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r r.. - r MONITORING.AND REPORTING PROGRAM _2_ WASTE MANAGEMENT OF NORTH AMERICA INCORPORATED FOOTHILL SANITARY LANDFILL INCORPORATED FOOTHILL SANITARY LANDFILL FACILITY CLASS III.•LANDFILL SAN JOAQUIN COUNTY protection standards for each parameter and constituent analyzed. The ground water surface elevation (in feet and hundredths, MSL) in all wells shall be measured on a quarterly basis and used to determine the direction of ground water flow. This information shall be displayed on a water table contour map and/or ground water flow net for the site. Samples from all wells shall be analyzed for the following parameters and constituents: - Sampling Parameter/Constituent Report in Units of & Reporting Frequency Specific Conductance (field) umhos/cm Quarterly.. pH (field) pH units Quarterly 0issolved] or [Total] Organic Carbon �otal mg/1 Quarterly Dissolved Solids (TOS) mg/1 Quarterly - Chloride mg/l Quarterly Sulfatemg/1 Dissolved Ironl mg/l Quarterly Quarterly Carbonate mg/l Quarterly Bicarbonate Alkalinity mg/1 mg/l Quarterly Quarterly Nitrate (as N) mg/l Quarterly Sulfides (including HZS) presence or Volatile Organics2 absence ug/1 Quarterly Annually Aluminuml Antimonyl mg/1 Annually Arsenic mg/l mg/i Annually Annually Cadmiuml Total Chromium (III+VI)1 mg/1 Annually Chromium (VI)' Copp?rl mg/l Annually Lead mg/1 mg/l Annually Annually Manganesel mg/1 Annually Mercur mg/l 'Annually Nickel mg/1 Annually Selenip mg/1 Annually Silver Thaliiuml mg/1 mg/l Annually Annually Zincl mg/l Annually llnductively Coupled Argon Plasma Atomic Emission Spectroscopy (ICAP) may be used for analysis of these constituents only. 2EPA Methods 601 and 602, or FPA Method 624 shall be used. All peaks shall. - be reported.