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monitoring port at the distal end to enable easy access to assess the hydraulic conditions within the trench. 3.0 PRE-TREATMENT REQUIREMENTS AND RECOMMENDATIONS The primary factors that will affect the performance andlife expectancy of sewage treatment systems are the quantity(flow) and quality(concentration)of the wastewater.Every possible effort must be made to prevent greases and oils,food scraps, and other solid waste or toxic substances from entering the wastewater system.Minimizing wastewater volume(flows)and proper maintenance will also improve system performance. The following is a summary of tips to minimize flow and waste strength, and enhance system performance: • Conserve water-low-flow fixtures and efficient use of water will reduce the hydraulic demand on the septic system. • Distribute water usage throughout the day as much as reasonably possible. • Maintain all water fixtures in good working order(faucets,toilet valves, etc.)in order to minimize inflow. Slow leaks can add up quickly.For example, a leaky faucet or toilet flowing at a rate of one gallon per minute adds up to 1,440 gpd. • Maintain all collection system components,including risers,piping, and fittings in good condition in order to minimize the amount of infiltration from surface water or groundwater. • Encourage staff,patrons,and guests to use the strainer in the sink(s)to capture food particles for composting or disposal in the trash. �+ • Wash greasy utensils only after scraping and wiping all possible residue into the trash. • Encourage staff,patrons,and guests to place non-biodegradable items in the trash(i.e., disposable diapers,protective undergarments, so-called"flushable"wipes,feminine hygiene products,cat litter,etc.). • Minimize the use of potentially bio-toxic substances(cleaning agents, disinfectants, etc.). • Do not use running water as a substitute for pipe insulation during cold weather.The system is not designed to handle the excess water that results from this practice. • Avoid substances that are promoted to"make your septic system work better,"such as cabbage, yeast,or commercial septic tank additives(enzymes or bacteria).None of these products are necessary and some may actually harm the system. 4.0 HEALTH AND SAFETY Personnel should follow these basic sanitary precautions each time tests are performed that involve the potential for direct contact with sewage: • Always wear disposable gloves, • Avoid direct contact with sewage, • Promptly remove and launder any clothing that comes in direct contact with sewage, • Wash any body parts that comein contact with sewage,using soap and plenty of warm water, and CES-Albany,OR St.Innocent Winery and Tasting Room 0&M Manual Doc:2018240028 St.Innocent Winery OM BTR May 2018 Page 2