RECEVEDCLERKtS OFFICEJAN 15 2009IN THE MATTER OF:PROPOSED AMENDMENTS TOTIERED APPROACH TO CORRECTIVEACTION OBJECTIVES(35 Iii.
Magyar requested that the Illinois EPA provide its rationale for
assuming the value ofQ 50 i being zero at a distance greater than five feet.
1
The five foot setback and83.33cm /sec values are from USEPA’s Users Guidefor Evaluating Subsuiface Vapor Intrusion Into Buildings (EPA!68/W-02/33, February2004).
Questions of Gail Artrip, P.E (Carison Environmental)
Question 1) If I have soil and ground water issues on my site, in addition toevaluating indoor inhalation on my site as per the proposed TACO ru...
Allowed
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