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								       													Ta&l										•
<br />       									Groundwater Monitoring ww and Analytical Results
<br />     											Chevron Service Station#9-4275      										ar
<br />      											2905 West Benjamin Holt Drive
<br />     												Stockton,California
<br />								E 						.........			......       ........
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<br />      	WELL  																				........
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<br />       																								MTBE
<br />     				.............. .     ................. ..       		... ................ ..........		.................... ..........
<br />       																			(PPS)
<br /> 																				pbY:......    				..........
<br />      	MW-2
<br />      	03122/89 		3,41      	-14.13      	17-54      	9,000       	750		20		480		730
<br />      	06112/89 		3.41      	-14.78      	18.19       	ND       	1,200       	80		710		870
<br />      	06/12/89     (D)	3.41 		--  		--       	11,000     	1,400       	90		790       	1,100
<br />      	09/07/89 		3.41      	-16.25      	19.66     	14,000     	3,200       	ND       	1,200       	800
<br />      	12/18/89 		3.41      	-15.44      	18.85     	10,000     	2,500       	ND       	1,300       	340
<br />      	03/20/90 		3.41      	-15.08      	18.49     	13,000     	4,800       	88       	2,100      	1,500
<br />      	07/03/90 		3.41      	-15.66     	19.07     	21,000     	5,700       	600       	1,900      	1,700
<br />      	07/03/90     (D)	3.41		--  		--       	14,000     	5,000       	400       	2,000       	920
<br />       	10119/90 		3.41      	-1665     	20.06     	11,000     	4,400       	77 		190		340
<br />      	01/17/91 		3.41      	-16.90     	20.31     	16,000     	5,400       	68		1,600       	280
<br />      	03119/91 		3.41 		--  		--		8,700      	4,300       	50		1,500       	260
<br />      	07/18/91 		3.41      	-17.07     	20.48      	6,200      	1,100       	6.0		710		89
<br />       	10/31/91 		3.41      	-17.46     	20.97     	32,000     	2,900       	ND       	1,800      	2,700
<br />       	10/31/91     (D)	3.41 		--  		--       	33,000     	2,900       	ND       	1,800      	2,700
<br />      	01/16/92 		3.41      	-16,65     	20.06     	14,000     	2,400       	21		1,100       	840
<br />      	03/11/92 		3.41      	-15.49      	M90		--  		--  		--  		--  		--
<br />      	03/17192 		141      	-15,45      	18.86     	13,000     	3,900       	26		890       	1,100
<br />      	06129/92 		3.41      	-17.04     	20.45     	20,000     	2,800       	97       	2,200		17
<br />       	12/10/92 		3.41      	-17.62     	21.03      	9,900      	1,600       	8.0       	1,100       	930
<br />       	02/04/93 		3.41      	-15.53      	18,94     	10,000     	1,100       	82		820		730
<br />       	05/18/93 		3.41      	-13.73      	17.14      	9,700      	2,000       	25		1,000       	520
<br />       	08/05/93 		3.41      	-14.57      	17.98      	8,100      	1,400		11 		880		820
<br />       	11/09193 		3.41      	45.10      	18.51      	7,400       	920		20		740		140
<br />       	01/18/94 		3.41      	-14.80      	18.21      	2,500       	330 		12		270		91
<br />       	06/27/94 		3.41      	-14-09      	17.50      	6,500      	1,400		11 		630		250
<br />       	09/29/94 		3.41      	-15.28      	18.69     	15,000      	900		ND       	1,600       	87
<br />       	12/08/94 		3.41      	-14.87      	18.28      	8,000       	440		<10		870		470
<br />       	03/08195 		3.41      	-12.71      	16.12      	2,200       	170		3.0		230		150
<br /> 		9-4275-NF
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