Pennsylvania Bulletin

PA Bulletin, Doc. No. 01-2102b

[31 Pa.B. 6395]

[Continued from previous Web Page]

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

DIELDRIN 60-57-1 0.041 G 0.16 G 4.1 G 16 G 41 G 160 G

DIETHYL PHTHALATE 84-66-2 5,000 H 5,000 H 500,000 H 500,000 H 1,100,000 S 1,100,000 S

DIFLUBENZURON 35367-38-5 200 S 200 S 200 S 200 S 200 S 200 S

DIMETHOATE 60-51-5 7.3 G 20 G 730 G 2,000 G 7,300 G 20,000 G

DIMETHOXYBENZIDINE, 3,3- 119-90-4 47 G 190 G 4,700 G 19,000 G 47,000 G 60,000 S

DIMETHYLAMINOAZOBENZENE, P- 60-11-7 0.14 G 0.57 G 14 G 57 G 140 G 570 G

DIMETHYLANILINE, N,N- 121-69-7 73 G 200 G 7,300 G 20,000 G 7,300 G 20,000 G

DIMETHYLBENZIDINE, 3,3- 119-93-7 0.072 G 0.28 G 7.2 G 28 G 72 G 280 G

DIMETHYLPHENOL, 2,4- 105-67-9 730 G 2,000 G 73,000 G 200,000 G 730,000 G 2,000,000 G

DINITROBENZENE, 1,3- 99-65-0 1 H 1 H 100 H 100 H 1,000 H 1,000 H

DINITROPHENOL, 2,4- 51-28-5 19 N 41 N 1,900 N 4,100 N 190 N 410 N

DINITROTOLUENE, 2,4- 121-14-2 2.1 G 8.4 G 210 G 840 G 2,100 G 8,400 G

DINITROTOLUENE, 2,6- (2,6-DNT) 606-20-2 37 G 100 G 3,700 G 10,000 G 37,000 G 100,000 G

DINOSEB 88-85-7 7 M 7 M 700 M 700 M 700 M 700 M

DIOXANE, 1,4- 123-91-1 5.6 N 24 N 560 N 2,400 N 56 N 240 N

DIPHENAMID 957-51-7 200 H 200 H 20,000 H 20,000 H 200 H 200 H

DIPHENYLAMINE 122-39-4 200 H 200 H 20,000 H 20,000 H 200,000 H 200,000 H

DIPHENYLHYDRAZINE, 1,2- 122-66-7 0.83 G 3.3 G 83 G 250 S 250 S 250 S

DIQUAT 85-00-7 20 M 20 M 2,000 M 2,000 M 20 M 20 M

DISULFOTON 298-04-4 0.3 H 0.3 H 30 H 30 H 30 H 30 H

DIURON 330-54-1 10 H 10 H 1,000 H 1,000 H 10 H 10 H

ENDOSULFAN 115-29-7 58 N 120 N 480 S 480 S 480 S 480 S

ENDOSULFAN I (ALPHA) 959-98-8 220 G 500 S 500 S 500 S 220 G 500 S

ENDOSULFAN II (BETA) 33213-65-9 220 G 450 S 450 S 450 S 220 G 450 S

ENDOSULFAN SULFATE 1031-07-8 120 S 120 S 120 S 120 S 120 S 120 S

ENDOTHALL 145-73-3 100 M 100 M 10,000 M 10,000 M 100 M 100 M

ENDRIN 72-20-8 2 M 2 M 200 M 200 M 2 M 2 M

EPICHLOROHYDRIN 106-89-8 2.8 N 5.8 N 280 N 580 N 280 N 580 N

ETHEPHON 16672-87-0 180 G 510 G 18,000 G 51,000 G 180 G 510 G

ETHION 563-12-2 18 G 51 G 850 S 850 S 18 G 51 G

ETHOXYETHANOL, 2- (EGEE) 110-80-5 550 N 1,200 N 55,000 N 120,000 N 55,000 N 120,000 N

ETHYL ACETATE 141-78-6 8,700 N 18,000 N 870,000 N 1,800,000 N 870,000 N 1,800,000 N

ETHYL ACRYLATE 140-88-5 3.1 N 13 N 310 N 1,300 N 310 N 1,300 N

ETHYL BENZENE 100-41-4 700 M 700 M 70,000 M 70,000 M 70,000 M 70,000 M

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

ETHYL DIPROPYLTHIOCARBAMATE, S- (EPTC) 759-94-4 910 G 2,600 G 91,000 G 260,000 G 910 G 2,600 G

ETHYL ETHER 60-29-7 1,900 N 4,100 N 190,000 N 410,000 N 1,900 N 4,100 N

ETHYL METHACRYLATE 97-63-2 870 N 1,800 N 87,000 N 180,000 N 870 N 1,800 N

ETHYLENE GLYCOL 107-21-1 14,000 H 14,000 H 1,400,000 H 14,000,000 H 1,400,000 H 1,400,000 H

ETHYLENE THIOUREA (ETU) 96-45-7 3 H 3 H 300 H 300 H 3,000 H 3,000 H

ETHYLP-NITROPHENYL PHENYLPHOSPHOROTHIOATE 2104-64-5 0.37 G 1 G 37 G 100 G 0.37 G 1 G

FENAMIPHOS 22224-92-6 2 H 2 H 200 H 200 H 2 H 2 H

FENVALERATE (PYDRIN) 51630-58-1 85 S 85 S 85 S 85 S 85 S 85 S

FLUOMETURON 2164-17-2 90 H 90 H 9,000 H 9,000 H 90 H 90 H

FLUORANTHENE 206-44-0 260 S 260 S 260 S 260 S 260 S 260 S

FLUORENE 86-73-7 1,500 G 1,900 S 1,900 S 1,900 S 1,900 S 1,900 S

FLUOROTRICHLOROMETHANE (FREON 11) 75-69-4 2,000 H 2,000 H 200,000 H 200,000 H 200,000 H 200,000 H

FONOFOS 944-22-9 10 H 10 H 1,000 H 1,000 H 10 H 10 H

FORMALDEHYDE 50-00-0 1,000 H 1,000 H 100,000 H 100,000 H 100,000 H 100,000 H

FORMIC ACID 64-18-6 19,000 N 41,000 N 1,900,000 N 4,100,000 N 190,000 N 410,000 N

FOSETYL-AL 39148-24-8 110,000 G 310,000 G 11,000,000 G 31,000,000 G 110,000 G 310,000 G

FURAN 110-00-9 9.7 N 20 N 970 N 2,000 N 970 N 2,000 N

FURFURAL 98-01-1 110 G 290 N 11,000 G 29,000 N 110 G 290 N

GLYPHOSATE 1071-83-6 700 M 700 M 70,000 M 70,000 M 700 M 700 M

HEPTACHLOR 76-44-8 0.4 M 0.4 M 40 M 40 M 180 S 180 S

HEPTACHLOR EPOXIDE 1024-57-3 0.2 M 0.2 M 20 M 20 M 200 M 200 M

HEXACHLOROBENZENE 118-74-1 1 M 1 M 6 S 6 S 6 S 6 S

HEXACHLOROBUTADIENE 87-68-3 1 H 1 H 100 H 100 H 1,000 H 1,000 H

HEXACHLOROCYCLOPENTADIENE 77-47-4 50 M 50 M 1,800 S 1,800 S 1,800 S 1,800 S

HEXACHLOROETHANE 67-72-1 1 H 1 H 100 H 100 H 100 H 100 H

HEXANE 110-54-3 550 N 1,200 N 9,500 S 9,500 S 550 N 1,200 N

HEXYTHIAZOX (SAVEY) 78587-05-0 500 S 500 S 500 S 500 S 500 S 500 S

HYDRAZINE/HYDRAZINE SULFATE 302-01-2 0.0088 N 0.038 N 0.88 N 3.8 N 0.088 N 0.38 N

HYDROQUINONE 123-31-9 1,500 G 4,100 G 150,000 G 410,000 G 1,500,000 G 4,100,000 G

INDENO(1,2,3-CD)PYRENE 193-39-5 0.9 G 3.6 G 62 S 62 S 62 S 62 S

IPRODIONE 36734-19-7 1,500 G 4,100 G 13,000 S 13,000 S 1,500 G 4,100 G

ISOBUTYL ALCOHOL 78-83-1 2,900 N 6,100 N 290,000 N 610,000 N 290,000 N 610,000 N

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

ISOPHORONE 78-59-1 100 H 100 H 10,000 H 10,000 H 100,000 H 100,000 H

KEPONE 143-50-0 0.041 G 0.16 G 4.1 G 16 G 41 G 160 G

MALATHION 121-75-5 100 H 100 H 10000 H 10000 H 10,000 H 10,000 H

MALEIC HYDRAZIDE 123-33-1 4,000 H 4,000 H 400,000 H 400,000 H 4,000 H 4,000 H

MANEB 12427-38-2 180 G 510 G 18,000 G 23,000 S 180 G 510 G

MERPHOS OXIDE 78-48-8 1.1 G 3.1 G 110 G 310 G 1.1 G 3.1 G

METHACRYLONITRILE 126-98-7 1.9 N 4.1 N 190 N 410 N 1.9 N 4.1 N

METHAMIDOPHOS 10265-92-6 1.8 G 5.1 G 180 G 510 G 1.8 G 5.1 G

METHANOL 67-56-1 4,900 N 10,000 N 490,000 N 1,000,000 N 490,000 N 1,000,000 N

METHOMYL 16752-77-5 200 H 200 H 20000 H 20000 H 200 H 200 H

METHOXYCHLOR 72-43-5 40 M 40 M 45 S 45 S 45 S 45 S

METHOXYETHANOL, 2- 109-86-4 37 G 100 G 3,700 G 10,000 G 37 G 100 G

METHYL ACETATE 79-20-9 37,000 G 100,000 G 3,700,000 G 10,000,000 G 37,000 G 100,000 G

METHYL ACRYLATE 96-33-3 1,100 G 3,100 G 110,000 G 310,000 G 110,000 G 310,000 G

METHYL CHLORIDE 74-87-3 3 H 3 H 300 H 300 H 300 H 300 H

METHYL ETHYL KETONE 78-93-3 2,800 N 5,800 N 280,000 N 580,000 N 280,000 N 580,000 N

METHYL ISOBUTYL KETONE 108-10-1 190 N 410 N 19,000 N 41,000 N 19,000 N 41,000 N

METHYL METHACRYLATE 80-62-6 1,900 N 4,100 N 190,000 N 410,000 N 190,000 N 410,000 N

METHYL METHANESULFONATE 66-27-3 6.7 G 26 G 670 G 2600 G 6.7 G 26 G

METHYL PARATHION 298-00-0 2 H 2 H 200 H 200 H 200 H 200 H

METHYL STYRENE (MIXED ISOMERS) 25013-15-4 220 G 610 G 22,000 G 61,000 G 220 G 610 G

METHYL TERT-BUTYL ETHER (MTBE) 1634-04-4 20 H 20 H 2,000 H 2,000 H 200 H 200 H

METHYLENE BIS(2-CHLOROANILINE), 4,4'- 101-14-4 5.1 G 20 G 510 G 2,000 G 5.1 G 20 G

METHYLNAPHTHALENE, 2- 91-57-6 730 G 2,000 G 25,000 S 25,000 S 730 G 2000 G

METHYLSTYRENE, ALPHA 98-83-9 680 N 1,400 N 68,000 N 140,000 N 680 N 1,400 N

NAPHTHALENE 91-20-3 100 H 100 H 10,000 H 10,000 H 30,000 S 30,000 S

NAPHTHYLAMINE, 1- 134-32-7 0.37 G 1.4 G 37 G 140 G 370 G 1,400 G

NAPHTHYLAMINE, 2- 91-59-8 0.37 G 1.4 G 37 G 140 G 370 G 1,400 G

NAPROPAMIDE 15299-99-7 3,700 G 10,000 G 70,000 S 70,000 S 3,700 G 10,000 G

NITROANILINE, M- 99-09-2 2.1 G 5.8 G 210 G 580 G 2.1 G 5.8 G

NITROANILINE, O- 88-74-4 2.1 G 5.8 G 210 G 580 G 2.1 G 5.8 G

NITROANILINE, P- 100-01-6 2.1 G 5.8 G 210 G 580 G 2.1 G 5.8 G

NITROBENZENE 98-95-3 18 G 51 G 1,800 G 5,100 G 18,000 G 51,000 G

NITROPHENOL, 2- 88-75-5 290 G 820 G 29,000 G 82,000 G 290,000 G 820,000 G

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

NITROPHENOL, 4- 100-02-7 60 H 60 H 6,000 H 6,000 H 60,000 H 60,000 H

NITROPROPANE, 2- 79-46-9 0.016 N 0.068 N 1.6 N 6.8 N 0.16 N 0.68 N

NITROSODIETHYLAMINE, N- 55-18-5 0.001 N 0.0043 N 0.1 N 0.43 N 0.01 N 0.043 N

NITROSODIMETHYLAMINE, N- 62-75-9 0.0031 N 0.013 N 0.31 N 1.3 N 0.031 N 0.13 N

NITROSO-DI-N-BUTYLAMINE, N- 924-16-3 0.027 N 0.11 N 2.7 N 11 N 2.7 N 11 N

NITROSODI-N-PROPYLAMINE, N- 621-64-7 0.094 G 0.37 G 9.4 G 37 G 94 G 370 G

NITROSODIPHENYLAMINE, N- 86-30-6 130 G 530 G 13,000 G 35,000 S 35,000 S 35,000 S

NITROSO-N-ETHYLUREA, N- 759-73-9 0.0047 G 0.019 G 0.47 G 1.9 G 0.47 G 1.9 G

OCTYL PHTHALATE, DI-N- 117-84-0 730 G 2,000 G 3,000 S 3,000 S 3,000 S 3,000 S

OXAMYL (VYDATE) 23135-22-0 200 M 200 M 20,000 M 20,000 M 200 M 200 M

PARATHION 56-38-2 220 G 610 G 20,000 S 20,000 S 220 G 610 G

PCB-1016 (AROCLOR) 12674-11-2 2.6 G 7.2 G 250 S 250 S 2.6 G 7.2 G

PCB-1221 (AROCLOR) 11104-28-2 1.3 G 5.2 G 130 G 520 G 1.3 G 5.2 G

PCB-1232 (AROCLOR) 11141-16-5 1.3 G 5.2 G 130 G 520 G 1.3 G 5.2 G

PCB-1242 (AROCLOR) 53469-21-9 1.3 G 5.2 G 100 S 100 S 1.3 G 5.2 G

PCB-1248 (AROCLOR) 12672-29-6 0.37 G 1.4 G 37 G 37 G 0.37 G 1.4 G

PCB-1254 (AROCLOR) 11097-69-1 0.37 G 1.4 G 37 G 37 G 0.37 G 1.4 G

PCB-1260 (AROCLOR) 11096-82-5 1.1 G 4.3 G 80 S 80 S 1.1 G 4.3 G

PEBULATE 1114-71-2 1,800 G 5,100 G 92,000 S 92,000 S 1,800 G 5,100 G

PENTACHLOROBENZENE 608-93-5 29 G 82 G 740 S 740 S 740 S 740 S

PENTACHLORONITROBENZENE 82-68-8 2.5 G 10 G 250 G 440 S 440 S 440 S

PENTACHLOROPHENOL 87-86-5 1 M 1 M 100 M 100 M 1,000 M 1,000 M

PHENACETIN 62-44-2 300 G 1,200 G 30,000 G 120,000 G 300,000 G 760,000 S

PHENANTHRENE 85-01-8 1,100 S 1,100 S 1,100 S 1,100 S 1,100 S 1,100 S

PHENOL 108-95-2 4,000 H 4,000 H 400,000 H 400,000 H 400,000 H 400,000 H

PHENYLENEDIAMINE, M- 108-45-2 220 G 610 G 22,000 G 61,000 G 220,000 G 610,000 G

PHENYLPHENOL, 2- 90-43-7 340 G 1,300 G 34,000 G 130,000 G 340,000 G 700,000 G

PHORATE 298-02-2 1.9 N 4.1 N 190 N 410 N 1.9 N 4.1 N

PHTHALIC ANHYDRIDE 85-44-9 73,000 G 200,000 G 6,200,000 S 6,200,000 S 6,200,000 S 6,200,000 S

PICLORAM 1918-02-1 500 M 500 M 50,000 M 50,000 M 500 M 500 M

POLYCHLORINATED BIPHENYLS (AROCLORS) (PCBS) 1336-36-3 0.5 M 0.5 M 50 M 50 M 0.5 M 0.5 M

PRONAMIDE 23950-58-5 50 H 50 H 5,000 H 5,000 H 50 H 50 H

PROPANIL 709-98-8 180 G 510 G 18,000 G 51,000 G 180 G 510 G

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

PROPHAM 122-42-9 730 G 2,000 G 73,000 G 200,000 G 730 G 2,000 G

PROPYLBENZENE, N- 103-65-1 1,500 G 4,100 G 52,000 S 52,000 S 1,500 G 4,100 G

PROPYLENE OXIDE 75-56-9 2.8 G 11 G 280 G 1,100 G 2.8 G 11 G

PYRENE 129-00-0 130 S 130 S 130 S 130 S 130 S 130 S

PYRIDINE 110-86-1 9.7 N 20 N 970 N 2,000 N 97 N 200 N

QUINOLINE 91-22-5 0.055 G 0.22 G 5.5 G 22 G 55 G 220 G

QUIZALOFOP (ASSURE) 76578-14-8 300 S 300 S 300 S 300 S 300 S 300 S

RONNEL 299-84-3 1,800 G 5,100 G 40,000 S 40,000 S 1,800 G 5,100 G

SIMAZINE 122-34-9 4 M 4 M 400 M 400 M 4 M 4 M

STRYCHNINE 57-24-9 11 G 31 G 1,100 G 3,100 G 11,000 G 31,000 G

STYRENE 100-42-5 100 M 100 M 10,000 M 10,000 M 10,000 M 10,000 M

TEBUTHIURON 34014-18-1 500 H 500 H 50,000 H 50,000 H 500 H 500 H

TERBACIL 5902-51-2 90 H 90 H 9,000 H 9,000 H 90 H 90 H

TERBUFOS 13071-79-9 0.9 H 0.9 H 90 H 90 H 0.9 H 0.9 H

TETRACHLOROBENZENE, 1,2,4,5- 95-94-3 11 G 31 G 580 S 580 S 580 S 580 S

TETRACHLORODIBENZO-P-DIOXIN, 2,3,7,8- (TCDD) 1746-01-6 0.00003 M 0.00003 M 0.003 M 0.003 M 0.019 S 0.019 S

TETRACHLOROETHANE, 1,1,1,2- 630-20-6 70 H 70 H 7,000 H 7,000 H 7,000 H 7,000 H

TETRACHLOROETHANE, 1,2,2,2- 79-34-5 0.3 N 0.3 N 30 N 30 N 30 N 30 N

TETRACHLOROETHYLENE (PCE) 127-18-4 5 M 5 M 500 M 500 M 50 M 50 M

TETRACHLOROPHENOL, 2,3,4,6- 58-90-2 290 N 610 N 29,000 N 61,000 N 29,000 N 61,000 N

TETRAETHYL LEAD 78-00-2 0.0037 G 0.01 G 0.37 G 1 G 3.7 G 10 G

TETRAETHYLDITHIOPYROPHOSPHATE 3689-24-5 4.9 N 10 N 490 N 1,000 N 4.9 N 10 N

THIOFANOX 39196-18-4 11 G 31 G 1,100 G 3,100 G 11 G 31 G

THIRAM 137-26-8 180 G 510 G 18,000 G 30,000 S 180 G 510 G

TOLUENE 108-88-3 1,000 M 1,000 M 100,000 M 100,000 M 100,000 M 100,000 M

TOLUIDINE, M- 108-44-1 2.8 G 11 G 280 G 1,100 G 2.8 G 11 G

TOLUIDINE, O 95-53-4 2.8 G 11 G 280 G 1,100 G 2,800 G 11,000 G

TOLUIDINE, P- 106-49-0 3.5 G 14 G 350 G 1,400 G 3.5 G 14 G

TOXAPHENE 8001-35-2 3 M 3 M 300 M 300 M 3 M 3 M

TRIALLATE 2303-17-5 470 G 1,300 G 4,000 S 4,000 S 470 G 1,300 G

TRIBROMOMETHANE (BROMOFORM) 75-25-2 100 M 100 M 10,000 M 10,000 M 1,000 M 1,000 M

TRICHLORO-1,2,2-TRIFLUOROETHANE, 1,1,2- 76-13-1 83,000 N 170,000 S 170,000 S 170,000 S 170,000 N 170,000 S

TRICHLOROBENZENE, 1,2,4- 120-82-1 70 M 70 M 7,000 M 7,000 M 44,000 S 44,000 S

TABLE 1--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR ORGANIC REGULATED SUBSTANCES IN GROUNDWATER (Continued)

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2500 TDS > 2500

R NR R NR R NR

TRICHLOROBENZENE, 1,3,5- 108-70-3 40 H 40 H 4,000 H 4000 H 40 H 40 H

TRICHLOROETHANE, 1,1,1- 71-55-6 200 M 200 M 20,000 M 20,000 M 2,000 M 2,000 M

TRICHLOROETHANE, 1,1,2- 79-00-5 5 M 5 M 500 M 500 M 50 M 50 M

TRICHLOROETHYLENE (TCE) 79-01-6 5 M 5 M 500 M 500 M 50 M 50 M

TRICHLOROPHENOL, 2,4,5- 95-95-4 3,700 G 10,000 G 370,000 G 1,000,000 G 100,000 S 1,000,000 S

TRICHLOROPHENOL, 2,4,6- 88-06-2 11 G 31 G 1,100 G 3,100 G 11,000 G 31,000 G

TRICHLOROPHENOXYACETIC ACID, 2,4,5- (2,4,5-T) 93-76-5 70 H 70 H 7,000 H 7,000 H 70,000 H 70,000 H

TRICHLOROPHENOXYPROPIONIC ACID, 2,4,5- (2,4,5-TP) 93-72-1 50 M 50 M 5,000 M 5,000 M 50 M 50 M

TRICHLOROPROPANE, 1,1,2- 598-77-6 180 G 510 G 18,000 G 51,000 G 180 G 510 G

TRICHLOROPROPANE, 1,2,3- 96-18-4 40 H 40 H 4,000 H 4000 H 4,000 H 4,000 H

TRICHLOROPROPENE, 1,2,3- 96-19-5 180 G 510 G 18,000 G 51,000 G 180 G 510 G

TRIFLURALIN 1582-09-8 5 H 5 H 500 H 500 H 5 H 5 H

TRIMETHYLBENZENE, 1,3,4- (TRIMETHYLBENZENE, 1,2,4-) 95-63-6 16 N 35 N 1,600 N 3,500 N 1,600 N 3,500 N

TRIMETHYLBENZENE, 1,3,5- 108-67-8 16 N 35 N 1,600 N 3,500 N 16 N 35 N

TRINITROTOLUENE, 2,4,6- 118-96-7 2 H 2 H 200 H 200 H 2 H 2 H

VINYL ACETATE 108-05-4 550 N 1200 N 55,000 N 120,000 N 550 N 1,200 N

VINYL BROMIDE (BROMOETHENE) 593-60-2 1.4 N 5.8 N 140 N 580 N 14 N 58 N

VINYL CHLORIDE 75-01-4 2 M 2 M 200 M 200 M 20 M 20 M

WARFARIN 81-81-2 11 G 31 G 1,100 G 3,100 G 11,000 G 17,000 S

XYLENES (TOTAL) 1330-20-7 10,000 M 10,000 M 180,000 S 180,000 S 180,000 S 180,000 S

ZINEB 12122-67-7 1,800 G 5,100 G 10,000 S 10,000 S 1,800 G 5,100 G

All concentrations in µg/L
R = Residential
NR = Non-Residential
M = Maximum Contaminant Level
H = Lifetime health advisory level
G = Ingestion
N = Inhalation
S = Aqueous solubility cap

TABLE 2--MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR INORGANIC REGULATED SUBSTANCES IN GROUNDWATER

REGULATED SUBSTANCE CASRN USED AQUIFERS NON-USE AQUIFERS

TDS <= 2,500 TDS > 2,500

R NR R NR R NR

ANTIMONY 7440-36-0 6 M 6 M 600 M 600 M 6,000 M 6,000 M

ARSENIC 7440-38-2 50 M 50 M 5,000 M 5,000 M 50,000 M 50,000 M

ASBESTOS (fibers/L) 12001-29-5 7,000,000 M 7,000,000 M 7,000,000 M 7,000,000 M 7,000,000 M 7,000,000 M

BARIUM AND COMPOUNDS 7440-39-3 2,000 M 2,000 M 200,000 M 200,000 M 2,000,000 M 2,000,000 M

BERYLLIUM 7440-41-7 4 M 4 M 400 M 400 M 4,000 M 4,000 M

BORON AND COMPOUNDS 7440-42-8 600 H 600 H 60,000 H 60,000 H 600,000 H 600,000 H

CADMIUM 7440-43-9 5 M 5 M 500 M 500 M 5,000 M 5,000 M

CHROMIUM, TOTAL 16065-83-1 100 M 100 M 10,000 M 10,000 M 100,000 M 100,000 M

COBALT 7440-48-4 730 G 2,000 G 73,000 G 200,000 G 73,000 G 200,000 G

COPPER 7440-50-8 1,000 M 1,000 M 100,000 M 100,000 M 1,000,000 M 1,000,000 M

CYANIDE, FREE 57-12-5 200 M 200 M 20,000 M 20,000 M 200,000 M 200,000 M

LEAD 7439-92-1 5 M 5 M 500 M 500 M 5,000 M 5,000 M

MERCURY 7439-97-6 2 M 2 M 200 M 200 M 2,000 M 2,000 M

NICKEL 7440-02-0 100 H 100 H 10,000 H 10,000 H 100,000 H 100,000 H

NITRATE NITROGEN 14797-55-8 10,000 M 10,000 M 1,000,000 M 1,000,000 M 10,000,000 M 10,000,000 M

NITRITE NITROGEN 14797-65-0 1,000 M 1,000 M 100,000 M 100,000 M 1,000,000 M 1,000,000 M

SELENIUM 7782-49-2 50 M 50 M 5,000 M 5,000 M 50,000 M 50,000 M

SILVER 7440-22-4 100 H 100 H 10,000 H 10,000 H 100,000 H 100,000 H

SULFATE 500,000 M 500,000 M 50,000,000 M 50,000,000 M 500,000,000 M 500,000,000 M

THALLIUM 7440-28-0 2 M 2 M 200 M 200 M 2,000 M 2,000 M

TIN 7440-31-5 22,000 G 61,000 G 2,200,000 G 6,100,000 G 22,000,000 G 61,000,000 G

VANADIUM 7440-62-2 260 G 720 G 26,000 G 72,000 G 260,000 G 720,000 G

ZINC AND COMPOUNDS 7440-66-6 2,000 H 2,000 H 200,000 H 200,000 H 2,000,000 H 2,000,000 H

Secondary Contaminants

REGULATED SMCL

SUBSTANCE

ALUMINUM 200

CHLORIDE 250,000

FLUORIDE 2,000

IRON 300

MANGANESE 50

All concentrations in µg/L (except asbestos)
M = Maximum Contaminant Level
H = Lifetime Health Advisory Level
SMCL = Secondary Maximum Contaminant Level
G = Ingestion
N = Inhalation

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REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
DIELDRIN	60-57-1	0.041	G	0.16	G	4.1	G	16	G	41	G	160	G
DIETHYL PHTHALATE	84-66-2	5,000	H	5,000	H	500,000	H	500,000	H	1,100,000	S	1,100,000	S
DIFLUBENZURON	35367-38-5	200	S	200	S	200	S	200	S	200	S	200	S
DIMETHOATE	60-51-5	7.3	G	20	G	730	G	2,000	G	7,300	G	20,000	G
DIMETHOXYBENZIDINE, 3,3-	119-90-4	47	G	190	G	4,700	G	19,000	G	47,000	G	60,000	S
DIMETHYLAMINOAZOBENZENE, P-	60-11-7	0.14	G	0.57	G	14	G	57	G	140	G	570	G
DIMETHYLANILINE, N,N-	121-69-7	73	G	200	G	7,300	G	20,000	G	7,300	G	20,000	G
DIMETHYLBENZIDINE, 3,3-	119-93-7	0.072	G	0.28	G	7.2	G	28	G	72	G	280	G
DIMETHYLPHENOL, 2,4-	105-67-9	730	G	2,000	G	73,000	G	200,000	G	730,000	G	2,000,000	G
DINITROBENZENE, 1,3-	99-65-0	1	H	1	H	100	H	100	H	1,000	H	1,000	H
DINITROPHENOL, 2,4-	51-28-5	19	N	41	N	1,900	N	4,100	N	190	N	410	N
DINITROTOLUENE, 2,4-	121-14-2	2.1	G	8.4	G	210	G	840	G	2,100	G	8,400	G
DINITROTOLUENE, 2,6- (2,6-DNT)	606-20-2	37	G	100	G	3,700	G	10,000	G	37,000	G	100,000	G
DINOSEB	88-85-7	7	M	7	M	700	M	700	M	700	M	700	M
DIOXANE, 1,4-	123-91-1	5.6	N	24	N	560	N	2,400	N	56	N	240	N
DIPHENAMID	957-51-7	200	H	200	H	20,000	H	20,000	H	200	H	200	H
DIPHENYLAMINE	122-39-4	200	H	200	H	20,000	H	20,000	H	200,000	H	200,000	H
DIPHENYLHYDRAZINE, 1,2-	122-66-7	0.83	G	3.3	G	83	G	250	S	250	S	250	S
DIQUAT	85-00-7	20	M	20	M	2,000	M	2,000	M	20	M	20	M
DISULFOTON	298-04-4	0.3	H	0.3	H	30	H	30	H	30	H	30	H
DIURON	330-54-1	10	H	10	H	1,000	H	1,000	H	10	H	10	H
ENDOSULFAN	115-29-7	58	N	120	N	480	S	480	S	480	S	480	S
ENDOSULFAN I (ALPHA)	959-98-8	220	G	500	S	500	S	500	S	220	G	500	S
ENDOSULFAN II (BETA)	33213-65-9	220	G	450	S	450	S	450	S	220	G	450	S
ENDOSULFAN SULFATE	1031-07-8	120	S	120	S	120	S	120	S	120	S	120	S
ENDOTHALL	145-73-3	100	M	100	M	10,000	M	10,000	M	100	M	100	M
ENDRIN	72-20-8	2	M	2	M	200	M	200	M	2	M	2	M
EPICHLOROHYDRIN	106-89-8	2.8	N	5.8	N	280	N	580	N	280	N	580	N
ETHEPHON	16672-87-0	180	G	510	G	18,000	G	51,000	G	180	G	510	G
ETHION	563-12-2	18	G	51	G	850	S	850	S	18	G	51	G
ETHOXYETHANOL, 2- (EGEE)	110-80-5	550	N	1,200	N	55,000	N	120,000	N	55,000	N	120,000	N
ETHYL ACETATE	141-78-6	8,700	N	18,000	N	870,000	N	1,800,000	N	870,000	N	1,800,000	N
ETHYL ACRYLATE	140-88-5	3.1	N	13	N	310	N	1,300	N	310	N	1,300	N
ETHYL BENZENE	100-41-4	700	M	700	M	70,000	M	70,000	M	70,000	M	70,000	M

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
ETHYL DIPROPYLTHIOCARBAMATE, S- (EPTC)	759-94-4	910	G	2,600	G	91,000	G	260,000	G	910	G	2,600	G
ETHYL ETHER	60-29-7	1,900	N	4,100	N	190,000	N	410,000	N	1,900	N	4,100	N
ETHYL METHACRYLATE	97-63-2	870	N	1,800	N	87,000	N	180,000	N	870	N	1,800	N
ETHYLENE GLYCOL	107-21-1	14,000	H	14,000	H	1,400,000	H	14,000,000	H	1,400,000	H	1,400,000	H
ETHYLENE THIOUREA (ETU)	96-45-7	3	H	3	H	300	H	300	H	3,000	H	3,000	H
ETHYLP-NITROPHENYL PHENYLPHOSPHOROTHIOATE	2104-64-5	0.37	G	1	G	37	G	100	G	0.37	G	1	G
FENAMIPHOS	22224-92-6	2	H	2	H	200	H	200	H	2	H	2	H
FENVALERATE (PYDRIN)	51630-58-1	85	S	85	S	85	S	85	S	85	S	85	S
FLUOMETURON	2164-17-2	90	H	90	H	9,000	H	9,000	H	90	H	90	H
FLUORANTHENE	206-44-0	260	S	260	S	260	S	260	S	260	S	260	S
FLUORENE	86-73-7	1,500	G	1,900	S	1,900	S	1,900	S	1,900	S	1,900	S
FLUOROTRICHLOROMETHANE (FREON 11)	75-69-4	2,000	H	2,000	H	200,000	H	200,000	H	200,000	H	200,000	H
FONOFOS	944-22-9	10	H	10	H	1,000	H	1,000	H	10	H	10	H
FORMALDEHYDE	50-00-0	1,000	H	1,000	H	100,000	H	100,000	H	100,000	H	100,000	H
FORMIC ACID	64-18-6	19,000	N	41,000	N	1,900,000	N	4,100,000	N	190,000	N	410,000	N
FOSETYL-AL	39148-24-8	110,000	G	310,000	G	11,000,000	G	31,000,000	G	110,000	G	310,000	G
FURAN	110-00-9	9.7	N	20	N	970	N	2,000	N	970	N	2,000	N
FURFURAL	98-01-1	110	G	290	N	11,000	G	29,000	N	110	G	290	N
GLYPHOSATE	1071-83-6	700	M	700	M	70,000	M	70,000	M	700	M	700	M
HEPTACHLOR	76-44-8	0.4	M	0.4	M	40	M	40	M	180	S	180	S
HEPTACHLOR EPOXIDE	1024-57-3	0.2	M	0.2	M	20	M	20	M	200	M	200	M
HEXACHLOROBENZENE	118-74-1	1	M	1	M	6	S	6	S	6	S	6	S
HEXACHLOROBUTADIENE	87-68-3	1	H	1	H	100	H	100	H	1,000	H	1,000	H
HEXACHLOROCYCLOPENTADIENE	77-47-4	50	M	50	M	1,800	S	1,800	S	1,800	S	1,800	S
HEXACHLOROETHANE	67-72-1	1	H	1	H	100	H	100	H	100	H	100	H
HEXANE	110-54-3	550	N	1,200	N	9,500	S	9,500	S	550	N	1,200	N
HEXYTHIAZOX (SAVEY)	78587-05-0	500	S	500	S	500	S	500	S	500	S	500	S
HYDRAZINE/HYDRAZINE SULFATE	302-01-2	0.0088	N	0.038	N	0.88	N	3.8	N	0.088	N	0.38	N
HYDROQUINONE	123-31-9	1,500	G	4,100	G	150,000	G	410,000	G	1,500,000	G	4,100,000	G
INDENO(1,2,3-CD)PYRENE	193-39-5	0.9	G	3.6	G	62	S	62	S	62	S	62	S
IPRODIONE	36734-19-7	1,500	G	4,100	G	13,000	S	13,000	S	1,500	G	4,100	G
ISOBUTYL ALCOHOL	78-83-1	2,900	N	6,100	N	290,000	N	610,000	N	290,000	N	610,000	N

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
ISOPHORONE	78-59-1	100	H	100	H	10,000	H	10,000	H	100,000	H	100,000	H
KEPONE	143-50-0	0.041	G	0.16	G	4.1	G	16	G	41	G	160	G
MALATHION	121-75-5	100	H	100	H	10000	H	10000	H	10,000	H	10,000	H
MALEIC HYDRAZIDE	123-33-1	4,000	H	4,000	H	400,000	H	400,000	H	4,000	H	4,000	H
MANEB	12427-38-2	180	G	510	G	18,000	G	23,000	S	180	G	510	G
MERPHOS OXIDE	78-48-8	1.1	G	3.1	G	110	G	310	G	1.1	G	3.1	G
METHACRYLONITRILE	126-98-7	1.9	N	4.1	N	190	N	410	N	1.9	N	4.1	N
METHAMIDOPHOS	10265-92-6	1.8	G	5.1	G	180	G	510	G	1.8	G	5.1	G
METHANOL	67-56-1	4,900	N	10,000	N	490,000	N	1,000,000	N	490,000	N	1,000,000	N
METHOMYL	16752-77-5	200	H	200	H	20000	H	20000	H	200	H	200	H
METHOXYCHLOR	72-43-5	40	M	40	M	45	S	45	S	45	S	45	S
METHOXYETHANOL, 2-	109-86-4	37	G	100	G	3,700	G	10,000	G	37	G	100	G
METHYL ACETATE	79-20-9	37,000	G	100,000	G	3,700,000	G	10,000,000	G	37,000	G	100,000	G
METHYL ACRYLATE	96-33-3	1,100	G	3,100	G	110,000	G	310,000	G	110,000	G	310,000	G
METHYL CHLORIDE	74-87-3	3	H	3	H	300	H	300	H	300	H	300	H
METHYL ETHYL KETONE	78-93-3	2,800	N	5,800	N	280,000	N	580,000	N	280,000	N	580,000	N
METHYL ISOBUTYL KETONE	108-10-1	190	N	410	N	19,000	N	41,000	N	19,000	N	41,000	N
METHYL METHACRYLATE	80-62-6	1,900	N	4,100	N	190,000	N	410,000	N	190,000	N	410,000	N
METHYL METHANESULFONATE	66-27-3	6.7	G	26	G	670	G	2600	G	6.7	G	26	G
METHYL PARATHION	298-00-0	2	H	2	H	200	H	200	H	200	H	200	H
METHYL STYRENE (MIXED ISOMERS)	25013-15-4	220	G	610	G	22,000	G	61,000	G	220	G	610	G
METHYL TERT-BUTYL ETHER (MTBE)	1634-04-4	20	H	20	H	2,000	H	2,000	H	200	H	200	H
METHYLENE BIS(2-CHLOROANILINE), 4,4'-	101-14-4	5.1	G	20	G	510	G	2,000	G	5.1	G	20	G
METHYLNAPHTHALENE, 2-	91-57-6	730	G	2,000	G	25,000	S	25,000	S	730	G	2000	G
METHYLSTYRENE, ALPHA	98-83-9	680	N	1,400	N	68,000	N	140,000	N	680	N	1,400	N
NAPHTHALENE	91-20-3	100	H	100	H	10,000	H	10,000	H	30,000	S	30,000	S
NAPHTHYLAMINE, 1-	134-32-7	0.37	G	1.4	G	37	G	140	G	370	G	1,400	G
NAPHTHYLAMINE, 2-	91-59-8	0.37	G	1.4	G	37	G	140	G	370	G	1,400	G
NAPROPAMIDE	15299-99-7	3,700	G	10,000	G	70,000	S	70,000	S	3,700	G	10,000	G
NITROANILINE, M-	99-09-2	2.1	G	5.8	G	210	G	580	G	2.1	G	5.8	G
NITROANILINE, O-	88-74-4	2.1	G	5.8	G	210	G	580	G	2.1	G	5.8	G
NITROANILINE, P-	100-01-6	2.1	G	5.8	G	210	G	580	G	2.1	G	5.8	G
NITROBENZENE	98-95-3	18	G	51	G	1,800	G	5,100	G	18,000	G	51,000	G
NITROPHENOL, 2-	88-75-5	290	G	820	G	29,000	G	82,000	G	290,000	G	820,000	G

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
NITROPHENOL, 4-	100-02-7	60	H	60	H	6,000	H	6,000	H	60,000	H	60,000	H
NITROPROPANE, 2-	79-46-9	0.016	N	0.068	N	1.6	N	6.8	N	0.16	N	0.68	N
NITROSODIETHYLAMINE, N-	55-18-5	0.001	N	0.0043	N	0.1	N	0.43	N	0.01	N	0.043	N
NITROSODIMETHYLAMINE, N-	62-75-9	0.0031	N	0.013	N	0.31	N	1.3	N	0.031	N	0.13	N
NITROSO-DI-N-BUTYLAMINE, N-	924-16-3	0.027	N	0.11	N	2.7	N	11	N	2.7	N	11	N
NITROSODI-N-PROPYLAMINE, N-	621-64-7	0.094	G	0.37	G	9.4	G	37	G	94	G	370	G
NITROSODIPHENYLAMINE, N-	86-30-6	130	G	530	G	13,000	G	35,000	S	35,000	S	35,000	S
NITROSO-N-ETHYLUREA, N-	759-73-9	0.0047	G	0.019	G	0.47	G	1.9	G	0.47	G	1.9	G
OCTYL PHTHALATE, DI-N-	117-84-0	730	G	2,000	G	3,000	S	3,000	S	3,000	S	3,000	S
OXAMYL (VYDATE)	23135-22-0	200	M	200	M	20,000	M	20,000	M	200	M	200	M
PARATHION	56-38-2	220	G	610	G	20,000	S	20,000	S	220	G	610	G
PCB-1016 (AROCLOR)	12674-11-2	2.6	G	7.2	G	250	S	250	S	2.6	G	7.2	G
PCB-1221 (AROCLOR)	11104-28-2	1.3	G	5.2	G	130	G	520	G	1.3	G	5.2	G
PCB-1232 (AROCLOR)	11141-16-5	1.3	G	5.2	G	130	G	520	G	1.3	G	5.2	G
PCB-1242 (AROCLOR)	53469-21-9	1.3	G	5.2	G	100	S	100	S	1.3	G	5.2	G
PCB-1248 (AROCLOR)	12672-29-6	0.37	G	1.4	G	37	G	37	G	0.37	G	1.4	G
PCB-1254 (AROCLOR)	11097-69-1	0.37	G	1.4	G	37	G	37	G	0.37	G	1.4	G
PCB-1260 (AROCLOR)	11096-82-5	1.1	G	4.3	G	80	S	80	S	1.1	G	4.3	G
PEBULATE	1114-71-2	1,800	G	5,100	G	92,000	S	92,000	S	1,800	G	5,100	G
PENTACHLOROBENZENE	608-93-5	29	G	82	G	740	S	740	S	740	S	740	S
PENTACHLORONITROBENZENE	82-68-8	2.5	G	10	G	250	G	440	S	440	S	440	S
PENTACHLOROPHENOL	87-86-5	1	M	1	M	100	M	100	M	1,000	M	1,000	M
PHENACETIN	62-44-2	300	G	1,200	G	30,000	G	120,000	G	300,000	G	760,000	S
PHENANTHRENE	85-01-8	1,100	S	1,100	S	1,100	S	1,100	S	1,100	S	1,100	S
PHENOL	108-95-2	4,000	H	4,000	H	400,000	H	400,000	H	400,000	H	400,000	H
PHENYLENEDIAMINE, M-	108-45-2	220	G	610	G	22,000	G	61,000	G	220,000	G	610,000	G
PHENYLPHENOL, 2-	90-43-7	340	G	1,300	G	34,000	G	130,000	G	340,000	G	700,000	G
PHORATE	298-02-2	1.9	N	4.1	N	190	N	410	N	1.9	N	4.1	N
PHTHALIC ANHYDRIDE	85-44-9	73,000	G	200,000	G	6,200,000	S	6,200,000	S	6,200,000	S	6,200,000	S
PICLORAM	1918-02-1	500	M	500	M	50,000	M	50,000	M	500	M	500	M
POLYCHLORINATED BIPHENYLS (AROCLORS) (PCBS)	1336-36-3	0.5	M	0.5	M	50	M	50	M	0.5	M	0.5	M
PRONAMIDE	23950-58-5	50	H	50	H	5,000	H	5,000	H	50	H	50	H
PROPANIL	709-98-8	180	G	510	G	18,000	G	51,000	G	180	G	510	G

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
PROPHAM	122-42-9	730	G	2,000	G	73,000	G	200,000	G	730	G	2,000	G
PROPYLBENZENE, N-	103-65-1	1,500	G	4,100	G	52,000	S	52,000	S	1,500	G	4,100	G
PROPYLENE OXIDE	75-56-9	2.8	G	11	G	280	G	1,100	G	2.8	G	11	G
PYRENE	129-00-0	130	S	130	S	130	S	130	S	130	S	130	S
PYRIDINE	110-86-1	9.7	N	20	N	970	N	2,000	N	97	N	200	N
QUINOLINE	91-22-5	0.055	G	0.22	G	5.5	G	22	G	55	G	220	G
QUIZALOFOP (ASSURE)	76578-14-8	300	S	300	S	300	S	300	S	300	S	300	S
RONNEL	299-84-3	1,800	G	5,100	G	40,000	S	40,000	S	1,800	G	5,100	G
SIMAZINE	122-34-9	4	M	4	M	400	M	400	M	4	M	4	M
STRYCHNINE	57-24-9	11	G	31	G	1,100	G	3,100	G	11,000	G	31,000	G
STYRENE	100-42-5	100	M	100	M	10,000	M	10,000	M	10,000	M	10,000	M
TEBUTHIURON	34014-18-1	500	H	500	H	50,000	H	50,000	H	500	H	500	H
TERBACIL	5902-51-2	90	H	90	H	9,000	H	9,000	H	90	H	90	H
TERBUFOS	13071-79-9	0.9	H	0.9	H	90	H	90	H	0.9	H	0.9	H
TETRACHLOROBENZENE, 1,2,4,5-	95-94-3	11	G	31	G	580	S	580	S	580	S	580	S
TETRACHLORODIBENZO-P-DIOXIN, 2,3,7,8- (TCDD)	1746-01-6	0.00003	M	0.00003	M	0.003	M	0.003	M	0.019	S	0.019	S
TETRACHLOROETHANE, 1,1,1,2-	630-20-6	70	H	70	H	7,000	H	7,000	H	7,000	H	7,000	H
TETRACHLOROETHANE, 1,2,2,2-	79-34-5	0.3	N	0.3	N	30	N	30	N	30	N	30	N
TETRACHLOROETHYLENE (PCE)	127-18-4	5	M	5	M	500	M	500	M	50	M	50	M
TETRACHLOROPHENOL, 2,3,4,6-	58-90-2	290	N	610	N	29,000	N	61,000	N	29,000	N	61,000	N
TETRAETHYL LEAD	78-00-2	0.0037	G	0.01	G	0.37	G	1	G	3.7	G	10	G
TETRAETHYLDITHIOPYROPHOSPHATE	3689-24-5	4.9	N	10	N	490	N	1,000	N	4.9	N	10	N
THIOFANOX	39196-18-4	11	G	31	G	1,100	G	3,100	G	11	G	31	G
THIRAM	137-26-8	180	G	510	G	18,000	G	30,000	S	180	G	510	G
TOLUENE	108-88-3	1,000	M	1,000	M	100,000	M	100,000	M	100,000	M	100,000	M
TOLUIDINE, M-	108-44-1	2.8	G	11	G	280	G	1,100	G	2.8	G	11	G
TOLUIDINE, O	95-53-4	2.8	G	11	G	280	G	1,100	G	2,800	G	11,000	G
TOLUIDINE, P-	106-49-0	3.5	G	14	G	350	G	1,400	G	3.5	G	14	G
TOXAPHENE	8001-35-2	3	M	3	M	300	M	300	M	3	M	3	M
TRIALLATE	2303-17-5	470	G	1,300	G	4,000	S	4,000	S	470	G	1,300	G
TRIBROMOMETHANE (BROMOFORM)	75-25-2	100	M	100	M	10,000	M	10,000	M	1,000	M	1,000	M
TRICHLORO-1,2,2-TRIFLUOROETHANE, 1,1,2-	76-13-1	83,000	N	170,000	S	170,000	S	170,000	S	170,000	N	170,000	S
TRICHLOROBENZENE, 1,2,4-	120-82-1	70	M	70	M	7,000	M	7,000	M	44,000	S	44,000	S

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2500				TDS > 2500
		R		NR		R		NR		R		NR
TRICHLOROBENZENE, 1,3,5-	108-70-3	40	H	40	H	4,000	H	4000	H	40	H	40	H
TRICHLOROETHANE, 1,1,1-	71-55-6	200	M	200	M	20,000	M	20,000	M	2,000	M	2,000	M
TRICHLOROETHANE, 1,1,2-	79-00-5	5	M	5	M	500	M	500	M	50	M	50	M
TRICHLOROETHYLENE (TCE)	79-01-6	5	M	5	M	500	M	500	M	50	M	50	M
TRICHLOROPHENOL, 2,4,5-	95-95-4	3,700	G	10,000	G	370,000	G	1,000,000	G	100,000	S	1,000,000	S
TRICHLOROPHENOL, 2,4,6-	88-06-2	11	G	31	G	1,100	G	3,100	G	11,000	G	31,000	G
TRICHLOROPHENOXYACETIC ACID, 2,4,5- (2,4,5-T)	93-76-5	70	H	70	H	7,000	H	7,000	H	70,000	H	70,000	H
TRICHLOROPHENOXYPROPIONIC ACID, 2,4,5- (2,4,5-TP)	93-72-1	50	M	50	M	5,000	M	5,000	M	50	M	50	M
TRICHLOROPROPANE, 1,1,2-	598-77-6	180	G	510	G	18,000	G	51,000	G	180	G	510	G
TRICHLOROPROPANE, 1,2,3-	96-18-4	40	H	40	H	4,000	H	4000	H	4,000	H	4,000	H
TRICHLOROPROPENE, 1,2,3-	96-19-5	180	G	510	G	18,000	G	51,000	G	180	G	510	G
TRIFLURALIN	1582-09-8	5	H	5	H	500	H	500	H	5	H	5	H
TRIMETHYLBENZENE, 1,3,4- (TRIMETHYLBENZENE, 1,2,4-)	95-63-6	16	N	35	N	1,600	N	3,500	N	1,600	N	3,500	N
TRIMETHYLBENZENE, 1,3,5-	108-67-8	16	N	35	N	1,600	N	3,500	N	16	N	35	N
TRINITROTOLUENE, 2,4,6-	118-96-7	2	H	2	H	200	H	200	H	2	H	2	H
VINYL ACETATE	108-05-4	550	N	1200	N	55,000	N	120,000	N	550	N	1,200	N
VINYL BROMIDE (BROMOETHENE)	593-60-2	1.4	N	5.8	N	140	N	580	N	14	N	58	N
VINYL CHLORIDE	75-01-4	2	M	2	M	200	M	200	M	20	M	20	M
WARFARIN	81-81-2	11	G	31	G	1,100	G	3,100	G	11,000	G	17,000	S
XYLENES (TOTAL)	1330-20-7	10,000	M	10,000	M	180,000	S	180,000	S	180,000	S	180,000	S
ZINEB	12122-67-7	1,800	G	5,100	G	10,000	S	10,000	S	1,800	G	5,100	G

REGULATED SUBSTANCE	CASRN	USED AQUIFERS								NON-USE AQUIFERS
		TDS <= 2,500				TDS > 2,500
		R		NR		R		NR		R		NR
ANTIMONY	7440-36-0	6	M	6	M	600	M	600	M	6,000	M	6,000	M
ARSENIC	7440-38-2	50	M	50	M	5,000	M	5,000	M	50,000	M	50,000	M
ASBESTOS (fibers/L)	12001-29-5	7,000,000	M	7,000,000	M	7,000,000	M	7,000,000	M	7,000,000	M	7,000,000	M
BARIUM AND COMPOUNDS	7440-39-3	2,000	M	2,000	M	200,000	M	200,000	M	2,000,000	M	2,000,000	M
BERYLLIUM	7440-41-7	4	M	4	M	400	M	400	M	4,000	M	4,000	M
BORON AND COMPOUNDS	7440-42-8	600	H	600	H	60,000	H	60,000	H	600,000	H	600,000	H
CADMIUM	7440-43-9	5	M	5	M	500	M	500	M	5,000	M	5,000	M
CHROMIUM, TOTAL	16065-83-1	100	M	100	M	10,000	M	10,000	M	100,000	M	100,000	M
COBALT	7440-48-4	730	G	2,000	G	73,000	G	200,000	G	73,000	G	200,000	G
COPPER	7440-50-8	1,000	M	1,000	M	100,000	M	100,000	M	1,000,000	M	1,000,000	M
CYANIDE, FREE	57-12-5	200	M	200	M	20,000	M	20,000	M	200,000	M	200,000	M
LEAD	7439-92-1	5	M	5	M	500	M	500	M	5,000	M	5,000	M
MERCURY	7439-97-6	2	M	2	M	200	M	200	M	2,000	M	2,000	M
NICKEL	7440-02-0	100	H	100	H	10,000	H	10,000	H	100,000	H	100,000	H
NITRATE NITROGEN	14797-55-8	10,000	M	10,000	M	1,000,000	M	1,000,000	M	10,000,000	M	10,000,000	M
NITRITE NITROGEN	14797-65-0	1,000	M	1,000	M	100,000	M	100,000	M	1,000,000	M	1,000,000	M
SELENIUM	7782-49-2	50	M	50	M	5,000	M	5,000	M	50,000	M	50,000	M
SILVER	7440-22-4	100	H	100	H	10,000	H	10,000	H	100,000	H	100,000	H
SULFATE		500,000	M	500,000	M	50,000,000	M	50,000,000	M	500,000,000	M	500,000,000	M
THALLIUM	7440-28-0	2	M	2	M	200	M	200	M	2,000	M	2,000	M
TIN	7440-31-5	22,000	G	61,000	G	2,200,000	G	6,100,000	G	22,000,000	G	61,000,000	G
VANADIUM	7440-62-2	260	G	720	G	26,000	G	72,000	G	260,000	G	720,000	G
ZINC AND COMPOUNDS	7440-66-6	2,000	H	2,000	H	200,000	H	200,000	H	2,000,000	H	2,000,000	H

REGULATED	SMCL
SUBSTANCE
ALUMINUM	200
CHLORIDE	250,000
FLUORIDE	2,000
IRON	300
MANGANESE	50