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EMCON <br /> 1 <br /> Table 1 Project 0939-004.08 <br /> 2/14/95 <br /> FOURTH QUARTER 1994 AND 5-YEAR CONSTITUENTS OF CONCERN MONITORING RESULTS <br /> FOOTHILL LANDFILL <br /> Sample Type:Water <br /> Units:m I,unless noted <br /> Sample Designation LW-1 Concentration MW-1 Concentration MW-2 Concentration <br /> Sam2ling Date 11/28/94 Limit 11/28/94 Limit 11/28/94 Limit <br /> Quarterly Monitoring and Feld Parameters <br /> Top of Casing Elevation(ft'MSL) — 256.25 269.95 <br /> Depth to Water(ft)" --- 200.24 - 219.13 <br /> Groundwater Elevation(ft/MSL) — 56.01 50.82 -- <br /> Volatile Organic Compounds <br /> (EPA Method 8260) <br /> All Compounds ND Detect ND Detect ND Detect <br /> General Water Quality Parameters <br /> Chloride 9.5 12 6.3 14 6.6 18 <br /> Nitrate-Nitrogen 1.2 0.076 2.4 0.2 2.9 0.1 <br /> Total Dissolved Solids 182 279 186 273 162 273 <br /> Sulfate 15 18 6.5 8.5 1.5 11 <br /> pH(std.units)(field) 7.68 NE 8.48 NE 7.76 NE <br /> Electrical Conductivity(umhos/cm)(field) 313 NE 287 NE 242 NE <br /> Turbidity(NTU)(field) 1.6 NE 36.9 NE 4.2 NE <br /> Temperature(oC)(field) 17.3 NE 13.7 NE 15.7 NE <br /> Only organic compounds detected in one or more samples are listed. <br /> ft/MSL=feet mean sea level <br /> NE=Not Established <br /> ND=Not Detected <br /> I:\93904\QTR.XLS <br />