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<br /> TABLE 2
<br /> E GROUNDWATER ANALYTICAL DATA
<br /> FORMER DIAMOND LUMBER SITE
<br /> MANTECA,CALIFORNIA
<br /> Well No Date Volatile Benzene Toluene Ethyl- Xylene Lead
<br /> Hydrocarbons benzene
<br /> ( ttl) (ug(l) 09% (nV (nom
<br /> ' BEI-MWI 12/13/89* 2,700 51 54 17 72 NA
<br /> 10/15/91 4,200 550 ND(0 5) 180 360 330
<br /> 12/24/91 NA NA NA NA NA NA
<br /> 04/06/92 NA NA NA NA NA NA
<br /> ' 08/3I/92 6,200 1,100 380 340 980 310
<br /> 02/05/93 1,500 1607 13 476 393 46
<br /> 06/00/93 160 ND(0 5) 13 ND(0 5) 59 ND(1)
<br /> 11/00/93 460 70 ND(0 5) 11 62 320
<br /> 03/14/95 2,000 110 27 53 110 ND(50)
<br /> 06/30/95 1,000 60 2 4 15 ND(2)
<br /> 09/22/95 420 14 2 32 81 ND(1)
<br /> 12/18/95 7,000 190 38 100 130 ND(1)
<br /> ' 03/13/96 10,000 380 20 380 1,000 NA IDF tU
<br /> 06/12/96 11,000 300 31 370 710 NA OF-5
<br /> BEI-MW2 12/13/89 3,600 100 36 23 89 NA
<br /> 10/15/91 1,500 86 14 79 140 28
<br /> 12/24/91 NA NA NA NA NA NA
<br /> 04/06/92 NA NA NA NA NA NA
<br /> 08/31/92 3,100 360 68 62 640 24
<br /> 02/05/93 2,800 1909 66 103 6944 12
<br /> t 06/00/93 11,000 1,800 62 520 2,200 8
<br /> 11/00/93 4,600 630 53 110 820 58
<br /> 03/14/95 NA NA NA NA NA NA
<br /> ' 06/30/95 4,500 310 10 110 250 ND(2)
<br /> 09/22/95 2,100 330 10 27 42 ND(l)
<br /> 12/I8/95 3,400 110 15 79 360 ND(1)
<br /> 03/13/96 5,200 160 72 130 300 NA F,)-
<br /> 06/12/96
<br /> ,)-06/I2/96 9 00 85 10 160 310 NA
<br /> BEI-MW3 12/13189• 37,000 790 1,000 430 1,400 NA
<br /> 10/15/91 59,000 9,400 10,000 1,200 7,300 95
<br /> 12/24/91 NA NA NA NA NA NA
<br /> 04/06/92 NA NA NA NA NA NA
<br /> 08/31/92 39,000 10,000 6,100 940 7,000 75
<br /> 02/05/93 40,000 7,660 3,025 885 9,500 41
<br /> 06/00/93 35,000 8,600 4,700 800 7,100 5
<br /> 11/00/93 25,000 5,200 990 ND(20) 5,500 61
<br /> 03/14/95 57,000 6,400 2,800 1,100 6,900 ND(50)
<br /> ' 06/30/95 44,000 7,000 2,800 1,100 7,200 3
<br /> 09/22/95 39,000 7,000 1,200 950 5,900 44
<br /> 12/18/95 25,000 3,800 1,100 730 4,100 18
<br /> 03/13/96 33,000 5,000 5,000 980 6,200 NA
<br /> 06/12/96 34 000 3,900 3,500 800 5.200 NA 1) f= S O
<br /> + ug/l Merograms per liter '
<br /> NI No sample collected,monitoring well had not been installed yet
<br /> NA Not analyzed
<br /> ND(1) Not detected at method detection limit
<br /> ' Analytical results for BEI-MW I and BEI MW3 for the 12/13/89 sampling event
<br /> have been switched There appears to have been an error in the designation
<br /> of the wells during the initial sampling
<br />
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