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Sequoia 404 e ,CA Lane <br /> Walnut Creek,CA 94598 <br /> (925)988-9600 <br /> FAX(925)9BB-9673 <br /> wwloww.sequoialabs.com <br /> f'_ ./ <br /> ',San Joaquin Company Inc. Project: 7500 W l lth St.Steet Tracy <br /> 11120 Hollywood Ave.No. 3 Project Number: #9902.012 Reported: <br /> Oakland CA.,94602 Project Manager: Dai Watkins 24-May-00 14:51 <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> iknalyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> PP7-W(W004568-05)Water Sampled:25-Apr-00 08:58 Received: 25-Apr-0017:02 P-01 <br /> urgeable Hydrocarbons 11000 5000 ug/l 100 OE01003 01-May-00 01-May-00 DHS LUFT <br /> °3enzene ND 50 <br /> Toluene ND 50 " <br /> rthylbenzene 80 50 <br /> ;.'ylenes(total) 75 50 " <br /> Surrogate:a,a,a-Trifluorotohtene 91.7% 70-130 " <br /> E-w:'P84(W004568-06)Sail Sampled: 25-Apr-00 09:16 Received:25-Apr-0017:02 <br /> '-'urgeable Hydrocarbons ND 1.0 mg/kg 20 OD28002 28-Apr-00 28-Apr-00 DHS LUFT <br /> Benzene ND 0.0050 " <br /> Toluene ND 0.0050 <br /> sthylbenzene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> �utrogate:a,a,a-Trifluorotolttene 105% 40-140 " <br /> ;,3(WO04568-07)Soil Sampled: 25-Apr-00 09:18 Received: 25-Apr-0017:02 <br /> Purgeable Hydrocarbons ND 1.0 Ing/kg 20 OD28002 28-Apr-00 28-Apr-00 DHS LUFT <br /> enzene ND 0.0050 " <br /> oluene ND 0.0050 " <br /> 1;thylbenzene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> L>urrogate:a,a,a-Trifluorotoluene 97.7% 40-140 <br /> PP8-12(W004568-08)Soil Sampled: 25-Apr-00 09:19 Received: 25-Apr-0017:02 <br /> Purgeable Hydrocarbons ND 1.0 mg/kg 20 OD28002 28-Apr-00 28-Apr-00 DHS LUFT <br /> enzene ND 0.0050 <br /> "�oluene ND 0.0050 " <br /> Ethylbenzene ND 0.0050 " <br /> kylenes(total) ND 0.0050 " <br /> surrogate:a,a,a-Trifluorotoluene 102% 40-140 <br /> I- <br /> S-Qljola Analytical -Walnut Creek The results in This report apply to the samples analyzed in accordance with the chain of <br /> 1 custody document.This analytical report must be reproduced in its entirety. <br /> Page 4 of 28 <br />