Laserfiche WebLink
r ' <br /> 'I'rat'e Analysis Laboratory, Inc <br /> Telephone (510) 783-6960 <br /> 3423 investment Boulevard #8 • Hayward, California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBER 1991 <br /> DATE SAMPLED: 04/06/92 <br /> DATE RECEIVED: 04/10/92 <br /> DATE ANALYZED: 04/24/92 <br /> DATE REPORTED: 04/27/92 <br /> CUSTOMER. Conoco, Inc. <br /> REQUESTER: Joe DeBiaso <br /> PROJECT. No. 400511-M, Stockton <br /> Sample Type. Air <br /> Influent Method Blank <br /> Method and Concen- Reporting Concen- Reporting <br /> Constituent. Units tratzon Limit ration Limit <br /> Modified DHS Method., <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 3,300 8.7 ND 0.87 <br /> Modified EPA Method 8020 for: <br /> Benzene mg/m3 27 0.53 ND 0.053 <br /> Toluene mg/m3 170 0.46 ND 0.046 <br /> Ethylbenzene mg/m3 58 0.52 ND 0.052 <br /> Xylenes mg/m3 340 1 .6 NO 0. 16 <br /> QC Summary. <br /> % Recovery: 89* <br /> % RPD. 35 <br /> Concentrations reported as NO were not detected at or above the reporting limit. <br /> This sample was analyzed 4 days beyond the 14-day holding time for this analysis. <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 California Testing Laboratories A-2 <br />