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, a <br /> e 1551 Industrial Roadt <br /> Sequoia '` San Carlos, CA 94070-4111 <br /> �•u � r y, (654) 232-9600 <br /> qwr Analytical ,+ F ^ T L ' FAx(5 232-9632- <br /> Gettler-Ryan/Geostrategtes(1) Project Unocal(1) m Sampled 12/13/99 ' <br /> 6747 Sierra Court,Suite D Project Number Unocal SS#5098 Received' 12/14/99 <br /> Dublin,CA94568' W ' ' project Manager Scott Polston , ' ` ��" `� ' ' Reported 4 12/29/49 -" <br /> w""� <br /> Total Purgeabie Hydrocarbons(C&C12)and BTEX by-DHS LUFTIQuality Conti�oi <br /> �-SeL�1�01 �t�IISlytl ���$II�:BZ 1o$ r, v <br /> .._,,..o o _ ws6.��.,b <br /> Date 1 Spikei" M Sample I QC Reporting Lint Recov RPD RPD <br /> ,Anal ed Level Result Result Units Recov Limits % Limit % Nates* <br /> LCS 91.20117-13Sl' <br /> Bene 12/23/99 100 927 ug/1 700-130 927 <br /> Toluene 100 9 23 to <br /> 700-130 923 <br /> Ethylbenzene 100 9 41 to700-130 94 1 <br /> Xylenes(total) 300 282 700-130 94'0 <br /> Surrogate a,a,a-Tnfluorotoluene 1 1010 8 75 600-140 875 <br /> d <br /> LCS 9120117-BS2 y <br /> Purgeable Hydrocarbons as Gasoline 12/23/99 250 v 246 ug/l 700--130 "98 4 <br /> Surrogate a,a,a-Tnfluorotoluene 100 744 600-140 74 4 <br /> Matrix Spike9120117-MS1 L912106-15 <br /> Benzene r 12/23/99 1001 ND 8 76ug/l 600- <br /> MO ,,,87 6 <br /> Toluene <br /> 100 ND $73 .� ' 11 _ 60 0-140 _ 87.3 , a - <br /> Ethylbenzene 10 0 ND 893 600-140 843 a <br /> Xylenes(total) 300 ND 264 _ 600-140 88_0 _ <br /> Surrogate a,a,a-Trifluorotoluene " 100 9 14 600-140 914 <br /> Matrix Spike Dun 9120117-MSD1 L912106-15 <br /> Benzene 12/23/9910O—ND-8 89--u g/1 -> 60 0-140 88 9 25 0 F 47 <br /> Toluene 100 ND 879 600-140 879 250 0 685 <br />�Ethylbenzene. `� ,,� -x_10 0—_ �_ND _.�9 06 " .60 0-140:_--T 90_6T 25 145 -- t <br /> Xylenes(total) ��,� " 300 ND 267 60 0-140 WC 2S 0 . 1 13� <br /> Surrogate �a a a-Tnfluorotoluene -"--- =10 0— ---8 85 �' 60 0440— <br /> � <br /> Batch 9120118 , Date Prepared 12/23/99 Extraction Method EPA 5030E IP/TI <br /> 1 <br /> Blank N . r. _ ,,9120118-BLK1w T b m a <br /> Purgeable Hydrocarbons as Gasoline 12/23/99 ND dg/1- "1500 <br /> Benzene R ND ' " n 0 500 _ <br /> Toluene 'ND 0 500 <br /> Ethylbenzene a{ $ } - ND „ �ry 0 500 + <br /> Xylenes(total) -- - "L ND 0500 " <br /> Surrogate a,a,a-Tnfluorotoluene toI R 100 104 '60 0-140 104 h <br /> LCS 9120118-BS 1 <br /> Benzene 12/23/99 100 983 ug/l 700-130 983 <br /> Toluene 100 973 1. 700-130 973 <br /> Ethylbenzene 100 971 't 700-130 971 <br /> _ Xylenes(total) -300 _ 29'1 700-130 1 970104 <br /> 7 0 <br /> Surrogate a,a,a-Tnfluorotoluene " 100 <br /> 10 4 60 D-140 104 <br /> , i 1 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> Page 21 of 31 <br />