The following words and terms, when used in this section shall have the following meaning.

1. (1) All metals drinking water group--Aluminum, antimony, arsenic, barium, beryllium, total hardness (calculated), cadmium, calcium, chromium, copper, iron, lead, magnesium, manganese, mercury, nickel, selenium, silver, sodium, thallium, and zinc.

2. (2) Chlorinated pesticides and polychlorinated biphenyls (PCBs) in drinking water.

   1. (A) Regulated compounds--Alachlor, aroclor 1016, aroclor 1221, aroclor 1232, aroclor 1242, aroclor 1248, aroclor 1254, aroclor 1260, atrazine, chlordane, endrin, heptachlor, heptachlor epoxide, hexachlorobenzene, hexaclorocyclopentadiene, lindane, methoxychlor simazine and toxaphene.
   2. (B) Non-Regulated compounds--Aldrin, butachlor, dieldrin, etolachlor, metribuzin, propachlor, trifluralin.
3. (3) Gamma emitting isotopes--Gamma emitting isotopes with energies ranging from 59 keV to 1836 keV.
4. (4) ICP/ICP-MS drinking water metals group--Aluminum, arsenic, barium, beryllium, calcium, total hardness (calculated), chromium, copper, iron, lead, magnesium, manganese, nickel, silver, sodium, and zinc.
5. (5) Reagent water metal suitability group--cadmium, chromium, copper, iron, lead, manganese, nickel and zinc.
6. (6) Routine water mineral group--Alkalinity, chloride, conductance, fluoride, nitrate, pH, sulfate, and total dissolved solids.

7. (7) Volatile organic compounds (VOC).

   1. (A) In air--1,1,1-Trichloroethane, 1,2,4-trimethylbenzene, 1,4-dichlorobenzene, 2-ethoxy ethyl acetate, 2-heptanone, 2-propanol, acetone, alpha-pinene, benzene, butoxy ethanol, butyl acetate, chloroform, cumene (isopropyl benzene), cyclohexane, cyclohexanone, ethanol, ethyl acetate, ethyl methacrylate, ethylbenzene, heptane, hexachloroethane, isoamyl acetate, iso-butanol, limonene, m/p-xylene, methyl ethyl ketone (MEK), methyl isobutyl ketone, methyl methacrylate, napththalene, n-propyl acetate, o-xylene, phenol, sec-butanol, styrene, tetrachloroethylene, tetrahydrofuran, toluene, trichloroethylene.

   2. (B) In drinking water.

      1. (i) Regulated compounds--1,1,1-Trichloroethane, 1,1,2-trichloroethane, 1,1-dichloroethylene, 1,2,4-trichlorobenzene, 1,2-dichloroethane, 1,2-dichloropropane, benzene, carbon tetrachloride, cis-1,2-dichloroethylene, dichloromethane, ethylbenzene, monochlorobenzene, o-dichlorobenzene, para-dichlorobenzene, styrene, tetrachlorethylene, toluene, trans-1,2-dichloroethylene, trichloroethylene, vinyl chloride, xylenes (total).
      2. (ii) Monitored compounds--1,1,1,2-tetrachloroethane, 1,1,2,2-tetrachloroethane, 1,1-dichloroethane, 1,1-dichloropropene, 1,2,3-trichlorobenzene, 1,2,3-trichloropropane, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, 1,3-dichlorobenzene, 1,3-dichloropropane, 2,2-dichloropropane, 2-chlorotoluene, 4-chlorotoluene, 4-isopropyltoluene, bromobenzene, bromochloromethane, bromodichloromethane, bromoform, bromomethane, chloroethane, chloroform, chloromethane, cis-1,3-dichloropropene, dibromochloromethane, dibromomethane, dichlorodifluoromethane, hexachlorobutadiene, isopropylbenzene, naphthalene, n-buthybenzene, n-propylbenzene, s-butylbenzene, t-butylbenzene, trans-1,3-dichloropropene, trichlorofluoromethane.
      3. (iii) Other compounds--2-Butanone (MEK), 2-hexanone, 4-methyl-2-pentanone (MIBK), acetone, acrylonitrile, carbon disulfide, ethyl methacrylate, iodomethane, methyl methacrylate, methyl-t-butyl ether (MTBE), tetrahydrofuran, vinyl acetate.
8. (8) Trihalomethanes (THM)--Bromodichloromethane, bromoform, chloroform, dibromochloromethane, trichloromethanes, and total THM.

9. (9) Carbamate insecticides.

   1. (A) Regulated compounds--Aldicarb, aldicarb sulfone, aldicarb sulfoxide, carbofuran, oxamyl.
   2. (B) Monitored compounds--Baygon, carbaryl, 3-hydroxycarbofuran, methiocarb, methomyl.

10. (10) Dibromochloropropane (DBCP) and ethylene dibromide (EDB).

    1. (A) Regulated compounds--Ethylene dibromide, dibromochloropropane.
    2. (B) Non-regulated compound--1,2,3-Trichloropropane.

11. (11) Haloacetic acids.

    1. (A) Regulated compounds--Dibromoacetic acid, dichloroacetic acid, monobromoacetic acid, monochloroacetic acid, trichloroacetic acid, total of the 5 regulated haloacetic acids (HAA5).
    2. (B) Monitored compounds--Bromochloroacetic acid, dalapon.

12. (12) Chlorophenoxy herbicides.

    1. (A) Regulated compounds--2,3-Dichloropenoxyacetic acid (2,4-D), 2(2,4,5-Trichlorophenoxy)propionic acid (2,4,5-TP)(Silvex), dalapon, dinoseb, pentachlorophenol, picloram.
    2. (B) Non-Regulated compounds--2,4,5-Trichlorophenoxyacetic acid (2,4,5-T,), 4,(2,4-Dichlorophenoxy)butyric acid (2,4,-DB), 3,5-dichlorobenzoic acid, aciflurofen, bentazon, chloramben, dicamba, dichlorprop, quinclorac.

13. (13) Polycyclic Aromatic Hydrocarbon (PHA)/Phthalates, Synthetic Organic Contaminants Group 5 (SOC 5).

    1. (A) Regulated Compounds--Alachlor, alpha-chlordane, atrazine, benzo(a)pyrene, chlordane, di(2-ethylhexyl)adipate, di(2-ethylhexyl)phthalate, endrin, gamma-chlordane, heptachlor, heptachlor epoxide, hexachlorobenzene, hexachlorocyclopentadiene, lindane, methoxychlor, pentachlorophenol, simazine, toxaphene, trans-nonachlor.
    2. (B) Monitored Compounds--2,2',3,3',4,4',6-heptachlorobiphenyl, 2,2',3',4,6-pentachlorobiphenyl, 2,2',4,4',5,6 hexachlorobiphenyl, 2,2',3,3',4,5',6,6',-octachlorobiphenyl, 2,2',4,4'-tetrachlorobiphenyl, 2,4,5-trichlorobiphenyl, 2,3-dichlorobiphenyl, 2-chlorobiphenyl, acenaphthene, acenaphthylene, aldrin, anthracene, benzo(a)anthracene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, bromacil, butachlor, butylbenzylphthalate, chrysene, dibenz(a,h)anthracene, dieldrin, diethylphthalate, dimethylphthalate, di-n-butylphthalate, fluorene, indeno(1,2,3-cd)pyrene, metolachlor, metribuzin, naphthalene, phenathrene, prometon, propachlor, pyrene, trifluralin.

14. (14) Semi-Volatile Organic Compounds.

    1. (A) Pesticides--Alachlor, aldrin, atrazine, bromacil, butachlor, alpha-chlordane, gamma-chlordane, trans-nonachlor chlordane, dieldrin, heptachlor, hexachlorobenzene, hexachlorcyclopentadiene, lindane, methoxychlor, metolachlor, metribuzin, pentachlorophenol, promethon, propachlor, simazine, trifluralin.
    2. (B) Polycyclic Aromatic Hydrocarbons (PAHs)--Acenaphthene, acenaphthylene, anthracene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluroanthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, chrysene, dibenz(a,h)anthracene, fluorene, indeno(1,2,3,c,d,)pyrene, naphthalene, phenanthrene, pyrene.
    3. (C) PCBs--2-Chlorobiphenyl, 2,3-dichlorobiphenyl, 2,4,5-trichlorobiphenyl, 2,2',4,4'-tetrachlorobiphenyl, 2,2',3',4,6-pentachlorobiphenyl, 2,2',4,4'5,6'-hexachlorobiphenyl, 2,2',3,3',4,4',6-heptachlorobiphenyl, 2,2',3,3',4,5',6,6'-octachlorobiphenyl.
    4. (D) Phthalates--butylbenzylphthalate, di(2-ethylhexyl)adipate, di(2-ethylhexyl)phthalate, diethylphthalate, dimethylphthalate, di-n-butylphthalate.

Source Note:The provisions of this §73.51 adopted to be effective October 10, 2012, 37 TexReg 8020.