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2017 Annual Biosolids Report 6. Biosolids Sent To and From: Amount (dry tons) Facility, Permit Number, and Subtotal: Pollutants Exceeding Table 1 Values: Facility for further treatment Pollutants Exceeding Table 3 Values: ❑As ❑Cd ❑Cu ❑Hg ❑Mo ❑Ni ❑Pb ❑Se ❑Zn o 0 Beneficial Use Facility (BUF) ❑ Alternative 3 (PSRP equivalent) Septage w Landfill for disposal ❑ Incorporation ❑ Did not meet requirement—explain: ® pH stabilization: submit purchase invoices for lime Incinerator (including on-site) Facility for further treatment 'U Beneficial Use Facility (BUF) m cc Septage (gallons) 98.30 Ryegrass 7. Pollutants (not applicable to septage unless required by permit; see WAC173-308-160) Number of pollutant monitoring events in the past year: 0 Pollutants Exceeding Table 1 Values: ❑As [-]Cd ❑Cu ❑Hg ❑Mo ❑Ni ❑Pb ❑Se []Zn Pollutants Exceeding Table 3 Values: ❑As ❑Cd ❑Cu ❑Hg ❑Mo ❑Ni ❑Pb ❑Se ❑Zn 8. Give a brief description of your biosolids handling and any comments 9. Pathogen Reduction (check all that apply; see WAC 173-308-170 or WAC 173-308-270L31) Class A Class B ❑ Alternative 1 (time/temperature) ❑ Alternative 1 (7 samples) ❑ Alternative 2 (pH/time/temperaturel% solids) Alternative 2 (process to significantly reduce pathogens [PSRP]) ❑ Aerobic digestion ❑ Air drying ❑ Anaerobic digestion ❑ Composting ❑ Liming (septage, see below) Alternative 3 (process to further reduce pathogens [PFRP]) ❑ Composting ❑ Heat drying ❑ Heat treatment ❑ Pasteurization ❑ Beta ray irradiation ❑ Gamma ray irradiation ❑ Thermophilic aerobic digestion ❑ Alternative 4 (PFRP equivalent) ❑ Alternative 3 (PSRP equivalent) Septage ❑ Sent for Further Treatment Receiving Facility Permit No: ❑ Injection ❑ Incorporation ❑ Did not meet requirement—explain: ® pH stabilization: submit purchase invoices for lime Page 3 of 4