Laserfiche WebLink
TABLE 5-4 (continued) <br /> SUMMARY GROUND WATER SAMPLE ANALYTICAL RESULTS <br /> TOTAL CHROMIUM, Cr+6, AND TOTAL LEAD <br /> 3rd qtr-1990 NI Ni NI <br /> 4th qtr-1990 Nl N1 N1 <br /> 1st qtr-1991 0,26 NA 0.03 <br /> 2nd qtr-1991 0.14 NA <0.0050 <br /> 3rd qtr-1991 0.2 NA <0.0050 <br /> 4(h qtr-1991 0.17 NA <0.0050 <br /> 1st qtr-1992 0.16 0.16 NA <br /> 2nd qtr-1992 0.16 0.15 NA <br /> 3rd qtr-1992 0.16 0.15 NA <br /> 4th qtr-1992 0.13 0.13 <0.0050 <br /> MW-13B 1st qtr-1993 0.19 0.13 NA <br /> 2nd qtr-1993 0.12 0.14 NA <br /> 3rd.qtr-1993 0,13 0.15 NA <br /> Number of Detects 11 7 t <br /> Number of Analyses 11 7 5 <br /> Percent Detected 100 100 20 <br /> Minimum Concentration Detected 0A20 0.130 0.0025 <br /> • Maximum Concentration Detected 0.260 0.160 0.030 <br /> Average Concentration 1 0,165 0.144 0.008 <br /> Geometric Mean Concentration' 0,162 0.144 0.004 <br /> Standard Deviation 0,040 1 0.011 1 0.012 <br /> 3rd qtr-1990 NI NI NI <br /> 4th qtr-1990 NI NI NI <br /> 1st qtr-1991 0.012 NA <0.0050 <br /> 2nd qtr-1991 0.005 NA <0.0050 <br /> 3rd qtr-1991 0.0051 NA <0.0050 <br /> 4th qtr-1991 0.02 NA <0,0050 <br /> 1st qtr-1992 0.0073 <0.010 <0.0050 <br /> 2nd qtr-1992 0.0046 <0.010 NA <br /> 3rd qtr-1992 0.0057 <O.Oio NA <br /> 4th qtr-1992 0.0035 <0.010 <0.0050 <br /> MW-14A 1st qtr-1993 0.0038 <0.010 NA <br /> 2nd qtr-1993 0.0021 <0,010 NA <br /> 3rd qtr-1993 0.002 <0.010 NA <br /> Number of Detects 11 0 0 <br /> Number of Analyses 11 7 6 <br /> Percent Detected 100 ND ND <br /> Minimum Concentration Detected 0.002 ND ND <br /> Maximum Concentration Detected 0.020 ND ND <br /> Average Concentration 0.006 ND ND <br /> Geometric Mean Concentration` 0.005 ND ND <br /> Standard Deviation 0.005 ND ND <br /> lu!c3ing/tracy/ri/tables/ricbl5-4 5-442 <br />