- ITRC Petroleum Vapor Intrusion Guidance, 2014
- Australia Vapor Intrusion Guidance, 2013
- Louisiana Vapor Intrusion Guidance, 2013
- CA Leaking Underground Fuel Tanks (LUFT) Manual, 2012
- EPA-OUST Vapor Intrusion Guidance, 2012
- Hawaii DOH Vapor Intrusion Guidance, 2012
- Michigan DEQ Vapor Intrusion Guidance, 2012
- San Diego County Dept. Env. Health Soil Gas Collection Guidance, 2011
- CA-EPA (DTSC) Soil Gas Collection Guidance, 2011 & 2003
- ASTM Vapor Intrusion Standard, March 2008
- ITRC Vapor Intrusion Guidance, February 2007
- States of CA, MO, MI, TN, AZ, NY, NJ, KS, IN, WA, NH, WI, AK, OH
- San Diego County Building Dept. Methane Testing Ordinance, 2001
- EPA OUST Site Assessment Manual, 1997
- LA-RWQCB Soil Gas Analytical Guidance, 1997-1992