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PDFWAC 246-273-050

Ingredients—Prohibitions and conditions.

(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)
Volatiles
IV
 
acrolein
2V
 
acrylonitrile
3V
 
benzene
5V
 
bromoform
6V
 
carbon tetrachloride
7V
 
chlorobenzene
8V
 
chlorodibromomethane
9V
 
chloroethane
10V
 
2-chloroethylvinyl ether
11V
 
chloroform
12V
 
dichlorobromomethane
14V
 
1.1-dichloroethane
15V
 
1.2-dichloroethane
16V
 
1.1-dichloroethylene
17V
 
1.2-dichloropropane
18V
 
1.3-dichloropropylene
19V
 
ethylbenzene
20V
 
methyl bromide
21V
 
methyl chloride
22V
 
methylene chloride
23V
 
1,1,2,2-tetrachloroethane
24V
 
tetrachloroethylene
25V
 
toluene
26V
 
1,2-trans-dichloroethylene
27V
 
1,1,1-trichloroethane
28V
 
1,1,2-trichloroethane
29V
 
trichloroethylene
31V
 
vinyl chloride
Acid Compounds
1A
 
2-chlorophenol
2A
 
2,4-dichlorophenol
3A
 
2,4-dimethylphenol
4A
 
4,6-dinitro-o-cresol
5A
 
2,4-dinitrophenol
6A
 
2-nitrophenol
7A
 
4-nitrophenol
8A
 
p-chloro-m-cresol
9A
 
pentachlorophenol
10A
 
phenol
11A
 
2,4,6-trichlorophenol
Base/Neutral
1B
 
acenaphthene
2B
 
acenaphthylene
3B
 
anthracene
4B
 
benzidine
5B
 
benzo(a)anthracene
6B
 
benzo(a)pyrene
7B
 
3,4-benzofluoranthene
8B
 
benzo(ghi)perylene
9B
 
benzo(k)fluoranthene
10B
 
bis(2-chloroethoxy)methane
11B
 
bis(2-chloroethyl)ether
12B
 
bis(2-chloroisopropyl)ether
13B
 
bis(2-ethylhexyl)phthalate
14B
 
4-bromophenyl phenyl ether
15B
 
butylbenzyl phthalate
16B
 
2-chloronaphthalene
17B
 
4-chlorophenyl phenyl ether
18B
 
chrysene
19B
 
dibenzo(a,h)anthracene
20B
 
1,2-dichlorobenzene
21B
 
1,3-dichlorobenzene
22B
 
1,4-dichlorobenzene
23B
 
3,3'-dichlorobenzidine
24B
 
diethyl phthalate
25B
 
dimethyl phthalate
26B
 
di-n-butyl phthalate
27B
 
2,4-dinitrotoluene
28B
 
2,6-dinitrotoluene
29B
 
di-n-octyl phthalate
30B
 
1,2-diphenylhydrazine
 
 
(as azobenzene)
31B
 
fluoranthene
32B
 
fluorene
33B
 
hexachlorobenzene
34B
 
hexachlorobutadiene
35B
 
hexachlorocyclopentadiene
36B
 
hexachloroethane
37B
 
indeno(1,2,3-cd)pyrene
38B
 
isophorone
39B
 
napthalene
40B
 
nitrobenzene
41B
 
N-nitrosodimethylamine
42B
 
N-nitrosodi-n-propylamine
43B
 
N-nitrosodiphenylamine
44B
 
phenanthrene
45B
 
pyrene
46B
 
1,2,4-trichlorobenzene
Pesticides
1P
 
aldrin
2P
 
alpha-BHC
3P
 
beta-BHC
4P
 
gamma-BHC
5P
 
delta-BHC
6P
 
chlordane
7P
 
4,4'-DDT
8P
 
4,4'-DDE
9P
 
4,4'-DDD
10P
 
dieldrin
11P
 
alpha-endosulfan
12P
 
beta-endosulfan
13P
 
endosulfan sulfate
14P
 
endrin
15P
 
endrin aldehyde
16P
 
heptachlor
17P
 
heptachlor epoxide
18P
 
PCB-1242
19P
 
PCB-1254
20P
 
PCB-1221
21P
 
PCB-1232
22P
 
PCB-1248
23P
 
PCB-1260
24P
 
PCB-1016
25P
 
toxaphene
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.]
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