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TABLE IB <br /> ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA <br /> Former Mobil Service Station 99CAS <br /> 75 East Alpine Avenue <br /> Stockton,California <br /> (Page 7 of 9) <br /> Well Sampling RIPE ETBE TAME TBA 1,2-DCA EDB Ethanol Methanol <br /> ID Date (u9/L) (u9/L) (u9/L) (N9/L) (u9/L) (u9/L) (N9/L) (N9/L) <br /> DW3 02/23/09 <25 <25 <25 <500 <25 <25 <2,500 --- <br /> DW3 04/29/09 <5.0 <5.0 <5.0 <100 <5.0 <5.0 <500 <100 <br /> DW3 07/14/09 <5.0 <5.0 <5.0 <100 <5.0 <5.0 <500 180 <br /> DW3 10/28/09 <5.0 <5.0 <5.0 <100 <5.0 <5.0 <500 <100 <br /> DW3 01/25/10 <10 <10 <10 <200 <10 <10 <1,000 <100 <br /> <10 <10 <10 <200 <1,000 <100 <br /> DW3 04/07/10 --- ••- <br /> <10 <10 <10 <200 <1,000 <100 <br /> DW3 08/10/10 --- -- <br /> <10 <10 <10 <200 <1,000 <100 <br /> DW3 10/06/10 --- --- <br /> DW3 02/09/11 <10 <10 <10 <200 <10 <10 <1,000 <100 <br /> DW3 05/19/11 <0.50 <0.50 <0.50 <5.0 1.4 <0.50 --- --- <br /> DW3 09/22/11 1 --- --- •-- --- --- - <br /> DW3 12/01/11 <0.50 <0.50 <0.50 <5.0 1.0 0.82 - <br /> DW3 03/15/12 <50 <50 <50 <500 <50 <50 --- <br /> DW3 05/03/12 <50 <50 <50 <500 <50 <50 -- <br /> DW3 08/24/12 <100 <100 <100 <1,000 <100 <100 -- <br /> DW3 10/24/12 <1.0 <1.0 <1.0 13 <1.0 <1.0 --- --- <br /> DW3 01/31/13 <40 <40 <40 <400 <40 <40 --- <br /> DW3 05/03/13 <40 <40 <40 <400 <40 <40 --- ... <br /> DW3 08/21/13 <0.50 <0.50 <0.50 <5.0 1.2 <0.50 <br /> DW3 12/18/13 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- --- <br /> DW4 07/14/09 <0.50 <0.50 <0.50 <10 1.1 <0.50 <50 260 <br /> DW4 10/27/09 <0.50 <0.50 <0.50 <10 0.81 <0.50 <50 <100 <br /> DW4 01/25/10 <0.50 <0.50 <0.50 <10 0.37 <0.50 <50 <100 <br /> <0.50 <0.50 <0.50 <10 <50 <100 <br /> DW4 04/07/10 --- --- <br /> DW4 08/09/10 <0.50 <0.50 <0.50 <10 --- <50 <100 <br /> <0.50 <0.50 <0.50 <10 <50 <100 <br /> DW4 10/05/10 -•• --- <br /> DW4 02/09/11 <0.50 <0.50 <0.50 <10 <0.50 <0.50 <50 <100 <br /> DW4 05/18/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- <br /> DW4 09/22/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <br /> DW4 11/30/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- --- <br /> DW4 03/14/12 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- --- <br /> DW4 05/03/12 Well inaccessible. <br /> DW4 08/24/12 m --- --- - --- <br /> DW4 10/24/12 m --- .-• --- ••. --- •-- <br /> DW4 01/31/13 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- <br /> DW4 05/03/13 m --- --- •-- -- --- --- --- <br /> DW4 08/21/13 m <br /> DW4 12/18/13 m --- --- --- --- --- --- <br /> EX1 07/14/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 86j <br /> EX1 10/27/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100 <br /> EX1 01/25/10 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100 <br />