COMPLIANCE INFO_1991-2006 - Laserfiche WebLink

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MONITORING AND REPORTING PROGRAM CITY OF MANTECA SLUDGE APPLICATION TO LAND SAN JOAQUIN COUNTY -3- 2. Soil/sludge mixtures shall be similarly obtained from the upper 6 inches of the field during January or February. One sample shall be analyzed from each field. WASTEWATER MONITORING The wastewater effluent applied to the fields shall be sampled as follows: Sampling Constituents Units Station Frequency pH' _ pH units Effluent QuarterlyZ Temperature' OF (°C) Effluent QuarterlyZ Total Metals' mg/l Effluent Quarterly Electrical Conductivity' /mmhos/cm Effluent QuarterlyZ Nitrates (as N) mg/l Effluent QuarterlyZ Total Nitrogen mg/l Effluent QuarterlyZ ' Field measurements. Z During periods of discharge of wastewater effluent to fields. 3 Cadmium, copper, lead, nickel , and zinc. STORM WATER RUNOFF/IRRIGATION RETURN WATER MONITORING All sampling performed under this section shall consist of grab samples. Samples shall be collected from the irrigation water return recycling system (R-1), if used, and a storm water runoff sampling location (R-2) . These sampling locations will be established by Regional Board staff. R-1 and R-2 shall be sampled as follows: Sampling Constituents Units Station Frequency Dissolved Oxygen' mg/1 R-1 or R-23 Quarterly pH' pH Units R-1 or R-23 Quarterly Total Coliform MPN/100 ml R-1 or R-23 Quarterly Fecal Coliform MPN/100 ml R-1 or R-23 Quarterly Fecal Streptococci MPN/100 ml R-1 or R-23 Quarterly Temperature' OF (°C) R-1 or R-23 Quarterly Total Metal S2 mg/1 R-1 or R-23 Quarterly Electrical Conductivity' ,umhos/cm R-1 or R-23 Quarterly ' Field Measurements. Z Cadmium, copper, lead, nickel , and zinc. 3 Sample collected from R-1 in summer when irrigation return system is being used, and R-2 during winter months.