Guidance Contributed To

  • 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