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July 3i0, 1991 <br /> Project Quarterly Update Report <br /> Page 11 <br /> 9110 Thornton Road, Stockton, California <br /> GROUNDWATER SAMPLING AND ANALYSES <br /> wells which contained enough <br /> Sampling of the operational groundwater monitoring wells (' e <br /> water to sample] was Performed ante during this reporting period on May 271 1991 Samples <br /> s SOPS 9, 10, 11, and 12 (Appendix <br /> were collected in accordance with Groundwat{i st purging water from each well using a clean <br /> B) Groundwater sampling was conducted by <br /> chloride {PVC) bailer Each well was purged of a minimum of four well <br /> hevolumes <br /> oa I wed to water <br /> polyvinyl c The groundwater wa <br /> by hand bailing, unless the wells could be purged dry lin The groundwater <br /> recover to at least So percent of the Anginal static water level Prior to sampAgency (EPA)-approved Teflon <br /> samples were obtained using a U S Environmental Prote <br /> sampler <br /> were collected from selected domestic wells three times during this reporting period <br /> Water samples w led are fisted in <br /> an April 29, May 27 and June 24, 1991 The domestic <br /> numbs h9 60 Sduring this quarter. as <br /> Table 2 No samples were Collected from domestic w <br /> directed by Southland <br /> TABLE 2 <br /> DOMESTIC WELL OWNERS <br /> OWNER <br /> WELL 4D ADDRESS <br /> 9036 Thornton Road Tomato Growers Assoc <br /> 9036 iTMG) Chan <br /> 1927 1927 Waudman Road Woods <br /> 1912 Waudman Avenue Jehovah Witnesses/ <br /> 1912 8968 Thornton Road <br /> 8968 Kingdom Hall <br /> Shimado <br /> 1 9140 9140 Connie Avenue Snyder <br /> 9156 9156 Connie Avenue Ivy Motel/Lang <br /> 9172 9172 Thornton Road <br /> ked containers, labeled. preserved, and stored on ice <br /> All samples were collected in laboratory-su Pp Manifest to a State of California-certified <br /> Samples were transported under Chain-of-Custody <br /> laboratory, <br /> GTEL Environmental Laboratories, Inc (GTEt_) in Concord, California Each sample was <br /> analyzed for benzene, toluene, ethylbenzene, and xylenes (BTEX), and for <br /> total petroleum <br /> hydrocarbons (TPH)-as-gasoline using modified EPA Methods 503 <br /> 8016 <br /> �< <br /> J J � GROUNDWATER <br /> �[� 'TECHNOLOGY,INC <br />