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,1 551 Ind ustnA Road 0 <br /> Sequoia y San Carlos CA 94070-4111 <br /> (650)232-9600 <br /> Analytical FAX(650) 232-9612 <br /> „ d <br /> Gettler-Ryan/Geostrategies(1) Project �Unocal(i) i Sampled 12/13/99 <br /> 6747 Sierra Court,Suite D Project Number Unocal SS#5098 Received 12/14/99 <br /> Dublin,CA 94568 s project Manager- Scott Polston Reported_ 12/29/99 <br /> Coti=o1 v " <br /> " ToEai Puigeatile HydioCar>fons(CC C 12)and'BTEX by,DHS LUFT/Quality <br /> Y d s 3 nQ la�)'L8 <br /> CAi �71I CAl'1 <br /> OS <br /> a 11Oi8` i. cua ° <br /> t v DID+ a s asw, .._,....-.m....x,.w.+.a z;....a«w.e,�G.a` a'..;-^.. xr <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte[ Analyzed Level Result Result Units _ Recov Limits % Limit % Notes* <br /> F <br /> Blank continued 9120124-BLK2 <br /> Ethylbenzene 12/25/99 ND ug/1` 0 S00 <br /> Xylenes(total) ND 0.500 <br /> ' <br /> Surrogate a,a,a-Trrfluorotoluene 100 110 " 600-140 110 <br /> 7 <br /> LCS 9120124-BS1 <br /> Benzene 12/24/99 100 105 ug/1 700-130 105 <br /> Toluene 100 107 700-130 107 <br /> " too 108 " 700-130 108 <br /> Ethylbenzene - .. � , <br /> Xylenes(total) 300 323 700-130 108 <br /> Surrogate aa a-Tnfluorotoluene 100 h 121 60 0-140 121 q <br /> , <br /> LCS 9120124-BS2 <br /> Purgeable Hydrocarbons as Gasoline 12/24/99 250, 273 ug/1 70 0-130 109 n w <br /> Surrogate a,a a-Trifluorotoluene " 100 ' 150 600-140 150 <br /> LCS 9120124-BS3 <br /> Benzene 12/25/99 too <br /> 11 1 ug/1 70 0-130 I l l <br /> Toluene 100 11 ! 700-130 111 <br /> _ y too 114 700-130 114 <br /> �Xylen (total) - " - 30 0 — 341 „ 70 0` -130 114-- �-- — - <br /> =Surrogate�a a a-Trrfluorotoluene 100 119 600-140 119 <br /> _ LCS__ _ _ -Y-__ _ 9120124-BS4 _ _ _ _ _ _ _ - <br /> Purgeable Hydrocarbons as Gasoline � v 12125199 _-250 T ��� 277Y ugll T � 70 0=130 �11! <br /> Surrogate a,a,a-Trifluorotoluene 10 0 13 b b0 0-140 13b <br /> Matrix Spike -91201,24-MS1- - L912123-09 <br /> Purgeable Hydrocarbons as Gasoline 12/24/99 250 ND 268 ug/1 600-140 107 <br /> Surrogate a,a,a-Tnfluorotoluene " 100 1154 600-140 154 <br /> Matfrz Spike Duni 9120124-MSDI L912123-09 I I - � <br /> Purgeable Hydrocarbons as Gasoline 12/24/99 250 ND 266 ug/l 600-140 106 250 0 939 <br /> Surrogate a,a,a-Tnfluorotoluene 100 143 600-140 143 <br /> r <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and def nitrons <br /> Page 25 of 31 <br />