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MONITORING AND REPORTING PROGRAM FOR -3- CITY OF STOCKTON AUSTIN ROAD LANDFILL FACILITY CLASS III LANDFILL SAN JOAQUIN COUNTY ' Inductively Coupled Argon Plasma Atomic Emission Spectroscopy (ICAP) may be used for analysis of these constituents only. 2 EPA Methods 601 and 602, or EPA Method 624 shall be used. All peaks shall be reported. The Discharger shall determine at each sampling whether there is a statistically significant increase over water quality protection standards for each parameter and constituent analyzed. The ground water surface elevation (in feet and hundredths, M.S.L. ) in all wells shall be measured on a quarterly basis and used to determine the velocity and direction(s) of ground water flow. This information shall be displayed on a water table contour map and/or ground water flow net for the site. SURFACE WATER MONITORING The North fork of South Little Johns Creek shall be sampled upstream and downstream of the waste management facility at the locations shown on Attachment "B" , which shall constitute the points of compliance for surface waters. Surface water samples shall be analyzed on a quarterly basis for the following: Report in Parameter/Constituent Units Of Total Organic Carbon mg/l Specific Conductance (field) Nmhos/cm pH (field) pH units Total Dissolved Solids mg/l Hardness (as CaCO3) mg/l WATER QUALITY PROTECTION STANDARDS Standards for Surface Waters Monthly surface water samples shall be taken from the locations shown on Attachment "B" for one year and analyzed for each of the parameters and constituents listed under "SURFACE WATER MONITORING" above. Analyses shall account for measurement errors in sampling and analysis. Data from these analyses shall be reported to the Board in accordance with the time schedule contained in Provision C.17 of the WDRs for use by the Board in determining water quality protection standards for surface waters at the site.