12.0401 Definitions.

Cite as [A.S.A.C. § 12.0401]

Unless the context specifically indicates otherwise, the meaning of terms used in these regulations shall be as follows:

(a) "BOD" (denoting Biochemical Oxygen Demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in 5 days at 20?C, expressed in milligrams per liter.

(b) "Building drain" means that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer, beginning 10 feet outside the inner face of the building wall.

(c) "Building sewer" means the extension from the building drain to the public sewer or other place of disposal.

(d) "Enforcing officer" means the commission member of the Department of Public Works or his authorized deputy, agent or representative.

(e) "Garbage" means solid wastes from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage, and sale of produce.

(f) "Government" means the government of American Samoa or any area under the jurisdiction of the government.

(g) "Industrial wastes" means the water- carried wastes from industrial manufacturing processes, trade, or business as distinct from sanitary sewage.

(h) "Natural outlet" means any outlet into a watercourse, pond, ditch, bay or other body of surface or groundwater.

(i) "Person " means any individual, firm, company, association, society, corporation, or group.

(j) "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.

(k) "Pretreatment" means a chemical or biological process which will render industrial waste nontoxic and acceptable to the enforcing officer in all other characteristics.

(l) "Properly shredded garbage" means the wastes from the preparation, cooking, and dispensing of food that has been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension.

(m) "Public sewer" means a sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.

(n) "Sanitary sewer" means a sewer which is designated to carry sewage and to which storm, surface, and groundwaters are not intentionally admitted.

(o) "Sewage" means a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such ground, surface, and stormwaters as may be present.

(p) "Sewage works" means all facilities for collecting, pumping, treating, and disposing of sewage.

(q) "Sewer" means a pipe or conduit for carrying sewage.

(r) "Shall" is mandatory; "may" is permissive.

(s) "Slug" means any discharge of water, sewage, or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than 15 minutes more than five times the average 24-hour concentration or flows during normal operation.

(t) "Standard laboratory procedures" means laboratory tests or determinations made in accordance with the recommendations of Standard Methods for the Examination of Water and Wastewater, latest edition.

(u) "Storm drain" (sometimes termed "storm sewer") means a sewer which is designated to carry storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.

(v) "Suspended solids" means solids that either float on the surface of, or are in suspension in, water, sewage or other liquids, and that are removable by laboratory filtering.

(w) "Watercourse" means a channel in which a flow of water occurs, either continuously or intermittently.

History: Env. Qual. Comm. Regs., eff prior to 1975, § 10.0.