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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord California 94520 <br /> (510) 686-9600 • FAX (510) 686-9689 <br /> A&M-West (Walnut Creek) Client Project lD x#1572 04 ed Apr 3, 1992 <br /> NOV Boteiho Or Suite 260 Matrix Descrlpt Water Received Apr 3, 1992 <br /> Walnut Creek, CA 94596 Analysis Method EPA 3510/8015 Extracted Apr 10, 1992 <br /> Attention Bruce Pfasf First Sample # 204-0108 Analyzed Apr 16, 1992 <br /> Reported Apr 22. 1992 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS (EPA 8015) <br />' Sample Sample High B P. <br /> Number Description Hydrocarbons <br />' ug/L <br /> (Ppb) <br /> 204-0108 MW-1A 2,800 <br /> 204-0109 MW-3A N D <br /> 204-0111 MW-4A N D <br /> 1 <br /> 1 <br /> 1 <br /> Detection Limits: 50 <br />' High Boding Point Hydrocarbons are quantitated against a diesel fuel standard <br /> Analytes reported as N 0 were not present above the stated limit of detection <br />' EOUOIA ANALYTICAL <br /> I— `-' <br /> Kenneth K F Lee 20401oa ERM <37 <br />' Laboratory Manager <br />