eLaws | eCases | State of Washington |
 Washington Administrative Code (Last Updated: November 23, 2016)
 Title 246. Health, Department of
 Chapter 246-273. On-site sewage system additives.

  Section 246-273-050. Ingredients—Prohibitions and conditions.  

Latest version.
  • (1) The following substances and compounds shall not be ingredients of approved on-site sewage disposal system additives. Trace amounts of these substances and compounds may exist in approved on-site sewage disposal system additives if deemed safe by the department for use in an on-site sewage disposal system.
    (a) Any substance or compound listed as an EPA toxic pollutant in Title 40 Code of Federal Regulations (C.F.R. 40) 1994, Part 122, Tables II, III, and V of Appendix D:
    Table II-Organic Toxic Pollutants In Each Of Four Fractions In Analysis By Gas Chromatography/Mass Spectroscopy (GS/MS)
    Table III-Other Toxic Pollutants (Metals and Cyanide) and Total Phenols
    Antimony, Total
    Arsenic, Total
    Beryllium, Total
    Cadmium, Total
    Chromium, Total
    Copper, Total
    Lead, Total
    Mercury, Total
    Nickel, Total
    Selenium, Total
    Silver, Total
    Thallium, Total
    Zinc, Total
    Cyanide, Total
    Phenols, Total
    Table IV-Toxic Pollutants and Hazardous Substances Required To Be Identified By Existing Dischargers If Expected To Be Present
    Toxic Pollutants
    Asbestos
    Hazardous Substances
    Acetaldehyde
    Allyl alcohol
    Allyl chloride
    Amyl acetate
    Aniline
    Benzonitrile
    Benzyl chloride
    Butyl acetate
    Butylamine
    Captan
    Carbaryl
    Carbofuran
    Carbon disulfide
    Chlorpyrifos
    Coumaphos
    Cresol
    Crotonaldehyde
    Cyclohexane
    2,4-D(2,4-Dichlorophenoxy acetic acid)
    Diazinon
    Dicamba
    Dichlobenil
    Dichlone
    2,2-Dichloropropionic acid
    Dichlorvos
    Diethyl amine
    Dimethyl amine
    Dinitrobenzene
    Diquat
    Disulfoton
    Diuron
    Epichlorohydrin
    Ethion
    Ethylene diamine
    Ethylene dibromide
    Formaldehyde
    Furfural
    Guthion
    Isoprene
    Isopropanolamine
    Dodecylbenzenesulfonate
    Kelthane
    Kepone
    Malathion
    Mercaptodimethur
    Methoxychlor
    Methyl mercaptan
    Methyl methacrylate
    Methyl parathion
    Mevinphos
    Mexacarbate
    Monoethyl amine
    Monomethyl amine
    Naled
    Napthenic acid
    Nitrotoluene
    Parathion
    Phenolsulfanate
    Phosgene
    Propargite
    Propylene oxide
    Pyrethrins
    Quinoline
    Resorcinol
    Strontium
    Strychnine
    Styrene
    2,4,5-T (2,4,5-Trichlorophenoxy acetic acid)
    TDE (Tetrachlorodiphenylethane)
    2,4,5-TP (2-(2,4,5-Trichlorophenoxy
    propanoic acid)
    Trichlorofan
    Triethanolamine
    Dodecylbenzenesulfonate
    Triethylamine
    Trimethylamine
    Uranium
    Vanadium
    Vinyl acetate
    Xylene
    Xylenol
    Zirconium
    (b) Other chemicals deemed by the department to be detrimental to on-site sewage disposal system function, public health, or water quality.
    (2) The department may prohibit (not approve on-site sewage system additives containing) acids and bases depending upon the effect on public health or groundwater of their concentration when applied according to the manufacturer's product-use instructions.
    [Statutory Authority: Chapter 70.118 RCW and RCW 43.70.040. WSR 95-24-062, § 246-273-050, filed 12/1/95, effective 1/1/96.]
Chapter 70.118 RCW and RCW 43.70.040. WSR 95-24-062, § 246-273-050, filed 12/1/95, effective 1/1/96.