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PDFWAC 246-272A-0100

Sewage technologies.

(1) The department may develop recommended standards and guidance to assist local health officers in permitting different types of sewage treatment and distribution technologies including the following four broad categories:
(a) Public domain treatment technologies (e.g., sand filters);
(b) Proprietary treatment products (e.g., aerobic treatment systems and packed bed filters);
(c) Public domain distribution technologies (e.g., gravel or generic gravel substitutes, gravity and pressure distribution methods and materials);
(d) Proprietary distribution products (e.g., subsurface dripline products or gravelless distribution products).
(2) All types of sewage technologies must have either standards for use described in this chapter or departmental recommended standards and guidance before the local health officer may permit them. Recommended standards and guidance may include information and detail such as:
(a) Application;
(b) Design;
(c) Installation;
(d) Operation, monitoring and maintenance;
(e) Performance expectations; and
(f) Sources of information.
[Statutory Authority: RCW 43.20.050. WSR 05-15-119, ยง 246-272A-0100, filed 7/18/05, effective 9/15/05.]
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