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M&M Work Schedules

Wastewater Treatment Plants

Daily Laboratory Tests

·       Collect and analyze influent and effluent samples for BOD, D.O., pH, settleable solids, TSS, TKN, ammonia, nitrates, oil and grease, phosphorus, and temperature

·       Collect and analyze primary effluent samples for BOD, D.O., pH, settleable solids, TSS, and temperature

·       Collect and analyze samples from the aeration tank, final clarifier, return sludge, and waste sludge for TSS, ATC, depth of blanket, D.O., MLSS or MLVSS, RSC, and settleometer

Þ    For ammonia removal, collect and analyze sample of aeration tank influent for alkalinity

·       Examine activated sludge floc microscopically

·       Collect and analyze raw sludge sample for total solids, volatile solids, and pH

·       Collect and analyze effluent samples for chlorine residual, coliforms, and turbidity

·       Collect and analyze sludge samples from the anaerobic digesters for pH, volatile acids, alkalinity, and total and volatile solids

·       Collect and analyze sludge samples from the aerobic digester for D.O., MLSS, and total and volatile solids

·       Collect and analyze anaerobic digester supernatant samples for total and volatile solids

·       Collect and analyze samples from the digested sludge to drying beds for total and volatile solids

·       Calibrate lab equipment

Þ    Change pH buffers

·       Properly tag samples

·       Record data

Þ    Lab results

Þ    Calibration data

Þ    Complete chain of custody paperwork

·       Set-up samples for next day

Return to M&M Work Schedules

For more information, call 515-232-1663