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E <br /> Su erior Precision Etna/ ica/ Inc_ <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California 94553 • (51 0} 229-1512 /fax (510) 229-1526 <br /> GROUNDWATER TECHNOLOGY, INC Project 02070-4237-0610 <br /> Attn Bruce Eppler Reported 09/07/93 <br /> TOTAL PETROLEUM HYDROCARBONS <br /> Lab # Sample Identification Sampled Analyzed Matrix <br /> 89870- 1 TB-LB 09/02/93 09/07/93 Water <br /> 89870- 2 RBMW4A 09/02/93 09/04/93 Water <br /> 89870- 3 MW4A 09/02/93 09/04/93 Water <br /> 89870- 4 MW8 09/02/93 09/04/93 Water <br /> 89870- 5 MW9 09/02/93 09/04/93 Water <br /> 89870- 6 MW10 09/02/93 09/04/93 Water <br /> 89870- 7 MW11 09/02/93 09/07/93 Water <br /> RESULTS OF ANALYSIS <br /> Laboratory Number 89870- 1 89870- 2 89870- 3 89870- 4 89870- 5 <br /> Gasoline ND<50 ND<50 ND<50 61 ND<50 <br /> Benzene ND<0 5 ND<0 . 5 ND<O 5 4 4 ND<0 . 5 <br /> 0luene : ND<O 5 ND<O 5 ND<O 5 ND<0 . 5 ND<0 . 5 <br /> hyl Benzene ND<0 5 ND<O 5 ND<O 5 ND<0 . 5 ND<O 5 <br /> Total Xylenes ND<1 5 ND<1 5 ND<1 . 5 ND<1 5 ND<1 . 5 <br /> Concentration ug/L ug/L ug/L ug/L ug/L <br /> Laboratory Number 89870- 6 89870- 7 <br /> Gasoline ND<50 ND<50 <br /> Benzene ND<0 5 ND<O 5 <br /> Toluene ND<O 5 ND<O 5 <br /> Ethyl Benzene ND<O 5 ND<O 5 <br /> Total Xylenes - ND<1 5 ND<1 5 <br /> Concentration ug/L ug/L <br /> Page 1 of 2 <br /> Certified Laboratories <br />