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su erior �ecision Anal ica .p/nc. <br /> 825 Arnofd Drive Suite 1 14 w Martinez California 94553 ■ {510) 229-1512 /fax (510) 229-1526 <br /> TOUCHSTONE Project 2396-1 <br /> Attn JEFF MONROE Reported 12/21/93 <br /> TOTAL PETROLEUM HYDROCARBONS <br /> Lab # Sample Identification Sampled Analyzed Matrix <br /> 30141- 1 SP-3 A-D 12/17/93 12/20/93 Soil <br /> 30141- 2 SP-4 A-D 12/17/93 12/20/93 Soil <br /> 30141- 3 SP--5 A-D 12/17/93 12/20/93 Soil <br /> 30141- 4 SP-6 A-D 12/17/93 12/20/93 Soil <br /> 30141.- 5A SP-7 A 12/17/93 12/20/93 Soil <br /> 30141- 5B SP-7 B 12/17/93 12/20/93 Soil <br /> 30141- 5C SP-7 C 12/17/93 12/20/93 Soil <br /> 30141- 5D SP-7 D 12/17/93 12/20/93 Soil <br /> 30141- 6A SP-8 A 12/17/93 12/20/93 Soil <br /> 30141- 6B SP-8 B 12/17/93 12/20/93 Soil <br /> RESULTS OF ANALYSIS <br /> Laboratory Number 30141- 1 30141- 2 30141- 3 30141- 4 301.41- 5A <br /> oline ND<1 ND<1 ND<1 ND<1 ND<1 <br /> nzene ND< 005 ND< . 005 0 007 0 01.0 0 020 <br /> Toluene . ND< 005 ND< . 005 ND< . 005 0 030 0 033 <br /> Ethyl Benzene ND< 005 ND< . 005 ND< 005 0 . 011 0 . 008 <br /> Total Xylenes ND< . 005 0 016 0 040 0 . 11 0 . 060 <br /> Concentration mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Laboratory Number 30141-5B 30141-5C 30141-5D 30141-6A 30141-6B <br /> Gasoline ND<1 ND<1 2 ND<1 ND<1 <br /> Benzene 0 015 0 008 0 012 ND< 005 ND< 005 <br /> Toluene 0 015 0 010 0 018 ND< 005 ND< 005 <br /> Ethyl Benzene ND< 005 ND< 005 0 014 ND< 005 ND< 005 <br /> Total Xylenes 0 021 0 022 0 082 ND< 005 0 015 <br /> Concentration mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Page 1 of 3 <br /> Certified Laboratories <br />