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r <br />1 <br />.. <br />110 Second Avenue South, #D7, Pacheco, CA 94553 <br />124 1 McCAMPBELL ANALYTICAL INC. Telephone : 510-798-1620 Fax : 510-798-1622 <br />htto://www.mccamobell.com E-mail: main@mccampbell.com <br />DHS Certification No. 1644 /!Z Edward Hamilton, Lab Director <br />Date Sampled: 09/18-09/22/97 <br />Advanced GeoEnvironmental <br />Client Project ID: Cherokee Truck Stop <br />Date Received: 09/23/97 <br />1803 West March Lane, Ste A <br />Client Contact: Kevin McKibben <br />Date Extracted: 09/23-09/24/97 <br />Stockton, CA 95207 <br />Client P.O: <br />Date Analyzed: 09/23-09/29/97 <br />Gasoline Range (C6 -C12) Volatile Hydrocarbons as Gasoline*, with Methyl tert-Butyl Ether* & BTEX* <br />EPA methods 5030, modified 8015, and 8020 or 602; California RWQCB (SF Bay Region) method GCF7 D(5030) <br />Lab ID <br />Client ID <br />Matrix <br />TPH(g)' <br />MTBE <br />Benzene <br />Toluene <br />Ethylben- <br />Xylenes <br />% Recovery <br />zene <br />Surrogate <br />81029 <br />P-1 <br />S <br />340,gj <br />ND<0.4 <br />ND<0.02 <br />0.10 <br />0.72 <br />2.1 <br />99 <br />81030 <br />P-2 <br />S <br />6.6,g <br />ND <br />0.006 <br />0.006 <br />ND <br />0.015 <br />101 <br />81031 <br />P-3 <br />S <br />420,a,g <br />ND<2.6 <br />2.3 <br />ND<0.04 <br />1.1 <br />1.8 <br />104 <br />81032 <br />P-4 <br />S <br />1000,a <br />ND<6.8 <br />18 <br />2.3 <br />25 <br />60 <br />102 <br />81033 <br />P-5 <br />S <br />35,a <br />1.4 <br />4.7 <br />0.10 <br />2.2 <br />0.23 <br />100 <br />81034 <br />P-6 <br />S <br />6.8,a <br />ND<0.16 <br />0.11 <br />0.023 <br />0.017 <br />0.065 <br />103 <br />81035 <br />P-7 <br />S <br />250,a,g <br />ND<1.7 <br />0.96 <br />0.90 <br />0.57 <br />1.1 <br />103 <br />81036 <br />P-8 <br />S <br />1.9,a <br />0.11 <br />0.008 <br />0.044 <br />0.010 <br />0.051 <br />98 <br />81037 <br />P-9 <br />S <br />130,gj <br />ND<0.10 <br />0.026 <br />0.048 <br />ND <br />0.29 <br />97 <br />81038 <br />P-10 <br />S <br />340,gj <br />ND<0.40 <br />0.14 <br />0.23 <br />4.1 <br />6.8 <br />101 <br />81039 <br />P-11 <br />S <br />520,gj <br />ND<0.5 <br />0.27 <br />0.35 <br />0.49 <br />2.1 <br />99 <br />81040 <br />P-12 <br />S <br />4.8,g <br />ND <br />ND <br />ND <br />0.006 <br />0.027 <br />103 <br />81041 <br />P-13 <br />S <br />1200,g <br />ND<2.0 <br />ND<0.21 <br />1.1 <br />2.2 <br />8.6 <br />96 <br />81042 <br />TI -E <br />S <br />1200,a <br />ND<4.4 <br />4.5 <br />2.2 <br />14 <br />32 <br />102 <br />Repotting Limit unless <br />W <br />50 ug/L <br />5.0 <br />0.5 <br />0.5 <br />0.5 <br />0.5 <br />otherwise stated; ND <br />means not detected <br />above the reporting <br />S <br />1.0 mg/kg <br />0.05 <br />0.005 <br />0.005 <br />0.005 <br />0.005 <br />limit <br />* water and vapor samples are reported in ug/L, wipe samples in ug/wipe, soil and sludge samples in mg/kg, and all TCLP and SPLP extracts <br />in ug/L <br />" cluttered chromatogram; sample peak coelutes with surrogate peak <br />'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(aged <br />gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br />chromatographic peaks are significant; biologically altered gasoline?; e) TPH pattern that does not appear to be derived from gasoline (?); f) <br />one to a few isolated peaks present; g) strongly aged gasoline or diesel range compounds are significant; h) lighter than water immiscible <br />sheen is present; i) liquid sample that contains greater than -5 vol. % sediment; j) no recognizable pattern. <br />DHS Certification No. 1644 /!Z Edward Hamilton, Lab Director <br />