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Table 4
<br /> Historical Quarterly Groundwater Sample Analytical Results
<br />' Rambo/Earth Grains Facility
<br /> Stockton, California
<br /> Concentration (ug/1)
<br /> Well Date TVH-G Benzene Toluene Ethylbenzene Total Xylenes
<br /> MW-1 7/10187 78,000 6,800 17,000 ND(<O 3) 4,100
<br />' 4/26/88 NS 2,300 9,000 970 81000
<br /> 3/19/90 17,300 5,120 13,000 1,380 10,500
<br /> 12/20/90 9,500 7,100 17,500 11800 14,200
<br /> 4/9192 65,900 1,620 5,850 690 5,120
<br /> 8119192 96,000 4,720 13,700 1,780 14,000
<br /> 12/23/92 88,000 2,650 9,140 740 9,840
<br />' 417193 196,000 2,300 11,200 1,840 15,300
<br /> 7130/93 53,000 1,900 6,500 1,300 11,000
<br /> 10/21/93 41,000 2,200 6,400 1,400 11,000
<br /> 12/29/93 67,000 1,700 4,900 1,500 9,600
<br /> 3123/94 69,000 2,000 71900 1,500 12,000
<br /> 6/7/94 34,000 1,500 5,700 1,200 10,000
<br /> 9/8194 28,000 1,500 3,200 1,200 8,400
<br /> W-2 918/87 ND(<50) ND(<O 3) ND(<O 3) ND(<O 3) ND(<O 5)
<br /> 3/19190 ND(<50) ND(<0 3) ND(<O 3) ND(<O 3) ND(<0 5)
<br /> 12/20/90 ND(<50) ND(<O 3) ND(<O 3) ND(<0 3) ND(<0 5)
<br /> 4/9/92 200 8 8 7 2 2 103
<br /> 3/23/94 1,600 ND(<O 5) 2 7 ND(<0 5) 1 4
<br />' 6/7/94 530 046 ND(<O 3) ND(<O 3) 3 9
<br /> 9/7/94 1,200 2 1 055 ND(<0 3) 0 92
<br />' MW-3 9/8/87 ND(<50) ND(<O 3) ND(<O 3) ND(<0 3) ND(<O 5)
<br /> 3/19/90 ND(<50) ND(<O 3) ND(<0 3) ND(<0 3) ND(<O 5)
<br /> 12/20/90 ND(<50) ND(<0 3) ND(<O 3) NO(<0 3) ND(<0 5)
<br />' 4/9/92 ND(<50) NO(<0 3) ND(<O 3) ND(<O 3) NO(<0 5)
<br /> 7/30/93 ND(<50) ND(<O 3) ND(<O 3) ND(<O 3) ND(<0 5)
<br /> 3/23/94 ND(<50) ND(<O 5) ND(<O 5) ND(<0 5) ND(<0 5)
<br /> 617/94 ND(<50) ND(<O 3) ND(<O 3) ND(<0 3) ND(<O 5)
<br /> 918/94 ND(<50) ND(<O 3) ND(<0 3) ND(<0 3) ND(<O 5)
<br /> MW-4 2/5/88 1,200 75 85 ND(<O 3) 130
<br /> 4/26188 NS 19 21 ND(<O 3) 31
<br /> 3/19/90 ND(<50) ND(<0 3) ND(<O 3) ND(<O 3) ND(<O 5)
<br /> 3123/94 14,000 230 1,300 110 2,400
<br /> 6/7194 7,900 210 1,100 97 2,100
<br /> 9/7/94 6,600 180 710 77 1,500
<br /> B 1CTO 0217072WT03 XLS
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