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0.5ug/1 as required by the SJCEHD. <br /> • The results of the analysis of the soil samples in parts per <br /> million (PPM) are shown in Table 1. The laboratory data sheets <br /> with detection limits and COC documentation are contained in <br /> Appendix B. <br /> TABLE 1 <br /> Soil Sample Analysis Results in PPM. <br /> Sample ID TPHG B T E X <br /> MW-1 5f ND ND ND ND ND <br /> MW-1 10, 13 . 049 . 019 . 025 . 015 <br /> MW-1 15' 10 . 057 . 038 . 014 . 019 <br /> MW-2 5F ND ND ND ND ND <br /> MW-2 101 ND ND ND ND ND <br /> MW--3 5' ND ND ND ND ND <br /> MW-3 10' 80 ND . 19 1. 1 1. 6 <br /> ND = No --Detect-ed <br /> I <br /> iThe results of the analysis of the groundwater samples in parts per <br /> billion (ppb) are shown in Table 2 . The laboratory data sheets <br /> with detection limits and COC documentation are contained in <br /> Appendix B. <br /> TABLE 2 <br /> Groundwater Sample Analysis Results in ppb. <br /> Sample ID TPHG B T E X <br /> MW-1 1,400 8 . 1 1.6 13 89 <br /> MW-2 2, 100 33 ND ND 44 <br /> MW-3 13, 000 120 22 130 920 <br /> ND = Not Detected <br /> The concentrations of TPHG and BTEX in the groundwater are high. <br /> However, the results obtained in the first sampling of newly <br /> constructed wells may not be representative. JPCA recommends that <br /> approximately six weeks or about the middle bf July the wells be <br /> surged and pumped to increase their capacity to recharge more <br /> quickly. Prior to the surging and purging water depth measurements <br /> should be take for gradient calculations. Quarterly sampling for <br /> a year, commencing during the first week in September, should be <br /> 7 <br />