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<br />. <br /> <br />IV. PLANT OPERATION <br /> <br />, <br />. , <br /> <br />A. Process Variables: primary- sludge from clarifier to <br />digester 100% wasted, enzymes added to digester, digester <br />gas not utilized, and digester temperature is 1500 <br /> <br />secondary- very low MLSS in aeration tank with 100% <br />sludge return from final clarifier, 40-80 lbs. of chlorine <br />per day <br /> <br />. <br /> <br />. <br /> <br />B. Residuals Handling: primary- grit and screenings deposited <br />at nearby dump, and scum diverted to California Gulch <br /> <br />secondary- none <br /> <br />. <br /> <br />C. Plant Operation <br /> <br />1. Process or equipment problem history: primary- digester <br />occasiDnally has bad odor and ice build-up broke <br />clarifier arm <br /> <br />. <br /> <br />secondary- chlorine smell around chlorination station <br />(possibly inadequate dispersion), lagoon occasionally <br />has bad odor in winter, ice build-up broke scum skimmer, <br />and chlorinator has been occasionally out of order <br /> <br />2. Record-keeping practices: none <br /> <br />3. Outfall inspection: high turbidity, sewage smell is <br />evident, no growth is appearing on rocks, and sewage <br />effluent and creek water are thoroughly mixed by I06w <br />200 ft. downstream <br /> <br />. <br /> <br />. <br /> <br />4. Personnel and personal aspects: one full-time operator <br /> <br />D. Analytical Capabilities <br /> <br />Current analytical practices: residual chlorine, influent <br />temperature <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />8 <br /> <br />. <br />