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UniFirst Corporation <br />The permittee, UniFirst Corporation, located at 819 N. Hunter Street, shall perform the <br />following self-monitoring sample program effective June 1, 2013, and continuing until the <br />expiration of this permit: <br />Sample Point Locations <br />Sample Point No. <br />Sample Point Description <br />A <br />Flow, pH and Temperature Chart Recorder <br />B <br />Automatic 24-hour Composite Sampler <br />C <br />Final Effluent Discharge Flume <br />Sample <br />Discharge Limit <br />Parameter <br />Sample <br />Sample <br />Location <br />(1)lnstantaneous maximum <br />Frequency <br />Type <br />diagram <br />(2)Daily maximum <br />attached <br />(3)Monthly maximum <br />Flow <br />Continuous <br />Metered and recorded <br />A <br />2,250,000 gallons per month - <br />local limit (3) <br />pH <br />Continuous <br />Metered and recorded <br />A <br />5.0-10.0 - local limit (1) <br />Temperature <br />Continuous <br />Metered and recorded <br />A <br />150°F — local limit (1) <br />Biochemical <br />2 per week <br />24 hour flow proportional <br />B <br />10,816 pounds per month - <br />Oxygen Demand <br />composite, representative <br />local limit (3) <br />(BOD) <br />of reporting period. <br />Total Suspended <br />2 per week <br />24 hour flow proportional <br />B <br />4,439 pounds per month — <br />Solids (TSS) <br />composite, representative <br />local limit (3) <br />of reporting period. <br />Total Dissolved <br />1 per month <br />24 hour flow proportional <br />B <br />NA <br />Solids (TDS) <br />composite, representative <br />of reportin ;period <br />TDS Ions: <br />1 per 3 months <br />24 hour flow proportional <br />B <br />NA <br />Calcium <br />composite, representative <br />Magnesium <br />of reporting period <br />Sodium <br />Potassium <br />Ammonium <br />Bicarbonate <br />Sulfate <br />Chloride <br />Nitrate <br />Cadmium <br />1 per month <br />24 hour flow proportional <br />B <br />2.0 mg/L — (2) local limit <br />composite, representative <br />of reporting period <br />Chromium <br />1 per month <br />24 hour flow proportional <br />B <br />5.0 mg/L — (2) local limit <br />composite, representative <br />of reporting period <br />