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Table 3: Summary of Groundwater Analytical Data - Intermediate Well J.M. Equipment 1245 W. Charter Way Stockton, California Project No. 507.2 Wells Date Benzene Toluene Ethyl Total TPH ABBE DIPE ETBE TAME TBA Ethanol Methanol 1,2 DCA EDB 11g/L. ug/T Benzene Xy lenes Gasoline ugil, PPX figa, ir-iL IVA mgft mg/T Ka, PO, Fig/L KO. nit, MW-t09 06/01/01 2.8 3.4 2.7 It 92 39 ND( <6 ) ND(<5) N13(<5) 120 ND(<5) ND(<5) ND(<5) ND(<5) 09/17/01 1.2 0.65 0.51 1.1 ND(<50) ND(<5) NDRS i ND(<5) ND(<5) NC:1(d0) ND(<2) ND(<2) ND(<5) ND(<5) 12/04/01 0.5 0.60 0.40 1.1 ND(<50) ND(<2 i 02f26/02 0.8 1.20 0.80 2.7 ND(<50) ND(<2) 06/20/02 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<2) 09/16/02 0.3 ND(<0.3) 0.3 0.7 ND(<50) ND(<2) 12/20/02 NI1(<0.3) ND(<0.3) ND(<0.3) 0.4 ND(<50) ND(<2) 03/18/03 ND(<0.3) ND(<0.3) ND(<0.3) 0.4 ND(<50) ND(<1) 06/24/03 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 09/11/03 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 12/12/03 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 03/19/04 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<I) 06/04/04 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 12/29/04 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 02/17/05 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<I) 05/27/05 ND(<0.3) ND(<0.3) ND(<0.3) ND(<0.3) ND(<50) ND(<1) 08/19/05 ND(<0.5) ND(<0.5) ND(<0.5) ND(<0.5) ND(<50) ND(<0.5) 11/18/05 ND(<0.5) ND(<0.5) ND(<0.5) ND(<0.5) ND(<50) N13(<0.5) 03/10/06 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 05/31/06 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 08/22/06 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 12/01/06 ND(<0.5) N13(<0.5) ND(<0.5) ND(< 1 ) ND(<50) N13(<5) 01/08/07 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 05/24/07 ND(<0.5) ND(<0.5) ND(<0.5) ND(< I) N113(<50) NI:1(<5) 08/06/07 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 12/03/07 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<0.5) 02/11/08 ND(<0.5) N13(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 05/13/08 ND(<0.5) ND(<0.5) ND(<0.5) NIX<I) ND(<50) ND(<5) 08/06/08 N13(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 11/06/08 ND(<0.5) ND(<0.5) ND(<0.5) ND(<1) ND(<50) ND(<5) 06/25/09 Not Sampled 12/21/09 Not Sampled 06/07/10 Not Sampled 12/28/10 ND(<0.5) 1 ND(<0.5) 1 ND(<0.5) I ND(<1) I ND(<50) I ND(<5) I I I I I I I I 05/23/11 Not Sampled 09/29/11 Not Sampled 10/17/11 Not Sampled 10/28/11 Not Sampled 11/28/11 Not Sampled 12/29/11 Not Sampled 01/27/12 Not Sampled 02/28/12 Not Sampled 03/29/12 Not Sampled 04/16/12 Not Sampled 04/30/12 Not Sampled 05/31/12 Not Sampled 06/28/12 Not Sampled 07/30/12 Not Sampled 12/23/13 Not Sampled 03/21/14 Not Sampled 06/18/14 Not Sampled 09/16/14 Not Sampled 12/18/14 Not Sampled 03/26/15 Not Sampled 06/17/15 Not Sampled 09/09/15 ,Not Sampled 12/23/15 Not Sampled 05/24/16 Not Sampled 09/29/16 Not Sampled 12/22/16 ND(<0.5) I ND(<0.5) I ND(<0.5) I ND(<1) I ND(<50) I ND(<0.5) I ND(<0.5) .1 ND(<0.5) I ND(<0.5) I N13(<1.0) I 05/25/17 Not Sampled 06/26/17 Not Sampled 12/11/17 Not Sampled Notes; ND = non-detect above laboratory reporting limits µWI = micrograms per liter TPH = total petroleum hydrocarbons ACHE = Methyt tert-Butyl Ether D1PE = Diisopropyl Ether ETBE = Ethyl tert-Butyl Ether TAME = tert-Amyl Methyl Ether TBA = tert-Butyl Alcohol 1,2- DCA = 1.2-Dichloroethane EDB = Ethylene 0/bromide Ground Zero Analysis. Inc. 5/9/2018