2011/09/21 Council Agenda Packet

-WAC 246-290-220: Drinking water materials and additives. http://apps.leg.wa.gov/wac/default.aspx?cite=246-290-221 WASHINGTON STATE LEGISL TU' �. p « Legislature Home Senate J House of Representatives Contact Us I Search I Help ~ i ,_: .m- ``.n-ecvw reaa."ifr.�'i...arL.va3+'ssca '.'•�a*'�+t.aY'. '.+.,3.'int>+,.oa - 'w'r« ..a`T... WACs > Title 246 > Chapter 246-290> Section 246-290-220 Inside the Legislature * Find Your Legislator • Visiting the Legislature 246-290-200 « 246-290-220» 246-290-221 * Agendas, Schedules and WAC 246-290-220 Agency filings affecting this section Calendars +� Bill Information Drinking water materials and additives. ' Laws and Agency Rules r Legislative Committees (1)All materials shall conform to the ANSI/NSF Standard 61 if in substantial contact with potable water supplies. For the purposes of this section, "substantial contact"means the * Legislative Agencies elevated degree that a material in contact with water may release leachable contaminants into * Legislative Information the water such that levels of these contaminants may be unacceptable with respect to either Center public health or aesthetic concerns. It should take into consideration the total material/water • E-mail Notifications interface area of exposure, volume of water exposed, length of time water is in contact with the (Listserv) material, and level of public health risk. Examples of water system components that would be 1,, Civic Education considered to be in "substantial contact"with drinking water are filter media, storage tank * History of the State interiors or liners, distribution piping, membranes, exchange or adsorption media, or other similar Legislature components that would have high potential for contacting the water. Materials associated with components such as valves, pipe fittings, debris screens, gaskets, or similar appurtenances Outside the Legislature would not be considered to be in substantial contact. * Congress-the Other (2) Materials or additives in use prior to the effective date of these regulations that have not Washington been listed under ANSI/NSF Standard 60 or 61 may be used for their current applications until • TVW the materials are scheduled for replacement, or that stocks of existing additives are depleted * Washington Courts and scheduled for reorder. • OFM Fiscal Note Website (3)Any treatment chemicals,with the exception of commercially retailed hypochlorite Access compounjas unseen ea-Clorox, Purex, etc., added to water intended for potable use 6• .iiki.Washington°' must comply with ANSI/NSF Standard 60. The maximum application dosage recommendation for O411t141 Mod*G<wrnrt-•ni Woe•, �m - the product certified by the ANSI/NSF Standard 60 shall not be exceeded in practice. (4)Any products used to coat, line, seal, patch water contact surfaces or that have substantial water contact within the collection, treatment, or distribution systems must comply NCSI,Onix ue.a„r, with the appropriate ANSI/NSF Standard 60 or 61.Application of these products must comply Alive with recommendations contained in the product certification. (5) The department may accept continued use of, and proposals involving, certain noncertified chemicals or materials on a case-by-case basis, if all of the following criteria are met: (a)The chemical or material has an acknowledged and demonstrable history of use in the state for drinking water applications; (b)There exists no substantial evidence that the use of the chemical or material has caused consumers to register complaints about aesthetic issues, or health related concerns,that could be associated with leachable residues from the material; and (c)The chemical or material has undergone testing through a protocol acceptable to the department and has been found to not contribute leachable compounds into drinking water at levels that would be of public health concern. (6)Any pipe, pipe fittings,fittings,fixtures, solder, or flux used in the installation or repair of a public water system shall be lead-free: (a)This prohibition shall not apply to leaded joints necessary for the repair of cast iron pipes; and 1 of 2 9/21/2011 4:09 PN