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i Environmental Laboratories 42501 Albrae Street ARJCSMA Working to Restore Nature Fremont, CA 94538 ANALYSIS REPORT Phone (510) 623-0775 (800) 247-5223 FAX (� ]0) 651,8754 10W[abhm AttentlOn: Ms. Tina LePage Date Sampled: 01-08-92 RESNA/Water Work Date Received: 01-10-92 1710 Main Street BTEX Analyzed: 01-13-92 Escalon, CA 95320 TPHg Analyzed: 01-13-92 Project: AGS 19509-1, Project #381 TPHd Analyzed: 01-13-92 Corrigan, Stockton Matrix: Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd PA lb p9h p9h PA DO Detection limit: 0.5 0.5 OS 0.5 50 100 SAMPLE Laboratory Identification CP MW -1 ND ND ND ND ND - ND W1MMI CP MW -2 ND ND ND ND ND ND W1201222 CP NM ND ND ND ND ND ND W1201223 ppb = parts per billion = ug/L = micrograms per liter ND = Not detected Compound(s) may be present at concentrations below the detection limit. NR = Analysis not requested. ANALYTICAL PROCEDURES i BTEX-- Benzene, toluene, ethylbenzene, and total xylene isomers (BTEX) are measured by extraction using EPA Method 5030 followed by analysts using EPA Method 8020/602, which utilizes a gas chromatograph (GC) equipped with a phototontzation detector (PED) and a flame-tontzatton detector (FID) in series TPAg--Total petroleum hydrocarbons as gasoline (low-to-medium boiling points) are measured by extraction using EPA Method 5030, followed by analysis using modified EPA Method 8015, which utilizes a GC equipped with an FID TPHd—Total petroleum hydrocarbons as diesel (high boiling points) are measured by extraction using EPA Method 3550 for Mils and EPA Method 3510 forewater, followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID —_ _ l/1 /--- January 16, 195 Laboratory Representative Date Reported RESNA Environmental Laboratory IS CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT' OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No 1211)