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MATRIX ENVIRONMENTAL LABORATORIES <br /> 3017 KILGORE ROAD#100 RANCHO CORDOVA,CA 95742 PHONE(916) 635-3962 FAX(916) 635-9331 <br /> 1 ANALYSIS. TPH-GASOLINE by EPA 5030 PURGE-AND-TRAP <br /> ' CLIENT Helmick& Lerner, Inc. <br /> CONTACT D. Nakamoto Date Sampled 3/31/94 <br /> COC No 4387 Date Received 3131194 <br /> Project No HLI 10101 Date Extracted NIA <br /> Matrix. WATER Date of Analysis 4/3/94 <br /> 1 <br /> REPORTING SURROGATE <br /> ' GASOLINE LIMIT RECOVERY <br /> ug/L ug/L <br /> Lab ID Sample ID (ppb) (ppb) <br /> N/A Method Blank ND 50 93% <br /> ' 1267 940736 ND 50 90% <br /> 1273 940742 ND 50 90% <br /> 1279 940748 ND 50 95% <br /> ' 1283 940752 ND 50 96% <br /> NOTE (ND)NOT DETECTED AT OR ABOVE THE REPORTING LIMITS <br />