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TABLE 2 Historical Groundwater Analytical Results Compass Group USA, Inc 1500 Shaw Road Facility Stockton, California Ethyl- 8260 OXYGENATES Benzene Toluene benzene Xylenes TPH-G TBA MTBE DIPE ETBE TAME 1,2 DCA EDB Well Date (ug/L) (ug/L) W/L) (j4i;/L) I W/L) Gig/L) (99/L) L(pg/L) (kg/L) (.AgIL) (ug/L) W/L) CA MCL 1 00 150 00 700 00 1750 00 NE NE 13 00 NE NE NE 050 005 MW-4 06/03/93 860 100 26 94 8 900 ___ ___ _-- ___ ___ 09/20/93 2,850 585 8 585 I1,000 --- ___ ___ ___ --_ 01/27/94 1,100 65 19 80 4,000 --- ___ _ _-_ --- ___ 04/21/94 470 26 2 27 3 400 --- _-- ___ ___ 08/01/94 150 40 14 71 1,100 --- --- ___ 12/13/94 77 8 ND 4 1180 --- ___ ___ _-_ ___ 03/29/95 10 4 ND 2 116 --- _-_ -__ ___ 08/31/95 05 08 ND ND ND ___ ___ ___ _ --- --- 12/19/95 ND ND ND ND ND --- _-- _-- _-- -- 04/05/96 --- -__ --- --- --- --- -- -- 06/27/96 --- --- --- --- --- --- --- --- 07/25/96 ND ND ND ND ND --- _-- --- --- -__ 12/03/96 ND ND ND ND ND --- --- --- --- --- 03/27197 ND ND ND ND ND _-- --- --- --- ___ --- 07/03/97 10/10/97 ND ND ND ND ND <20 <5 0 <5 0 <5 0 <5 0 --- _-- 01/28/98 <03 <0 3 <03 <0 3 <50 <20 <5 0 <5 0 <5 0 <5 0 06/05/98 <03 <03 <03 <03 <50 <20 <5 0 <5 0 <50 <5 0 --- 06/08/99 6 5 1 24 57 31 210 <5 <1 <1 <1 <1 --- - 03/30/00 <0 5 <05 <05 <05 <50 --- ___ _-- ___ ___ ___ 09/22/00 <05 <0 5 <05 <05 <50 <50 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 12/12/00 <OS <OS <OS <OS <50 <50 <10 <10 <10 <10 <10 <10 03/07/01 <05 <03 <05 <05 <50 <50 <10 <10 <10 <10 <I0 <10 05/10/01 24 21 072 5 56 <50 <10 <10 <10 <10 <10 <10 08/15/01 <05 <05 <05 <OS <50 <50 <10 <] 0 <10 <10 C10 [10 11/08/01 <05 <05 <05 <05 <50 <50 <10 <IO <10 <10 <10 <10 02/07/02 <05 -__:S05 <05 <05 <50 <50 <10 <10 <10 <10 <10 <10 CAMCL-Cahfamia Maximum Contaminat Level NE-None Established 5 of 14