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<br /> City of Everett, Public Works Department, Water Pollution Control Facility <br /> <br />BIOSOLIDS SAMPLING & ANALYSIS PLAN 5 <br /> <br />Table 2 – Schedule of Biosolids and Pond Sampling <br />Month Type of <br />Sampling <br />Location Frequency Required By/For Notes <br />January <br />Metals, TS, <br />Pathogens <br />AC2 Biannually <br />(1/3) <br />GBP*, AR** Results required prior to <br />start of dredging contract <br />Metals, TS, <br />Pathogens <br />Recirc <br />Channel <br />Biannually <br />(1/3) <br />GBP, AR <br />February – Contract Dredging Project <br />February - <br />March <br />Solids Nutrient <br />Sampling <br />Biosolids <br />Pad <br />Annually <br />(1/1) <br />GBP, Hauling and <br />Application Bid <br />& SSLAP <br />Sample on dewatered solids <br />from dredging contract <br />April <br />Marshland Soil <br />Sampling <br />Marshland <br />Site <br />Biannually <br />(1/2) <br />COE Marshland <br />Soil SAP <br /> <br />Pond Solids <br />Survey <br />Dredged <br />area <br />Post dredging Pond Tracking Approximate date, after <br />dredging project is complete <br />Pond Bottom <br />Survey <br />Dredged <br />area <br />Post dredging Requested by <br />Ecology <br />May – Contract Hauling and Application <br />May <br />Metals, TS, <br />Pathogens <br />AC2 Tri-annually <br />(2/3) <br />GBP, AR <br />Metals, TS, <br />Pathogens <br />Recirc <br />Channel <br />Tri-annually <br />(2/3) <br />GBP, AR <br />August <br />Pond Bottom <br />Survey <br />AC2 Annually <br />(1/1) <br />Requested by <br />Ecology <br /> <br />Pond Bottom <br />Survey <br />Recirc <br />Channel <br />Annually <br />(1/1) <br />Requested by <br />Ecology <br /> <br />Pond Bottom <br />Survey <br />Oxidation <br />Pond <br />Annually <br />(1/1) <br />Requested by <br />Ecology <br /> <br />September <br />Metals, TS, <br />Pathogens <br />AC2 Tri-annually <br />(3/3) <br />GBP, AR, <br />Dredging Bid <br /> <br />Results used in dredging bid <br />for the subsequent year at <br />relevant location <br />Metals, TS, <br />Pathogens <br />Recirc <br />Channel <br />Tri-annually <br />(3/3) <br />GBP, AR, <br />Dredging Bid <br />Metals, TS, <br />Pathogens <br />Oxidation <br />Pond <br />Annually <br />(1/1) <br />GBP, AR, <br />Dredging Bid <br />September- <br />October <br />Pond Solids <br />Survey <br />AC2 Annually <br />(1/1) <br />Dredging Bid <br />Results used in dredging bid <br />for the subsequent year at <br />relevant location <br />Pond Solids <br />Survey <br />Recirc <br />Channel <br />Annually <br />(1/1) <br />Dredging Bid <br />Pond Solids <br />Survey <br />Oxidation <br />Pond <br />Annually <br />(1/1) <br />Dredging Bid <br />Marshland Soil <br />Sampling <br />Marshland <br />Site <br />Biannually <br />(2/2) <br />COE Marshland <br />Soil SAP <br />Approximate date, after <br />crop cutting on each <br />individual field <br />December <br />VAR AC2 Annually <br />(1/1) <br />GBP, AR Results required prior to <br />start of dredging contract <br />VAR Recirc <br />Channel <br />Annually <br />(1/1) <br />GBP, AR <br />*GBP – 2022 Statewide General Permit for Biosolids Management (General Biosolids Permit) <br />**AR – Biosolids Annual Report