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10411/1996 14 44 4084379356 CAS/SAN JOSE PAGE 09 <br /> COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC <br /> Client: ARCO Products Company Service Request: 59601406 <br /> Project: 2130 STOCKTON/20905-1 l4 oowroo18957 00 Date Collected: 8/26/96 <br /> Sample Matrix: Air Date Received: 8/27196 <br /> Deft Extracted: NIA <br /> Date Analysed: 8/27196 <br /> Duplicate Summary <br /> BTEX and Total Volaule Hydmcarbons <br /> Urats uIJL(ppmv) <br /> Sample Name Influent <br /> Lab Code 59601406-001 <br /> Duplicate! Rdahve <br /> Sample Sample Percent <br /> Malyte MRL RemWt Result Average owereace <br /> Benzene 02 <1 Me <10* -- .. <br /> Toluene 01 25 26 26 4 <br /> Bthylbenzene 01 13 13 13 <1 <br /> Xylenes,Total 0 2 1.40 140 140 <1 <br /> Total Volatile Hydrocarbons <br /> Cl -0 5 120 120 120 <1 <br /> C6-C12 5 810 830 820 2 <br /> TPH as Gasoline' 5 810 830 820 2 <br /> I <br /> i <br /> I <br /> i <br /> i <br /> I <br /> I <br /> Note pgmV=mglm3 x 124 45(gas constant)!molecular weight OAW)j <br /> MW Benzene 7$,Tolueeae=92,Ethylbenzene= 106,Total Xylenes= 106 <br /> MW Grasohnc= 100 <br /> • TPH as gasoline is defined as C6 (benzene)through C12(dodeaana)and uses a <br /> molecular weight of 100 to calculate the ppmv <br /> •• Raised MRI,due to lugh Analyte concemrabon mgwnag sample ddution <br /> aVRI LDdOIli <br /> Page a <br />