FRANK H. MURKOWSKI, GOVERNORDEPT. OF ENVIRONMENTAL CONSERVATIONDIVISION OF SPILL PREVENTION AND RESPONSECONTAMINATED SITES REMEDIATION PROGRAM555 Cordova StreetAnchorage, AK. 99501-2617Phone: (907) 269-3053Fax: (907) 269-7649http://www.dec.state.ak.usFile #660.38.006October 10, 2005Mr. Carey CossaboomU.S. Anny Engineer District, AlaskaMail Code CEPOA-PM-PP.O. Box 6898Elmendorf AFB, Alaska 99506-6898RE:Alaska Department of Environmental Conservation Comments on the Gambell 2005 Remedial ActionWorkplanDear Carey:I have completed review of the documents titled USACE, Alaska District, Gambell FUDS Remedial Action,Contract No. W91IKB-05-P-OI03 Work Plan Revision 0 (July 2005). We received the workplans on September 1,2005. The workplans meets the requirements of 18 AAC 75.335 and are approved.I have a couple specific comments on the documents:1.2.3.4.In Sections 3.3 - 3.6 of the Sampling Plan, please reference Table 3.5, which specifies the analytes to betested.Section 3.9.1, SAP: Ifa single sample is used to characterize a soil waste stream it should be compositedfrom several discrete locations.Section 3.9.2, SAP: If there is no odor or sheen associated with the purge water, please discharge to theground surface at Site 5. The site is historically clean with the exception of one sample that was at theTable C cleanup level. If a granulated carbon filter is available the purge water can be run through thatjust to be conservative.Appendix B: Please note I don't need to see the instrument users manual if you want to decrease the sizeof the documents.Please note DEC review and concurrence on this workplan is to ensure that the work is done in accordance with Stateof Alaska environmental conservation laws and regulations. While DEC may comment on other state and federal lawsand regulations, our concurrence on the plan does not relieve responsible persons from the need to comply with otherapplicable laws and regulations, for example the DOT&PF restrictions involving work near the airstrip.If you have any questions, please call me at (907) 269-3053.Sincerely,Environmental Specialistcc:Mr. Steven A. Johnson, Bristol Environmental, Anchorage200-1fF10AK069601 _07.01_0002_aG:\sPAR\sPAR-CS\38 Case Files (Contaminated Sites)\660.38.006 Gambell\GambeI12005 RA wp comment letter.doc200-1fF10AK069603_07.01_0002_aoPrinted nn Recycled Parer