Table 1
<br /> Groundwater Monitoring Data and Analytical Results
<br /> Tosco(Former BP Oil)Service Station#11195
<br /> 16500 South I-5
<br /> Lathrop,California
<br /> WEE IDf ` DATE DTW 3 I GWE TPH D T�>`I G B T: E 7f MTBE'.
<br /> ToC . .;'
<br /> fph�)..... ...... �F1'�) CIPb)...... �pbf..... ... ;...fpp )
<br /> MW-3 (D) 10/15/97 -- 8.0-23.0 -- -- 1,400 8.4 1.5 250 57 7,900
<br /> (cont) 01/15/98 10.14 -0.35 -- 24,000 20 ND' ND3 ND3 21,000
<br /> 05/07/98 7.10 2.69 -- -- -- --
<br /> 09/03/98 9.32 0.47 -- 81,000 ND3 ND' 360 100 78,000
<br /> (D) 09/03/98 -- -- -- 66,000 ND3 ND3 350 100 73,000
<br /> 12/23/98 9.98 -0.19 -- 62,000 4.2 ND' 210 5.1 77,000
<br /> 12/31/98 INACCESSIBLE-PAVED OVER -- -- -- __ __ __
<br /> 03/22/99 8.60 1.19 12,000 ND3 ND3 ND' ND 12,000
<br /> 15.10 09/15/98 9.50 5.60 4,100 ND 11 370 50 23,000'
<br /> 9.79 05/20/99 8.61 1.18 -- ND ND ND ND ND 2,89014,680'
<br /> 08/11/99 10.27 -0.48 -- ND3 ND3 ND3 29.9 ND3 47,300/61,000'
<br /> 11/19/99 10.29 -0.50 -- 3,800' 46 ND3 73 380 32,000/38,000'
<br /> 02/22/00 8.01 1.78 -- 312' 6.34 ND 3.72 12.2 3,490/3,510'
<br /> 05/05/00 8.31 1.48 -- ND3 ND3 ND3 ND3 ND3 i02,480/2,4101
<br /> 08/28/00 9.81 -0.02 -- ND3 ND3 ND3 ND3 ND3 83,800178,6001
<br /> 11/13/00 10.21 -0.42 -- ND3 ND3 ND3 ND3 ND3 55,100/45,800'
<br /> 02/09/01 9.95 -0.16 -- ND3 ND3 ND3 ND3 ND3 8,400/13,700'
<br /> 05/11/01 9.26 0.53 -- ND3 ND' ND' ND3 ND3 7,470/7,930`
<br /> 08/10/01 10.28 -0.49 -- 110' <0.50 1.6 3.0 3.0 2,60015,200'
<br /> 11/21/01 10.81 -1.02 -- <250 <2.5 <2.5 <2.5 <2.5 3,600/5,500'
<br /> MW-4
<br /> 9.03 12/21/925.611.06 9.5-24.5 -2.03 ND 10,000 ND3 3.5 300 540 -
<br /> 05/17/93 8.25 0.78 -- 6,600 7.7 3.3 840 1,000 -
<br /> 09/15/93 9.64 -0.61 -- 16,000 ND' ND 1,000 1,300 --
<br /> (D) 09/15/93 -- -- -- 16,000 18 ND' 1,000 1,200 --
<br /> 01/12/94 10.38 -1.35 - 3,200 6.2 1.4 150 112 --
<br /> 05/12/94 9.70 -0.67 - 160 ND 2.5 0.7 ND --
<br /> 10/07/94 10.46 -1.43 -- 13,000 11 2.1 1,100 33 --
<br /> 12/08/94 10.62 -1.59 -- 5,400 20 27 490 54 -
<br /> 02/21/95 8.29 0.74 - 11,000 ND3 ND3 990 460 --
<br /> 11195.x1s ;zi0175 ti1m
<br /> �•'.;�' ti;�; A /21101
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