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STATE OF CALIFORNIA—HEALTH AND WELFARE AGENCY DEPARTMENT OF HEALTH SERVICES TOXIC SUBSTANCES CONTROL DIVISION REGION 1 4250 POWER INN ROAD SACRAMENTO, CA 95826 (916) 739-3145 L. A. Michlin Lt. Commander, CEC, U.S. Navy Public Works Officer Naval Communications Station, Stockton Stockton, CA 95205-5000 Dear Commander Michlin: This letter expresses the Department of Health Services concern over the lack of progress at Building 810. Oil contaminated with PCBs leaked through the floor of Building 810 in April 1984. Since then, the Department has reviewed and commented on a sampling plan (November 1986) and a remedial action plan (August 1987). At the December 17, 1987 technical meeting a cleanup level (average concentration of 10 ppm, maximum concentration not to exceed 25 ppm) was proposed and subsequently approved. There has been no correspondence from the Navy regarding Building 810 since that meeting. The Department would like to see this cleanup concluded quickly. Please transmit the Navy's plan and schedule for final cleanup of Building 810 within 21 days of receipt of this letter. If this request is not heeded, the Department will be forced to consider taking action against the Naval Communications Station, Stockton. Should you have any questions you may contact Jim Pinasco of my staff at (916) 924-2154. Sincerely, David Wang P.E. Senior Waste Management Engineer cc: (See Page 2) GEORGE DEUKMEJIAN, Govrrnor � 04 k October 17, 1988 L. A. Michlin Lt. Commander, CEC, U.S. Navy Public Works Officer Naval Communications Station, Stockton Stockton, CA 95205-5000 Dear Commander Michlin: This letter expresses the Department of Health Services concern over the lack of progress at Building 810. Oil contaminated with PCBs leaked through the floor of Building 810 in April 1984. Since then, the Department has reviewed and commented on a sampling plan (November 1986) and a remedial action plan (August 1987). At the December 17, 1987 technical meeting a cleanup level (average concentration of 10 ppm, maximum concentration not to exceed 25 ppm) was proposed and subsequently approved. There has been no correspondence from the Navy regarding Building 810 since that meeting. The Department would like to see this cleanup concluded quickly. Please transmit the Navy's plan and schedule for final cleanup of Building 810 within 21 days of receipt of this letter. If this request is not heeded, the Department will be forced to consider taking action against the Naval Communications Station, Stockton. Should you have any questions you may contact Jim Pinasco of my staff at (916) 924-2154. Sincerely, David Wang P.E. Senior Waste Management Engineer cc: (See Page 2)