Laserfiche WebLink
Trace Analysis Laboratory,Inc. Telephone (510) 783-6960 <br /> 3423 Investment Boulevard #8 • Hayward, California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBLK: 1658 <br /> DATE SAMPLED: 01/10/92 <br /> = = DATE RECEIVED: 01/13/92 <br /> DATE ANALYZED: 01/16/92 <br /> DATE REPORTED: 01/27/92 <br /> CUSTOMER Conoco, Inc. <br /> REQUESTER: Joe DeBiaso <br /> PROJECT. No 400511-M, Conoco, Stockton <br /> Sample Type Air <br /> I-1 Method Blank <br /> Method and Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit <br /> Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 13,000 170 8 9 0.34 <br /> Modified EPA Method 8020 for: <br /> Benzene mg/m3 ND 70 ND 0. 14 <br /> Toluene mg/m3 320 26 ND 0.053 <br /> Ethylbenzene mg/m3 430 45 ND 0.090 <br /> Xylenes mg/m3 3,300 120 ND 0.24 <br /> C Summary: <br /> % Recovery 115* <br /> RPD. 1.4 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br /> *The Recovery for air samples is based on the Laboratory Control Sample <br /> Louis W Dupuis <br /> Quality Assurance/Quality Control Manager <br /> Founding Member of the Association of Caltfornia Testing Laboratories A-2 <br />