Tenn. Comp. R. & Regs. 1200-01-07 app III

Current through June 26, 2024
Appendix III

Contaminant Inorganic Chemicals Maximum Contaminant Level in Milligrams/Liter
Antimony 0.006
Arsenic 0.01
Barium 2.0
Beryllium 0.004
Cadmium 0.005
Chromium ( total) 0.1
Fluoride 4.0
Lead1 0.015
Mercury 0.002
Nickel2 0.1
Nitrate 10.0
Selenium 0.05
Silver3 0.1
Thallium 0.002
Volatile Organic Chemicals
Benzene 0.005
Carbon Tetrachloride 0.005
1,2-Dichloroethane 0.005
1,1-Dichloroethylene 0.007
cis-1,2-Dichloroethylene 0.07
trans-1,2,-Dichloroethylene 0.1
O-Dichlorobenzene 0.6
1,4-Dichlorobenzene 0.075
Dichloromethane (methylene chloride) 0.005
1,2-Dichloropropane 0.005
Ethylbenzene 0.7
Monochlorobenzene 0.1
Styrene 0.1
Tetrachlorethylene 0.005
Toluene 1.0
1,1,1-Trichloroethane 0.20
1,1,2-Trichloroethane 0.005
Trichloroethylene 0.005
Trihalomethanes (total) 0.1
Vinyl Chloride 0.002
Xylenes 10.0
Organic Chemicals
Alachlor 0.002
Aldicarb 0.003
Aldicarb sulfoxide 0.004
Aldicarb sulfone 0.002
Atrazine 0.003
Benzo(a)pyrene 0.0002
Carbofuran 0.04
Chlordane 0.002
2,4-D 0.07
Dalapon 0.2
1,2-Dibromo-3-chloropropane 0.0002
Di (ethylhexy)adipate 0.4
Di (ethylhexyl)phthalate 0.006
Dinoseb 0.007
Diquat 0.02
Endothall 0.1
Endrin 0.002
Ethylene dibromide 0.00005
Glyphosate 0.7
Heptachlor 0.0004
Heptachlor epoxide 0.0002
Hexachlorobenzene 0.001
Hexachlorocyclopentadiene (HEX) 0.05
Lindane 0.0002
Methoxychlor 0.04
Oxamyl (Vydate) 0.2
Pentachlorophenol 0.001
Picloram 0.5
Polychlorinated biphenyls (PCB) 0.0005
Simazine 0.004
Toxaphene 0.003
2,4,5 TP (Silvex) 0.05
1,2,4-Trichlorobenzene 0.07

1 Action level concentration obtained from TN Division of Water Supply rule 1200-05-01-.33(1)(c) 1.

2 MCL value obtained from TN Division of Water Supply rule 1200-05-01-.06(1)(b) 11.

3 MCL value obtained from TN Division of Water Supply rule 1200-05-01-.12(1)(n). (EPA Secondary Drinking Water Standard)

All other values are MCLs currently applicable under the National Primary Drinking Water Regulations.

Tenn. Comp. R. & Regs. 1200-01-07 app III

Original rule certified June 7, 1974. Amendment filed December 17, 1976; effective January 16, 1977. Amendment filed February 1, 1990; effective March 18, 1990. Amendment filed August 6, 1991; effective September 20, 1991. Amendment filed May 15, 1992; effective June 29, 1992. Amendment filed May 26, 1993; effective July 10, 1993. Amendment filed November 17, 1995; effective January 31, 1996. Amendment filed April 22, 1997; effective July 6, 1997. Amendment filed April 17, 2000; effective July 1, 2000. Amendment filed July 27, 2001; effective October 10, 2001. Amendment filed July 1, 2003; effective September 14, 2003. Amendments filed May 23, 2006; effective August 6, 2006. Amendments filed September 12, 2008; effective November 26, 2008.

Authority: T.C.A. §§ 4-5-201, et seq., 68-203-103(b)(3), 68-211-102(a), 68-211-105(b), 68-211-105(c), 68-211-105(g), 68-211-106(a)(1), 68-211-107, 68-211-107(a), 68-211-111(d), 68-211-111(d)(1), 68-211-111(d)(2), 68-211-851(a), 68-211-852, 68-211-853, and 68-211-861.