Cite as [A.S.A.C. § 25.0401]
The following definitions apply in this section.
“Annular space” means the space between any two casings or between the outer casing and the walls of the borehole.
“AS-EPA” means the American Samoa Environmental Protection Agency.
“ASPA” means the American Samoa Power Authority.
“Air-gap separation” means a physical separation, between the discharge end of a supply pipe and the top rim of its receiving vessel, of at least one inch or twice the diameter of the supply pipe, whichever is greater.
“ANSI/NSF Standard 60” means American National Standards Institute/National Sanitation Foundation International Standard 60 - 2000a, Drinking Water Treatment Chemicals - Health Effects, November 2000, incorporated by reference and on file with AS-EPA. This material is available from NSF International, 789 North Dixboro Road, P.O. Box 130140, Ann Arbor, MI 48113-0140, USA, (734) 769-8010, http://www.nsf.org. This incorporation by reference includes no future editions or amendments.
“ANSI/NSF Standard 61” means American National Standards Institute/ National Sanitation Foundation International Standard 61 - 2000a, Drinking Water System Components - Health Effects, November 2000, incorporated by reference and on file with AS-EPA. This material is available from NSF International, 789 North Dixboro Road, P.O. Box 130140, Ann Arbor, MI 48113-0140, USA, (734) 769-8010, http://www.nsf.org. This incorporation by reference includes no future editions or amendments.
“Backflow” means a reverse flow condition that causes water or mixtures of water and other liquids, gases, or substances to flow back into the distribution system. Backflow can be created by a difference in water pressure (backpressure), a vacuum or partial vacuum (back-siphon), or a combination of both.
“Backflow-prevention assembly” means a mechanical device used to prevent backflow.
“Baseline sampling” means the initial monitoring of contaminants required for each source before it can supply water to a public water system.
“Contaminant” means any physical, chemical, biological, or radiological substance or matter in water.
“Casing” means the tubular material utilized to shut off the aquifer above the source bed and conduct water from the source to the wellhead.
“Certified operator” means a water treatment or water distribution operator who is currently certified in one of the 50 States in the United States of America or is certified by an independent operator certification program recognized and accepted by AS-EPA to operate a water treatment or water distribution system. This term also implies that the operator must not exceed the authority of the certification as defined in the State where the certification was obtained.
“Cross connection” means a physical connection between a public water system and any source of water or other substance that may lead to contamination of the water provided by the public water system through backflow.
“Director” means the Director of the American Samoa Environmental Protection Agency.
“Distribution pipeline system” means an appurtenance, device, and facility of a public water system that conducts water from a source or water treatment plant to persons served by the system.
“Double check valve assembly” means a backflow-prevention assembly that contains two independently acting check valves with tightly closing, resilient-seated shut-off valves on each end of the assembly and properly located, resilient-seated test cocks.
“EPA” means the United States Environmental Protection Agency.
“Groundwater system” means a public water system that is supplied solely by groundwater that is not under the direct influence of surface water.
“Groundwater under the direct influence of surface water” means any water beneath the surface of the ground with: A significant occurrence of insects or other macro organisms, algae, large-diameter pathogens such as Giardia lamblia, or total coliform, or significant and relatively rapid shifts in water characteristics such as turbidity, temperature, conductivity, or pH that closely correlate to climatological or surface water conditions.
“MCL” means Maximum Contaminant Level
“NSF International” means National Sanitation Foundation International, 789 North Dixboro Road, P.O. Box 130140, Ann Arbor, MI 48113-0140, USA; (734) 769-8010; http://www.nsf.org.
“Pollution” means any matter, which renders water objectionable or dangerous to health.
“Professional engineer” means an engineer that holds a professional engineers license in one of the 50 States in the United States of American to practice engineering. This term also implies that the certification is current and has not expired. This term also implies that the engineer must not practice outside the authority of the license or area of competence as defined in the State where the license was issued.
“Public water system” means a system for the provision to the public of water for human consumption through pipes or other constructed conveyances; if that system has at least 15 service connections or regularly serves at least 25 individuals. Constructed conveyances may include glass and/or plastic single and multi-use bottles if the source water for filling those bottles is not also an AS-EPA public water system. A public water system includes:
(1) any collection, treatment, storage, and distribution facilities under control of the operator of such system and used primarily in connection with such system;
(2) any collection or pretreatment storage facilities not under such control which are used primarily in connection with such systems.
“Residual disinfectant concentration” and “RDCs” mean the concentration of disinfectant measured in mg/L in a representative sample of water.
“Safe Drinking Water Act” means the federal Safe Drinking Water Act as amended (42 U.S.C. 300f et seq., Title XIV of the Public Health Service Act).
“Source bed” means the stratum from which water is drawn in the well.
“Ten State Standards” means the Recommended Standards for Water Works, Great Lakes Upper Mississippi River Board (Ten State Standards), 1997. This incorporation by reference includes no future editions or amendments.
“Well” means any artificial bored or drilled opening in the ground, whose depth is greater than it is wide, designed to conduct water from a source bed to the surface.History: Rule 1-08, eff 1 Jun 08.