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FZZMA <br /> Working To Restore Nature <br /> ethylbenzene (0 16 ppm), xylenes (0 79 ppm), and TPHg (4 8 ppm) were present In the 15 <br /> foot sample collected from SB3 toluene (0 0080 ppm), and xylenes (0 025 ppm) were present <br /> ' In the 20 foot sample collected from SB3 benzene (1 4 ppm), toluene (20 ppm), ethylbenzene <br /> (20 ppm), xylenes (110 ppm) and TPHg (1200 ppm) were present. In the samples collected <br /> ' from SB4 at 15, 20.5, and 24 feet, and SB5 at 13 5, 18 5, and 23 5 feet petroleum hydrocarbon <br /> analytes were not present at or above method detection limits Results are summarized in Table <br /> ' IA. Laboratory data sheets and chain of custody documentation are included in Appendix III <br /> ' Analytical Results - Groundwater <br /> The groundwater samples collected from wells MW8 and MW9 and hydropunch samples from <br /> ' SB3, SB4 and SB5 were analyzed for BTEX and TPHg Additionally, the samples collected <br /> from MW8 were analyzed for TPHd and HVOs Petroleum hydrocarbon analytes were not <br /> present at or above method detection limits in the sample from well MW8 The sample collected <br /> from MW9 contained TPHg (96,000 part per billion [ppb]), benzene (1,500 ppb), toluene <br /> (16,000 ppb), ethylbenzene (3,700 ppb), and xylenes (18,000 ppb) The sample collected from <br /> ' SB3 contained TPHg (320,000 ppb), benzene (28,000 ppb), toluene (61,000 ppb), ethylbenzene <br /> (5,700 ppb) and xylenes (31,000 ppb) The sample collected from SB4 contained TPHg (630 <br /> ' ppb), benzene (19 ppb), toluene (31 ppb), ethylbenzene (2 7 ppb) and xylenes (100 ppb) In the <br /> sample collected from SB5 TPHg (570 ppb), benzene (14 ppb), toluene (10 ppb), and xylenes <br /> I <br /> (81 ppb) were present. Results are summarized in Table 2 Laboratory data sheets and chain <br /> jof custody documentation for the hydropunch and groundwater samples are presented in <br /> ' Appendix III and IV <br /> ' CONCLUSIONS/RECOMMENDATIONS <br /> Madison Street Property <br /> The lateral extent of soil and groundwater contamination from the former underground gasoline <br /> 1 <br /> storage tanks on the Madison Street property is fully defined Figure 5 depicts the "zero line" <br /> 1 <br /> s j 50070\REMRTs\SR-06%FNL 11 <br /> 1 <br />