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TABLE 5-2 (continued) <br /> SUMMARY GROUND WATER SAMPLE ANALYTICAL RESULTS <br /> HALOGENATED VOLATILE ORGANICS <br /> .:. . <br /> �«>< <br /> .. <br /> ##xlagcd:.t� ee� air< luprra,►dsrgt1)� <br /> �e.... <br /> ,:...: <br /> Aoailuc#n . <br /> 'Yat................. <br /> ............................ � _. : <br /> . . . . .: <br /> : ......S :. rv }a#baae �. :.. :.;..:....;...:.:..;.:.:.:.. <br /> :: .: . : ; . :#. :: ; . <br /> 3rd qtr-1990 <1.0 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <:0.50 <0.50 <br /> 4th qtr-1990 19 <5.0 <0.50 4.1 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 1st qtr-1991 5.8 <5.0 <0.50 3.5 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 2nd qtr-1991 21 (13) 5.2(<5.0) <0.50 3.1 (2.9) <0.50 <0.50 <0.50 <0. 50 NA NA <br /> 3rd qtr-1991 12 1.8 <1.0 2.4 <1.0 <1.0 <1.0 5.7 <1.0 <1.0 <br /> 4th qtr-1991 21 <5.0 <0.50 2.2 <0.50 <0.50 <0.50 <0.50 <1.0 <1.0 <br /> 1st qtr-1992 17 <5.0 <0.50 2.5 <0.50 <0.50 <0.50 <0.50 <1.0 3.7 <br /> 2nd qtr-1992 6.8 <5.0 <0.50 2.6 <0.50 <0.50 <0.50 <0.50 1 1.7 <br /> 3rd qtr-1992 5.3 <5.0 <0.50 2.9 <0.50 <0.50 <0.50 <0.50 8.7 2.4 <br /> 4th qtr-1992 5 <5.0 <0.50 2.6 <0.50 <0.50 <0.50 <0.50 <1.0 <1.0 <br /> 1st qtr-1993 4.6 <5.0 <5.0 21 <0.50 <0.50 <0.50 <0.50 <5.0 <5.0 <br /> MW-6A 2nd qtr-1993 2.7 <5.0 <5.0 2.7 <0.50 <0.50 <0.50 <0.50 <10 <20 <br /> 3rd qtr-1993 11 <5.0 <5.0 4.4 <0.50 <0.50 <0.50 <0.50 <1.0 <1.0 <br /> Number of Detects 12 2 0 12 0 0 0 1 2 3 <br /> Number of Analyses 13 13 13 13 13 13 13 13 12 12 <br /> Percent Detected 92 15 ND 92 ND ND ND 8 17 25 <br /> Minimum Concentration 0.5 2.5 ND 0.25 ND ND ND 0.25 0.25 0.25 <br /> Detected <br /> Maximum 21 5.2 ND 4.4 ND ND ND 5.7 8.7 3.7 <br /> Concentration Detected <br /> Average Concentration 10.13 0.96 ND 2.72 ND ND ND 0.67 1.02 0.84 <br /> Geometric Mean 7.13 0.66 ND 2.36 ND ND ND 0.32 0.38 0.44 12.29 <br /> Concentration <br /> Standard Deviation 7.21 1.32 ND 1.02 ND ND ND 1.51 2.43 1.15 <br /> !u/csing/tracy/ri/tables/ritbl-5-2 5-2-12 _ <br />