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I <br /> McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax.510-798-1622 <br /> Environmental Science&Eng Client Project ID #6-92-5400,Cecchuu Date Sampled 04104-04/05/95 <br /> 4090 Nelson Ave, Suite J Date Received 04/06/95 <br /> Concord,CA 94520 Client Contact Sue Wickham Date Extracted 04/06-04/07/95 <br /> Client P O #SMSA-C-021 Date Analyzed 04106-04/07/95 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,vath BTEX* <br /> EPA methods 5030 modtfied 8015 and 8020 or 602 Cakfornia R W CB 5F Bav Re on method GCFID(5430 <br /> Lab ID Client ID Matrix TPH(g)+- Benzene Toluene Ethylbeen- Xylenes Surrogate% elizen <br /> 51522 415 S ND ND ND ND ND 91 <br /> 51523 420 S ND ND ND ND ND 108 <br /> 51524 425 S ND 0 038 ND ND ND 106 <br /> 51525 430 S ND 0 033 ND ND ND 106 <br /> 51526 435 S ND Oil ND ND ND 107 <br /> 51527 440 S ND 0 036 ND ND ND 102 <br /> 51528 445 S ND 0 007 ND ND ND 108 <br /> 51529 450 S ND ND ND ND ND 107 <br /> a 51530 455 S ND ND ND ND ND 105 <br /> 51531 460 S ND ND ND ND ND 104 <br /> 51532 465 S ND ND ND ND ND 110 <br /> 51533 Trip W --- ND ND ND ND 100 <br /> Reporting Lmut unless other- W 50 ug/L 05 05 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak coclutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a) unmodified or weakly modified gasoline is siccant,b) heavier gasoline <br /> range compounds are sign>ficant(aged gasoline?),c)Itghterggaasohne range compounds(the most mobile fraction) <br /> are significant, d) soliiiine range compounds having roadchromato aphic peaks are significant, biologically <br /> altered gasoline?,e�TPH pattern that does not appear to be derived From gasoline (7),f) one to a few isolated <br /> peaks present,g)strongly agedsohne or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) hquid same a that contains greater than- 5 vol %sediment,j) no recognizable pattern <br /> DHS Certification No 1644 '/4' Edward Hamilton,Lab Director <br />