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TABLE 3 GROUNDWATER MONITORING A[ID CFEMICAL RESULTS FORMER PEGAL STATION 603 6425 PACIFIC AVENEUE STOCYTON CALIFORNIA WELL CASING TOP OF DATE DEPTH TO PPOD V1.CUUM COPRECMethod 20 "TED TOTAL PET BENZENL TOLUENE ETHIL XYLENES Met31�1 telt-HuLfl DISSOLVED MethodDAjed 20 ELEVATION SLOT TOP OF THICY AT WELL GV ELEV HIDROCARB BENZENE Etl>e1 OXSGEN Lead FEET AMSL FEET ANSI, WATER HE.D FT AMSL GAS RANGE 6020 6260 IN FEET IN FEET IN FEET PPB PPB PPB PP$ PPB PPB PPB PPM PPB MW-6 12 01 22 99 r4/26/74 46 45 0 0 007 -36 45 MW 6 12 01 -22 99 05/1./94 48 67 0 0 007 -36 67 MW-6 12 01 22 99 06/72/'4 47 95 0 0 007 -35 95 <50 c0 5 <0 5 <0 5 <2 MW-6 12 01 -22 99 oA/l7/94 49 78 0 0 007 -37 7B MW-6 12 01 -22 99 09/14/94 48 94 0 0 000 -36 93 <50 <0 5 <0 5 -'Os <2 MW-6 1 12 01 -22 99 10/26/34 49 12 0 0 000 -37 11 MW-6 12 01 -22 99 12/16/94 48 77 0 0 000 -36 76 <50 <0 5 <0 5 <0 Si <2 MW-6 12 01 -22 99 01/25/95 48 15 0 0 000 -36 14 MW 6 12 01 -22 99 03/15/95 46 3 0 0 000 -34 29 <50 <0 5 <0 5 '0 5 <2 MW-6 12 01 -22 99 04/12/95 46 65 0 0 003 -34 64 MW-6 12 01 22 99 O5/17f,5 46 02 0 0 000 -34 01 MW 6 12 91 1 -22 99 06/21/35 45 72 0 0 000 -33 71 <50 <0 5 <0 5 '0 5 <2 MW 6 12 01 -22 99 as/01/95 45 86 0 0 000 -33 85 MW-6 12 01 -22 99 09/2x/95 46 12 0 0 002 -34 11 MW-6 12 01 22 99 10/1-/95 45 82 0 O 002 -33 81 MW-6 12 el 22 99 11/14/95 45 6 0 0 003 -33 59 MW 6 12 01 22 99 12/11/95 45 1 0 0 002 -33 09 MW-6 12 01 -22 99 01/22/95 44 2 0 0 094 -32 20 MW-6 12 01 22 99 03/06/96 42 88 0 0 000 -30 87 <Sp c0 5 <0 5 0 5 <2 > MW 6 12 01 -22 99 04/00/46 41 88 0 0 094 29 96 MW-6 12 01 22 99 05/28/96 40 7 1 0 0 003 -28 69 MW-6 12 01 -22 99 05/20/96 40 52 0 0 000 28 51 <50 <0 5 c0 50 5 <2 <50 3 1 MW 5 12 O1 -22 99 07/30/95 41 1 0 0 001 -29 09 MW-6 12 01 -22 99 09/19/96 41 84 0 0 000 -29 83 150 c0 5 <0 5 0 5 <2 �5 MW-6 12 01 -22 99 12/10/96 40 22 0 0 003 28 21 MW 6 12 01 22 99 03/1NJ97 37 78 0 0 000 -25 77 <50 <0 5 '0 5 2 5 MW-6 12 01 -22 9906/11/97 37 6 0 0 000 25 59 MW-6 12 01 -22 99 09/23/97 :1m nm nm MW-6 12 01 -22 99 12/16/97 37 45 0 0 000 25 44 -"60 41! 6 1 r, MW-6 12 01 -22 99 03111/9R 34 77 0 0 000 22 76 MW 6 12 01 22 99 05/23/9' 33 0 0 000 20 99 MW-6 12 01 -22 99 O9J09/99 33 26 0 0 000 -21 25 <50 <0 5 00 5 <1 <0 5 MW-6 12 01 22 99 1IIIA19a 32 66 0 1 0 000 1 -20 65 <SO j 0 5 0 7' 0 S <1 6 MW-6 12 01 -22 99 O1/09/4B 32 BS 0 0 000 20 84 <50 <0 5 c0 50 5 <1 <0 5 p MW 6 12 01 -22 99 1)/12/00 32 3 0 0 000 20 29 <50 <6 5 c0 5 0 S <0 5 <0 5 <5 14ote s alrples obtained on412/IZ/97 were cross cont,;u=natedlwxth submersible pupil which showed TPHg 0412rmg/L4 Benzene 1 6 ug/L, W !Toluene 12 ug/L Ethyl. Benzene 5`5'ug/L, Xylenes-39 Ug/L MTEE ND <5 ug/L in the (anal rinse sample'