ACAT FOIA Repository 25

F10AK069603_05.08_0007_a1200C PERMCarey CossaboomSeptember 14,200727. Page 16, Groundwater: Was the 1997 sampling event sampled for VOCs as it was in 1996?Please reference the reports where all the analyses not listed in Table 2 can be found.8. Page 18, Risk Summary: At the end of the second sentence after "10,250 mg/kg," pleaseadd "although some soil contains DRO above the 230 mg/kg migration to groundwatercleanup level, the soil does not pose an unacceptable risk to human ...." And merge with thenext sentence. In this sentence replace "DRO contamination is de-minimus" with "small".9. Page 18, last paragraph: In the sentence that starts with "Site 5", please replace "potential"with "unacceptable".10. Page 19, Last paragraph of Section 5.0: In the second sentence, after 1 x lOE5, add "forcarcinogenic risk and 1.0 for a hazard index".11. Page 19, Section 6.0: Please change the first sentence to The Corps of Engineersdetermines No Further Action is appropriate for the Site 5 Tramway.12. Page 20, State Acceptance: In the last sentence delete "previously undiscovered".13. Page 20, State Acceptance: Please add the paragraph, "Site 5 will be listed as ConditionallyClosed in the DEC ContaminatedSifes Database. Soil that contains DRO at concentrationsabove the migration to groundwater cleanup level (230 mg/kg DRO) should not be movedoff-site without prior DEC approval".If you have any questions regarding this letter, please contact me at 269-3053.. Sincerely,Jeff BrownleeEnvironmental Program Specialist