1.0 Introduction Prairie Ronde Realty (PRR) prepared this Indoor Air and Sub-Slab Soil Gas Sampling Work Plan in response to a request from the U.S. Environmental Protection Agency (USEPA) Region …

Jul 30, 2018 · Vapor Intrusion Fundamentals 42 – Subslab Soil-Gas Sampling Author: Martin (Mort) Schmidt, CPG & Craig A. Cox, CPG The terms “subslab” or “sub-slab” soil gas refer to the air …

When choosing a laboratory for analysis of soil gas and/or indoor air samples, it is imperative that the laboratory selected be capable of obtaining reliable analytical detections of concentrations less than …

Overview Vapor Intrusion is the upward migration of contaminants, in vapor phase, into structures and occupied buildings from underlying contaminated ground water or soil. Evaluating this potential …

Jul 15, 2004 · 1.0 Introduction This appendix provides guidance on sampling and testing procedures to support vapor intrusion (VI) investigations and mitigation. It describes recommendations for collecting …

Detected compounds in all media were compared against both EPA and NJDEP screening levels to be conservative. In general indoor air screening levels are approximately 1/10th that of soil gas …

EXECUTIVE SUMMARY The intrusion of subsurface vapors into buildings is one of many exposure pathways to be considered in assessing the risk posed by releases of hazardous chemicals into the …

Sep 15, 2010 · NJDEP SRWM: List of Certified Laboratories -- To ensure you get the current list, we no longer publish the list here but direct you to the NJDEP Office of Quality ...

Screening for the vapor intrusion (VI) pathway must be conducted at every contaminated site in Wisconsin. The need to investigate VI is elevated when screening indicates the potential for VI is …

March 2020DRAFT JUNE 2024 The following guidance document represents an update to the May 2010March 2020 Ohio EPA document of the same title and supersedes any and all previous vapor …