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CHROMALAB, INC . <br /> k, J <br /> 1 Environmental Laboratory(1094)}' ' h 5 DAYS,TUPMROUND <br /> I <br /> January 14 , 1993 ChromaLab ,File No`. : 0193042 <br /> u <br /> MITTELHAUSER CORPORATION <br /> --Attn:-Steven-W.--_Pierce, <br /> RE:-Five_soll-samples-for Gasoline_and_BTEX_analysis __ <br /> -__ Project Name: . UNOCAL x`6348 - <br /> Pro3ect Number: P2168-2 <br /> Date Sampled: Jan. 7, 1993 Date Submitted: Jan. 7, 1993 <br /> _Date- Analyzed_ Jan. 13 , 1993 <br /> RESULTS:, <br /> Ethyl Total <br /> Sample Gasoline Benzene Toluene Benzene Xylenes <br /> I .D. . (mq/Kq) (ugJKq)­ (,g1Kg) (ug/Kct) _ (ucr/Kq)_7 <br /> PL-1B -s _ r t N.D. N.D. - N.D. N.D. N.D. <br /> PL--2B N.D. N.D. N.D. N.D. N.D. <br /> PL-3B N.D. N.D. N.D. N.D. N.D. <br /> SW10@4FT' N.D. N.D: _ - N.D. -" N.D. - N."D.- -- - <br /> SW10@9FT N.D. N.D. N.D. N.D. N.D. <br /> BLANK N.D. N.D. N.D. N.D. N.D. <br /> SPIKE RECOVERY 102% 100% �94$ 95% 951% <br /> DUP SPIKE RECOVERY --- 99%• 95% 96% 96% <br /> DETECTION-LIMIT-17:-O-----5.-O--S .-0-5--O- --" 5-.-0------ <br /> METHOD <br /> 0-- ---"METHOD OF ANALYSIS 5030/8015 8020 8020 8020 8020 <br /> ChromaLab, Inc. <br /> Billy Thach Eric Tam <br /> Analytical Chemist Laboratory Director <br /> do _ <br /> 2239 Omega Road,#1 • San Ramon, California 94583 <br /> (510) 831-1788 • Facsimile (510) 831-8798 <br /> Federal ID #68-0140157 <br />