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AUSTIN ROAD LANDFILL <br />Ground Water Monitoring <br />Sampling date: December 21, 1994 <br />Constituents <br />Units <br />MW1 <br />MW4 <br />W, <br />MW6 <br />MW7 <br />MW10 <br />MWll <br />MW12 <br />MW13 <br />DLR <br />EPA METHOD <br />Field Measurements <br />Temperature <br />Deg C <br />24 <br />20 <br />NR <br />NR <br />23 <br />24 <br />25 <br />21 <br />21 <br />21 <br />21 <br />0 <br />- <br />pH <br />pH <br />7.1 <br />7.10 <br />NR <br />NR <br />7.0 <br />6.6 <br />6.7 <br />7.1 <br />7.0 <br />6.9 <br />6.9 <br />0.1 <br />9040 <br />Specific Conductance <br />umho <br />800 <br />640 <br />NR <br />NR <br />660 <br />320 <br />680 <br />740 <br />820 <br />360 <br />710 <br />1. <br />9050 <br />Laboratory Measurements <br />Carbonate <br />mg/L <br />ND <br />ND <br />NR <br />NR <br />ND <br />12.8 <br />ND <br />ND <br />ND <br />ND <br />ND <br />2.6 <br />310.1 <br />Bicarbonate <br />mg/L <br />392 <br />240 <br />NR <br />NR <br />282 <br />158 <br />55.4 <br />527 <br />438 <br />268 <br />377 <br />2.6 <br />310.1 <br />Chloride <br />mg/L <br />49.4 <br />36.2 <br />NR <br />NR <br />87.7 <br />27.6 <br />25.0 <br />40.9 <br />149 <br />55.3 <br />61.6 <br />1.8 <br />300.0 <br />Sulfate <br />mg/L <br />94. <br />37 <br />NR <br />NR <br />66 <br />23 <br />24 <br />59. <br />49 <br />43 <br />56 <br />5. <br />300.0 <br />Nitrate as N <br />mg/L <br />12 <br />17 <br />NR <br />NR <br />10 <br />1.3 <br />1.2 <br />8.9 <br />7.6 <br />7.7 <br />13 <br />0.1 <br />300.0 <br />Total Dissolved <br />mg/L <br />645 <br />470 <br />NR <br />NR <br />560 <br />285 <br />190 <br />650 <br />730 <br />450 <br />595 <br />10 <br />160.1 <br />solids @ 180 C <br />Alkalinity as CaCO3 <br />mg/L <br />321 <br />197 <br />NR <br />NR <br />232 <br />151 <br />45.5 <br />432 <br />359 <br />220 <br />309 <br />5.0 <br />Calculat <br />Total Sulfide <br />mg/L <br />ND <br />NR <br />NR <br />NR <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />0.1 <br />376.2 <br />Non Volatile Oraanic <br />ma/L <br />ND <br />NR <br />NR <br />NR <br />2.6 <br />ND <br />ND <br />3.6 <br />ND <br />1.6 <br />ND <br />1.0 <br />415.1 <br />Carbon <br />Iron ug/L ND ND <br />ND = None Detected <br />N.R. = Not Reportable, dry well <br />Background Monitoring Well <br />NR NR ND ND ND ND ND ND ND 50 <br />