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i <br /> Table 4. Groundwater Sample Results from Quarterly Monitoring Dated 31 August 2000. <br /> Sample TPH- TPH- Motor MTBE Benzene2 Toluene Ethyl a Total 2 <br /> ID Gasolinei Diesel4 Oats Benzene Xylenes <br />. MW-1 ND 280 ND ND ND ND 0 001 0.0016 <br /> MW-2 0,21 ND 98 0.0200 0.0068 0.0033 0.0031 0.0230 <br /> MW-3 ND ND ND ND ND ND ND ND <br /> iNotes All results shown in ppm <br />. 'Detection limits for analyses on this sample were 0 05 ppm <br /> 2Detection limits for analyses on tins sample were 0 0005 ppm <br />. 3Detection limits for analyses on this sample were 1 ppm <br />. 4Diesel detection limit 0 5 ppm <br /> ND=Not detected at or above the indicated laboratory detection lint <br /> The groundwater was sampled on 20 April 2000 (Quarterly Momtonng Report dated 15 May <br /> 2000) The results, found in Table 5 below, indicate continued contamination of all compounds <br /> in MW-2 The diesel contamination in MW-3 has decreased 50% and the diesel contamination <br /> in MW-1 has remained constant MW-1 also shows reduced ethyl benzene contamination as <br /> well as total xylenes contamination <br /> Table 5 Groundwater Sample Results from Quarterly Monitoring Dated 15 May 2000. <br /> Sample TPH- TPH- Motor MTBE2 Benzene2 Toluene2 Ethyl Total <br /> ID Gasoline' <br /> Diese14 Oils Benzene Xylenes <br /> MW-1 ND 330 ND ND ND ND 0.0006 0.0007 <br /> MW-2 0.28 14 1.20 00045 0.0026 00034 0 001 0.0082 <br />. MW-3 ND 50 ND ND ND ND ND ND <br />. Notes All results shown in ppm <br /> 'Detection limits for analyses on flus sample were 0 05 ppm <br />. 213etection limits for analyses on this sample were 0 0005 ppm <br /> 3Detection limits for analyses on this sample were 1 ppm <br /> 4Diesel detection limit 0 5 ppm <br /> ND=Not detected at or above the indicated laboratory detection limit <br /> Grab samples from MW-I and MW-3 were collected on 22 December 1999 after well <br /> development and purging of the monitoring wells as described in the Work Plan dated 28 <br /> January 1999 and the Report of Investigation dated 3 February 2000 The results of the <br /> laboratory analyses on two groundwater samples are presented in Table 6 below <br /> Environeermg,Inc Project No 01-00109 Page 6 <br />