Laserfiche WebLink
Ms Diane Hinson <br /> March 6, 1990 <br /> Page 4 <br /> Based on field screening results, selected sort samples obtained from the borings were submitted for <br /> laboratory analysis of BTEX and TPH(g) using EPA and DHS approved methods A total of eight <br /> soil samples were submitted for laboratory analysis Analytical results of soil samples submitted by <br /> Delta are summarized in Table 2 Copies of certified analytical reports are contained in Enclosure D <br /> Soil sample analytical results indicate nondetectable levels of petroleum constituents in samples <br /> collected from borings MW-1, MW-4 and MW-6 A soil sample collected from boring MW-3 at 41 <br /> feet below grade also contained nondetectable levels of petroleum constituents The highest TPH(g) <br /> concentrations were contained in soil samples from soil boring MW-2 at 26 feet below grade (89 ppm) <br /> and from boring MW-7 at 31 feet below grade (110 ppm) <br /> TABLE 2 <br /> Soil Boring Soil Sample Analytical Results <br /> Concentrations in parts per million (ppm) <br /> Sample Depth to Collection Ethyl- <br /> Location Meet below gradg Benzene Toluene benzene Xylenes TPH(g)" <br /> MW1-5 26 <005 <01 <01 <01 <1 <br /> MWI-7 36 <005 <01 <01 <01 <1 <br /> MW2-5 26 12 19 096 52 89 <br /> MW2-8 41 15 43 11 57 36 <br /> MW3-5 26 <0 05 <01 <01 <01 13 <br /> MW3-8 41 <0 05 <01 <01 <01 <1 <br /> MW4-5 26 <005 <01 <01 <01 <1 <br /> MW4-7 36 <005 <01 <0I <01 <1 <br /> MW5-6 26 <005 <01 <01 <01 11 <br /> MW5-6 31 005 <01 <01 <01 17 <br /> MW6-7 36 <005 <01 <01 <0I <1 <br /> MW7-4 21 0090 <01 <01 <01 46 <br /> MW7-6 31 18 49 18 12 110 <br /> i <br />