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  2. Onsite sewage facility - Wikipedia

    en.wikipedia.org/wiki/Onsite_sewage_facility

    Most onsite wastewater treatment systems are of the conventional type, consisting of a septic tank and a subsurface wastewater infiltration system (SWIS). Site limitations and more stringent performance requirements have led to significant improvements in the design of wastewater treatment systems and how they are managed.

  3. Washington State Department of Health - Wikipedia

    en.wikipedia.org/wiki/Washington_State...

    In early March 2020, coronavirus cases within Washington state grew along with the rest of the country. Washington State Department of Health officials requested, from the federal government's Strategic National Stockpile (the U.S. government's repository of drugs, vaccines and equipment to be used in major public health emergencies), 233,000 respirators and 200,000 surgical masks.

  4. Composting toilet - Wikipedia

    en.wikipedia.org/wiki/Composting_toilet

    Vermont: "Byproducts may be disposed via "...shallow burial in a location approved by the Agency that meets the minimum site conditions [required for an onsite septic tank-based sanitation system]." [28] Washington: models its extensive regulations for what it refers to as "waterless toilets" on the federal regulations that govern sewage sludge ...

  5. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    This has resulted in large percentages of the population being connected. For example, the Netherlands have 99% of the population connected to the system, and 1% has an individual sewage disposal system or treatment system, e.g., septic tank. Others have slightly lower (although still substantial) percentages; e.g., 96% for Germany.

  6. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    The aeration stage and the disinfecting stage are the primary differences from a traditional septic system; in fact, an aerobic treatment system can be used as a secondary treatment for septic tank effluent. [1] These stages increase the initial cost of the aerobic system, and also the maintenance requirements over the passive septic system.

  7. List of hospitals in Washington (state) - Wikipedia

    en.wikipedia.org/wiki/List_of_hospitals_in...

    This is a list of hospitals in the U.S. state of Washington, sorted by city and hospital name. The first hospital in the modern-day state of Washington was established at Fort Vancouver in 1858, serving fur traders and local indigenous people. [1]

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