Henry B.

Kerfoot a A brief discovery of the false churches [electronic resource]: wherein the rights of the Christian churc The examinations of Henry Barrowe Iohn Grenewood and Iohn Penrie, before the high commissioners, and Lor.