| Table 1
<br />    								Groundwater Elevation and Analytical Data(CHEVRON)
<br />										Chevron Service Station 0 9.4275
<br />     .     								2905 Weak Benjamin Holt Drive
<br />     										Stockton,Calitamia
<br />    						Well     Groundwater    Depth      					Ethyl-	Total
<br />   			Well     Date   	Elevation    Elevation     to Water      TPHg      Benzene     Toluene     benzene     Xylenes     MIME
<br />    			ID    Sampled Notes  (ft,MSL)     (ft,MSL)     (k.TOC)       (ug/!)	(ug/0	(ug/0	(ug/V	NO)      NO)
<br />  			MW-1   03/22/89   	2.24	-14.05	16.29       30,000       3,600	1,300	1,100	2,700	--
<br />  				06112189       		-14.67	16.91	20,000       4,400	1,600	2,900	5,900	--
<br />  				09/07189       		-16.14	18.38       20,000       4,100	480 	920 	1,500	--
<br />  				12l18189       		-15.36	17.60       17,000       4,200	200  	17 	1,200	--
<br />  				03120190       		•14.98	17,22	13,000       6,400 	580 	2,200	1,200	--
<br />  				07103190       		-15.80	18.04	17,000       4,800	410 	1,300	1,200	--
<br />  				10119/90       		-17.10	19.34       16,000       4,800	290 	1,700 	700 	--
<br />  				10/19/90   (D)   		-   	-- 	17,000       51600	270 	1,700 	660 	--
<br />  				01l17191       		-16.80	19.04	10,000       3,100 	38  	950 	170 	--
<br />  				01/17/91   (D)   		-   	--  	9,800	3,200 	39  	980 	170 	--
<br />  				03/19/91 			--   	-- 	16,000       2,900 	45  	960 	290 	--
<br />  				07118191       		-16.96	19.20	12,000       3,300 	90 	1,100 	250 	-
<br />  				07/18191   (D)   		--   	- 	12,000       3,300 	90 	1,100 	250 	--
<br />  				10131191       		-17.38	19.62	9,800	2,600 	18  	720  	180 	--
<br />  				01116192       		-16.58	18.82       12,000       3,600 	54  	960 	370 	--
<br />  				03l11/92       		-15.38	17.62 	-   	--   	--   	--   	--
<br />  				03117192       		-15.36	17.60	9,800	3,600 	150 	700 	360 	--
<br />  				06129192       		-16.98	1922	7,700	3,000 	33  	600 	230 	--
<br />  				12110192       		-17.52	19.76	4,900	1,300 	26  	220  	130 	--
<br />  				02104193       		-10.42	12.66	15,000       3,100 	70  	920 	540 	-•
<br />  				05118/93       		-13.62	15.86	8,800	11900 	120 	730 	840 	-
<br />  				08105M3       		-14.50	16.74       29,000       9,400	1,800	2,900	4,900	--
<br />  				11109193       		-15.00	17.24       13,000       3,600 	110 	810 	870 	--
<br />  				01118l94       		-14,74	16.98       24,000       5,600 	100 	1,900	2,300	--
<br />  				06127/94       		-14.01	16.25	8,400	2.300 	59  	520 	700 	--
<br />  				09/29/94       		-15.20	17.44	9,600	2,100 	25  	530 	590 	=
<br />  				12/08/94       		-14.78	17.02	5,700	1,300 	19  	290 	260
<br />  				03/08/95       		-12.52	14.76	4,600	1,100	<25 	230 	280 	--
<br />  				06/01/95       		-10.99	13.23       27,000       4,100	300 	1,800	4,000	--
<br />  				09/11195       		-12.93	15.17       12,000       2,400 	140 	790 	1,900	--
<br />  				12/05195       		-13.46	15.70	8,800	2,500 	32  	450 	710 	--
<br />  				03118196       		-9.21	11.45	5,000 	670  	30  	180 	490 	--
<br />  				06/18196       		-9.36	11,60       30,000       2,300	260 	2,200	7,000	84
<br />  				09124196       		-11.21	13.45       30,000       2,000 	46 	1,800	3,700	67
<br />  				12104196       		-10.76	13.00	7,700 	800  	11  	510 	570	67
<br />  				02125197       		-6.50 	8.74	27,000	1,600	520 	1,800	6,300	52
<br />  				05/06197       		-8.01	10.25 	500  	3.9  	2,4  	2.6  	140	9.0
<br />  				09129197       		-10.18	12.42	1200 	4.0  	1.3  	13  	24	430
<br />  				11125197       		-10.21	12.45	1100 	6.5 	<5.0  	33   	18 	67
<br />  				03126/98       		-3.87 	6.11 	380  	1.1  	<0.5 	6.1  	39 	91
<br />  				06/24/98       		-5.73 	7,97	2,900	<5.0 	-5.0  	51  	200	26
<br />  				09/10/98       		-7.59 	9.83 	950 	4.8  	11   	23  	42	320
<br />  				12/17/98       		-7.79	10.03 	330  	2.5 	0.52 	4.5  	31	270
<br /> 				03/10/99       		-6.38	8.62 	550  	3.2  	1.1  	11   	54 	7.7
<br /> 				06/22/99       		-8.20	10.44 	<50 	<0.5 	<0.5 	<0.5 	<0.5       <2.0
<br /> 				09/13/99       		-8.91	11.15 	87  	0.77 	-0.5 	0.91  	2.6	49
<br />  				12116!99       		-8.92	11.16	<100 	-1.0 	<1.0 	-1.0 	2.2	502
<br /> 				03101100       		4.63 	6.87 	90.7 	<0.5 	<0.5 	2.18 	8.5 	15
<br /> 				06113100       		-6.27 	8.51 	70.8'	-0.500       -0.500	1.40 	2.94       <5.00
<br /> 				09113100       		-8.22	10.46	<50.0       <0.500       -0.500       -0.500       -0.500      -5.00
<br />  				12/14/00       		-7.85	10.09	60.6`	-0.500       <0.500       <0.500       -1,50       217
<br /> 				03102/01   (5) 		-6.16 	8.40 	<50 	-0.50	-0.50	<0.50	-0.50    97011,3009
<br /> 				03702101'   (K) 		-6.16	8.40 	-200 	-2.0 	<2.0 	<2.0 	-2.0	970
<br /> 				05110101       		-5.73 	7.97 	-250 	-2.5 	<2.5 	<2.5 	<2.5       2,100
<br /> 				08121101       		-8.54	10.78	-250 	<2.5 	<2.5 	-2.5 	<2.5       1,700
<br /> 				12/05101       		-8.14	10.38 	120 	<0.5 	<0.5 	<0.5 	0.5	170
<br /> 				03111102       		-5.94 	8.18  	96  	-0.5 	<0.5 	0.6  	0.6       2,200
<br /> 				06107102       		-6.83 	9.07 	160.  	<1.  	<1.   	1,   	1.	1,700.
<br /> 				09124102       		-8.93	11.17 	94.  	<1.  	<1.  	<1.  	-1.       2,500
<br /> 				12/17/02       		-8.03	10.27 	130  	<1.  	<1.  	<1.  	<1.       3,300
<br /> 				03118!03       		-7.12 	9.36 	130  	<1   	<1   	<7   	<1	3,300
<br /> 				06/17/03       		-7.23	9.47 	170  	<1   	<1   	<1   	<1	3.200
<br /> 				09/24/03       		-9.03	11.27 	110  	-1   	<1   	<1   	<1	1,900
<br /> 				12/18/03       		-8.68	10.92 	290 	<0.5 	<0.5 	0.8 	<0.5       1,400
<br />       	k%ChevronG42MPerio4C Monitoangl0 M RN94275_0MRx15
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