Page 11 of the PAERAB's Spring 2011 Community Update Newsletter

Text Box: As stated above the ITRC provides on its own website several very useful and informative, Adobe format, PDF electronic reference files for easy access. Among these is the ITRC’s Technical and Regulatory Guidance—Vapor Intrusion: A Practical Guideline, dated January of 2007. This particular document, amongst other vapor intrusion documents, can be accessed at the following internet location: http://www.itrcweb.org/guidance document.asp?TID=49

Text Box: In this article are provided, brief but hopefully useful, excerpts of pertinent and informative sections of that 172 page document that effectively introduce the reader to the concept of vapor intrusion. Certain portions of text are emphasized by this author with bold and/or italicized text to facilitate review. On Page 11... “Vapor intrusion is the migration of volatile chemicals from the subsurface into overlying buildings (USEPA 2002b). Volatile chemicals may include

Text Box: volatile organic compounds, select semivolatile organic compounds, and some inorganic analytes, such as elemental mercury and hydrogen sulfide. Methane should be considered where it is appropriate”. “For more than a decade, environmental scientists and risk assessors viewed contaminated groundwater as a threat principally to the drinking water supply. As long as individuals didn’t drink the water, the risk of exposure to the contamination was believed eliminated. It

ITRC Vapor intrusion intro by Michael glaab

CONTINUED ON P. 12

The Interstate Technology & Regulatory Council (ITRC) states on its website that it is “a coalition of state environmental regulators working with federal partners, industry, and stakeholders to advance innovative environmental decision making.” Its website is at the following location:

http://www.itrcweb.org/aboutITRC.asp

Apparently the ITRC includes all of the USA’s 50 states, the District of Columbia, and it exists primarily to promote the consideration and use of diverse technologies and methodologies intended to address a wide variety of environmental issues.

The ITRC assists those individual state agencies, bureaus and departments which are concerned with environmental protection. Specifically, the ITRC prepares guidance documents and

training courses intended to

Interstate Technology & Regulatory Council by Michael glaab

instruct and guide regulators and environmental consultants. However, the ITRC also provides instruction to community stakeholders such as community members of technical review committees and restoration advisory boards.

In accordance with its avowed mission the ITRC provides both internet based and conventional classroom instruction in various environmental remediation and cleaning topics. Much, if not most, of its internet based instruction is free and available to the public at the following internet location:

http://www.itrcweb.org/ibt.asp

According the ITRC’s website its internet based courses are hosted on the Technology Innovation and Field Services Division (TIFSD) servers of the USEPA. Electronic archives of its training sessions

are maintained for convenient

public access at the following location:

http://cluin.org/live/archive/

The ITRC also provides classroom instruction in various topics, around the nation, at diverse locations. You can find additional specific information about classroom instruction at the following website location:

http://www.itrcweb.org/crt.asp

In addition, the ITRC provides several useful and informative Adobe format PDF electronic files for reference. These guidance documents are available to the public at no cost on its website at the following location:

http://www.itrcweb.org/gd.asp

Information about potentially relevant ITRC instruction courses has been included by the board’s TAPP Consultant in this newsletter since its first issues. Such information is also routinely provided on the PAERAB’s website at the following location:

http://www.paerab.us/Home/PAERAB_Upcoming_Events.htm