|
1
<br /> Table 1 Summary of Sod Analytical Data
<br /> J.M. EQuipment
<br /> 1245 Charter Way
<br /> Stockton, California
<br />' Project No 507 2
<br /> Date Borehole Sample Benzene Toluene Ethyl Total MTBE Gasoline
<br />' Depth ug/Kg ug/Kg Benzene Xylenes ug/Kg mg/Kg
<br /> (ft) ug/Kg ug/Kg
<br /> 4/5/99 SB-1 15' ND(<3) ND(<3) NDI<3) ND(<3) ND(<50) ND(< 1)
<br /> 4/5/99 SB-2 12 5-13' ND(<3) ND{<3) ND(<3) ND(<3) ND(<50) ND(< 1)
<br /> 20 5-21' ND(<3) ND(<3) ND(<3) ND(<3) ND(<50) ND(< 1)
<br /> 30 5-31' 553 12 25 30 ND(<50) 4
<br /> 416199 SB-3 10 5-11' ND(<3) 4 ND(<3) 6 ND(<50) ND(< 1)
<br />' 20 5-21' 986 2,110 23,500 45,100 <2,000 1,580
<br /> 30 5-31' 92 63 331 264 ND(<50) 40
<br /> 4/6/99 SB-4 15 5-16' 16,800 216,000 79,600 382,000 <2,000 5,190
<br /> 20 5-21' 63,400 41,800 129,000 689,000 2,500 (ND<2,50 9,870
<br /> 305-31 2,770 2,740 2,300 1 8,650 210** 107
<br /> 4/6199 SB-5 15' ND(<3) ND(<3) ND(<3) ND(<3) ND(<50) ND(< 1)
<br /> 4/5/99 SB-109 10 5-11' 1,730 8,820 9,300 54,100 <200 779
<br />' 20 5-21' 20,500 101,000 54,600 310,000 < 1,000 4,120
<br /> 25 5-26' 2,060 903 2,400 4,010 444** 143
<br /> 35 5-36' 1,900 427 271 917 ND(<50) 10
<br /> 50 5-51' 8 7 6 22 ND(<50) ND(< 1)
<br /> 60 5-61' ND(<3) ND(<3) ND(<3) 7 ND(<50) ND(< 1)
<br /> 70-70 5' 15 18 11 47 ND(<50) ND(< 1)
<br />' 4/6199 JM-1/MW-4 155-16' ND(<3) ND(<3) ND(<3) 6 ND(<50) NDI< 1)
<br /> 25 5-26' 2,030 523 1,970 5,460 ND(<50) 145
<br /> 35 5-36' 22 36 6 20 ND(<50) ND(< 1}
<br /> ' 4/6/99 JM-3/MW-5 20 5-21' 9,150 24,800 20,700 106,000 <2,000 1,420
<br /> 255-26' 3,950 8,020 5,800 24,500 225** 384
<br /> ' 30 5-31' 429 55 235 744 ND(<50) 12
<br /> 35 5-36' 7 4 5 17 ND(<50) NDI< 1)
<br /> ' 4/5/99 JM-2/MW-6 15 5-16' ND(<3) ND(<3) ND(<3) ND(<3) ND(<50) ND(< 1)
<br /> 25 5-26' ND(<3) ND(<3) ND(<3) ND(<3) ND(<50) ND(< 1)
<br /> 355-36' ND(<3) I ND(<3) 1 ND(<3) ND(<3) ND(<50) NO(< 1)
<br /> ND= non detect, (detection limits in parantheses)
<br /> *` MTBE result not confirmed by EPA method 8260
<br /> MTBE value in {I was performed by EPA method 8260
<br /> ' Sieo�rca!?cc�irres7ric 03/22/2000
<br />
|