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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> FM—CC7MPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> John P Cummings& Associates Client Protect ID #0294010 01, Sierra Date Sampled 10/19-10/20/94 <br /> P O Box 2847 lumber <br /> Date Received 10/21/94 <br /> Fremont,CA 94536-2847 Client Contact John Cummings Date Extracted 10/21/94 <br /> Client P O Date Analyzed 10121-10/22/94 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RW CB SF Ba Re on method oCFID 5034 <br /> Lab ID Client ID Matrix TPH(g)} Benzene Toluene Etz.enen-e SurXylenes %Rea <br />' enrogate <br /> 41771 MW-1-15' S ND,b ND 0010 ND 0014 93 <br />' 41772 MW-1-20' S ND,a 0 045 0 005 0 013 0 044 91 <br /> 41773 MW-1-25' S 350,a 39 20 90 48 105 <br />' 41774 MW-1-30' S 5 9,a 068 089 013 079 95 <br /> 41775 MW-2-20' S 12,a 0 019 0 037 0 024 0 095 113 <br /> 41776 MW-2-25' S 1000,b 16 87 25 130 100 <br /> 41777 MW-2-30' S 1900,b 11 71 32 160 107 <br /> M41778 MW-3-25' S ND,b ND 0 010 ND 0 020 115 <br /> 41779 MW-3-30' S ND ND ND ND ND 116 <br />' 41780 B-1-25' S ND ND ND ND ND 117 <br /> 41781 B-1-30' S ND ND ND ND ND 110 <br /> 41782 B-2-20' S ND ND ND ND ND 105 <br /> 41783 B-2-25' S 220,b,d 025 024 014 13 106 <br />' 41784 B-2-30' S ND,d 0 019 ND ND 0 010 120# <br /> 41785 B-3-20' S ND ND ND ND ND 106 <br />' 41786 B-3-25' S ND ND ND ND ND 104 <br /> Detection Limit unless other- W 50 ug/L 05 05 05 05 <br />' wise stated,ND means Not <br /> Detected S 10 mg(kg 0 005 0 005 0 005 0 005 <br />' *water samples are reported in ug(L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak co-elutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbeil Analytical.s not <br /> responsible for their interpretation a)unmodified or weakly modified gasoline is si�'�ant,b) heavier psotine <br /> range compounds are ggnificant(aged gasoline?),c)lighter gasoline range compounds(the most mobile f action) <br /> are significant d)ggaasoline range compounds are sficanfi no recognizable pattern e) TPH pattern that does <br /> not appear to ale dern+ed from gasoline ((?) f� one o a few isolated peaks present,gj strongly aged gasoline or <br /> diesel range compounds are significant,h) fighter than water immiscle phase is present <br /> DHS Certification No 1644 / ./ Edward Hamilton,Lab Director <br />