Laserfiche WebLink
COLUMBIA ANALYTICAL SERVICES, INC <br /> QA/OC Report <br /> • Client EMCON Associates Date Received 04/27/93 <br /> Project EMCON Project No OG71-017 01 Service Request No SJ93-0564 <br /> ARCO Facility No 434 <br /> Initial Calibration Verification <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020/DHS LUFT Method <br /> u9/L (Ppb) <br /> Date Analyzed 05/03/93 <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Benzene 25 224 90 85-115 <br /> Toluene 25 238 95 85-115 <br /> Ethylbenzene 25 232 93 85-115 <br /> Total Xylenes 75 71 9 96 85-115 <br /> TPH as Gasoline 250 242 97 90-110 <br /> TPH Total Petroleum Hydrocarbons <br /> i <br /> Approved byDate 0�� <br /> 4 <br /> 1921 Ringwood Avenue • Son Jose California 95131 • Telephone 408/437 2400 • Fox 408/437 9356 <br />