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PUBLIC IC HEALTH SERI CES )0. C. <br /> s,�NJo,�Q��IN COUNTYz . <br /> JOG[KHANNA M.D..M.P.H <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) •Stockton, California 95201 q<i 0 b 0 <br /> (209) 468-3400 n <br /> AUG 2 1991 c�'�; "( <br /> BRAD KINCAID FRAHM U ll UUU <br /> P O BOX 30577 <br /> STOCKTON CA 95213 <br /> RE: Seibold Corporation IN REPLY REFER TO SITE CODE: 1010 <br /> 820 S. American <br /> Stockton, CA <br /> Public Health Services, Environmental Health Division, (PHS/EHD) <br /> has completed review of the underground storage tank file and the <br /> site mitigation file. The following comments are to be addressed <br /> 90 days from the date of this letter. <br /> 1. In the March 15, 1990, Canonie laboratory report, <br /> analysis of samples associated with the 8000 gallon <br /> regular-leaded underground storage tank and dispenser <br /> revealed lead and metal concentrations above the soluble <br /> threshold limit concentrations (STLC) . (Based on initial <br /> total threshold limit concentration results, Article 11, <br /> Section 66700 of California Code of Regulations, the <br /> following metals must undergo the Waste Extraction Test <br /> analysis: Arsenic, Barium, Chromium, Copper, Nickel and <br /> Vanadium. ) These levels exceeded STLC but were below <br /> total threshold limit concentrations (TTLC) given for the <br /> metals. Further sampling and analysis will be required <br /> to determine which portion of the concentrations of the <br /> above mentioned metals are soluble. Submit a work plan <br /> for the additional soil investigation. <br /> 2 . Manifests for the rinsate have not been submitted for the <br /> former underground storage tanks removed from the site. <br /> Please submit manifests. <br /> 3 . The FGL lab report dated August 14, 1990, did not include <br /> a chain of custody or a sampling map. Furthermore, <br /> within the lab report samples #2 and 13 were referenced <br /> but there was no reference with respect to sample #1. <br /> Please submit a chain of custody and information <br /> regarding sample #1. <br /> A Division of San Joaquin County Hralth Cave Services C�' <br />