Pennsylvania cleanup levels
The Pennsylvania Department of Environmental Protection's Statewide Health Standard Tables 1 to 4b and its PFAS groundwater table list 407 chemicals with a CAS number. Each chemical below has a page showing its values as the agency prints them.
407Chemicals
7DEP files
October 5, 2026Files read
- DEP's PFAS groundwater table
- Table 1: Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater
- Table 2: Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater
- Table 2: Secondary Contaminants
- Table 3a: Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Soil: A. Direct Contact Numeric Values
- Table 3b: Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Soil: B. Soil to Groundwater Numeric Values
- Table 4a: Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Soil: A. Direct Contact Numeric Values
- Table 4b: Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Soil: B. Soil to Groundwater Numeric Values
- ACENAPHTHENE 83-32-9
- ACENAPHTHYLENE 208-96-8
- ACEPHATE 30560-19-1
- ACETALDEHYDE 75-07-0
- ACETONE 67-64-1
- ACETONITRILE 75-05-8
- ACETOPHENONE 98-86-2
- ACETYLAMINOFLUORENE, 2- (2AAF) 53-96-3
- ACROLEIN 107-02-8
- ACRYLAMIDE 79-06-1
- ACRYLIC ACID 79-10-7
- ACRYLONITRILE 107-13-1
- ALACHLOR 15972-60-8
- ALDICARB 116-06-3
- ALDICARB SULFONE 1646-88-4
- ALDICARB SULFOXIDE 1646-87-3
- ALDRIN 309-00-2
- ALLYL ALCOHOL 107-18-6
- ALUMINUM 7429-90-5
- AMETRYN 834-12-8
- AMINOBIPHENYL, 4- 92-67-1
- AMITROLE 61-82-5
- AMMONIA 7664-41-7
- AMMONIUM SULFAMATE 7773-06-0
- ANILINE 62-53-3
- ANTHRACENE 120-12-7
- ANTIMONY 7440-36-0
- ARSENIC 7440-38-2
- ASBESTOS (fibers/L) 12001-29-5
- ATRAZINE 1912-24-9
- AZINPHOS-METHYL (GUTHION) 86-50-0
- BARIUM AND COMPOUNDS 7440-39-3
- BAYGON (PROPOXUR) 114-26-1
- BENOMYL 17804-35-2
- BENTAZON 25057-89-0
- BENZENE 71-43-2
- BENZIDINE 92-87-5
- BENZO[A]ANTHRACENE 56-55-3
- BENZO[A]PYRENE 50-32-8
- BENZO[B]FLUORANTHENE 205-99-2
- BENZO[GHI]PERYLENE 191-24-2
- BENZO[K]FLUORANTHENE 207-08-9
- BENZOIC ACID 65-85-0
- BENZOTRICHLORIDE 98-07-7
- BENZYL ALCOHOL 100-51-6
- BENZYL CHLORIDE 100-44-7
- BERYLLIUM 7440-41-7
- BETA PROPIOLACTONE 57-57-8
- BHC, ALPHA- 319-84-6
- BHC, BETA- 319-85-7
- BHC, GAMMA (LINDANE) 58-89-9
- BIPHENYL, 1,1- 92-52-4
- BIS(2-CHLORO-ISOPROPYL)ETHER 108-60-1
- BIS(2-CHLOROETHOXY)METHANE 111-91-1
- BIS(2-CHLOROETHYL)ETHER 111-44-4
- BIS(CHLOROMETHYL)ETHER 542-88-1
- BIS[2-ETHYLHEXYL] PHTHALATE 117-81-7
- BISPHENOL A 80-05-7
- BORON AND COMPOUNDS 7440-42-8
- BROMACIL 314-40-9
- BROMOBENZENE 108-86-1
- BROMOCHLOROMETHANE 74-97-5
- BROMODICHLOROMETHANE 75-27-4
- BROMOMETHANE 74-83-9
- BROMOXYNIL 1689-84-5
- BROMOXYNIL OCTANOATE 1689-99-2
- BUTADIENE, 1,3- 106-99-0
- BUTYL ALCOHOL, N- 71-36-3
- BUTYLATE 2008-41-5
- BUTYLBENZENE, N- 104-51-8
- BUTYLBENZENE, SEC- 135-98-8
- BUTYLBENZENE, TERT- 98-06-6
- BUTYLBENZYL PHTHALATE 85-68-7
- CADMIUM 7440-43-9
- CAPTAN 133-06-2
- CARBARYL 63-25-2
- CARBAZOLE 86-74-8
- CARBOFURAN 1563-66-2
- CARBON DISULFIDE 75-15-0
- CARBON TETRACHLORIDE 56-23-5
- CARBOXIN 5234-68-4
- CHLORAMBEN 133-90-4
- CHLORDANE 57-74-9
- CHLORIDE 7647-14-5
- CHLORO-1-PROPENE, 3- (ALLYL CHLORIDE) 107-05-1
- CHLORO-1,1-DIFLUOROETHANE, 1- 75-68-3
- CHLOROACETALDEHYDE 107-20-0
- CHLOROANILINE, P- 106-47-8
- CHLOROBENZENE 108-90-7
- CHLOROBENZILATE 510-15-6
- CHLOROBUTANE, 1- 109-69-3
- CHLORODIBROMOMETHANE (THM) 124-48-1
- CHLORODIFLUOROMETHANE 75-45-6
- CHLOROETHANE 75-00-3
- CHLOROFORM (THM) 67-66-3
- CHLORONAPHTHALENE, 2- 91-58-7
- CHLORONITROBENZENE, P- 100-00-5
- CHLOROPHENOL, 2- 95-57-8
- CHLOROPRENE 126-99-8
- CHLOROPROPANE, 2- 75-29-6
- CHLOROTHALONIL 1897-45-6
- CHLOROTOLUENE, O- 95-49-8
- CHLOROTOLUENE, P- 106-43-4
- CHLORPYRIFOS 2921-88-2
- CHLORSULFURON 64902-72-3
- CHLORTHAL-DIMETHYL (DACTHAL) (DCPA) 1861-32-1
- CHROMIUM (TOTAL) 7440-47-3
- CHROMIUM III 16065-83-1
- CHROMIUM VI 18540-29-9
- CHRYSENE 218-01-9
- COBALT 7440-48-4
- COPPER 7440-50-8
- CRESOL, DINITRO-O-,4,6- 534-52-1
- CRESOL, M (METHYLPHENOL, 3-) 108-39-4
- CRESOL, O- (METHYLPHENOL, 2-) 95-48-7
- CRESOL, P (METHYLPHENOL, 4-) 106-44-5
- CRESOL, P-CHLORO-M- 59-50-7
- CRESOLS 1319-77-3
- CROTONALDEHYDE 4170-30-3
- CROTONALDEHYDE, TRANS- 123-73-9
- CUMENE (ISOPROPYL BENZENE) 98-82-8
- CYANAZINE 21725-46-2
- CYANIDE, FREE 57-12-5
- CYCLOHEXANE 110-82-7
- CYCLOHEXANONE 108-94-1
- CYFLUTHRIN 68359-37-5
- CYROMAZINE 66215-27-8
- DDD, 4,4'- 72-54-8
- DDE, 4,4'- 72-55-9
- DDT, 4,4'- 50-29-3
- DI(2-ETHYLHEXYL)ADIPATE 103-23-1
- DIALLATE 2303-16-4
- DIAMINOTOLUENE, 2,4- 95-80-7
- DIAZINON 333-41-5
- DIBENZO[A,H]ANTHRACENE 53-70-3
- DIBENZOFURAN 132-64-9
- DIBROMO-3-CHLOROPROPANE, 1,2- 96-12-8
- DIBROMOBENZENE, 1,4- 106-37-6
- DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE) 106-93-4
- DIBROMOMETHANE 74-95-3
- DIBUTYL PHTHALATE, N- 84-74-2
- DICAMBA 1918-00-9
- DICHLORO-2-BUTENE, 1,4- 764-41-0
- DICHLORO-2-BUTENE, TRANS-1,4- 110-57-6
- DICHLOROACETIC ACID (HAA) 79-43-6
- DICHLOROBENZENE, 1,2- 95-50-1
- DICHLOROBENZENE, 1,3- 541-73-1
- DICHLOROBENZENE, P- 106-46-7
- DICHLOROBENZIDINE, 3,3'- 91-94-1
- DICHLORODIFLUOROMETHANE (FREON 12) 75-71-8
- DICHLOROETHANE, 1,1- 75-34-3
- DICHLOROETHANE, 1,2- 107-06-2
- DICHLOROETHYLENE, 1,1- 75-35-4
- DICHLOROETHYLENE, CIS-1,2- 156-59-2
- DICHLOROETHYLENE, TRANS-1,2- 156-60-5
- DICHLOROMETHANE (METHYLENE CHLORIDE) 75-09-2
- DICHLOROPHENOL, 2,4- 120-83-2
- DICHLOROPHENOXYACETIC ACID, 2,4- (2,4-D) 94-75-7
- DICHLOROPROPANE, 1,2- 78-87-5
- DICHLOROPROPENE, 1,3- 542-75-6
- DICHLOROPROPIONIC ACID, 2,2- (DALAPON) 75-99-0
- DICHLORVOS 62-73-7
- DICYCLOPENTADIENE 77-73-6
- DIELDRIN 60-57-1
- DIETHANOLAMINE 111-42-2
- DIETHYL PHTHALATE 84-66-2
- DIFLUBENZURON 35367-38-5
- DIISOPROPYL METHYLPHOSPHONATE 1445-75-6
- DIMETHOATE 60-51-5
- DIMETHOXYBENZIDINE, 3,3- 119-90-4
- DIMETHRIN 70-38-2
- DIMETHYL METHYLPHOSPHONATE 756-79-6
- DIMETHYLAMINOAZOBENZENE, P- 60-11-7
- DIMETHYLANILINE, N,N- 121-69-7
- DIMETHYLBENZIDINE, 3,3- 119-93-7
- DIMETHYLPHENOL, 2,4- 105-67-9
- DINITROBENZENE, 1,3- 99-65-0
- DINITROPHENOL, 2,4- 51-28-5
- DINITROTOLUENE, 2,4- 121-14-2
- DINITROTOLUENE, 2,6- (2,6-DNT) 606-20-2
- DINOSEB 88-85-7
- DIOXANE, 1,4- 123-91-1
- DIPHENAMID 957-51-7
- DIPHENYLAMINE 122-39-4
- DIPHENYLHYDRAZINE, 1,2- 122-66-7
- DIQUAT 85-00-7
- DISULFOTON 298-04-4
- DITHIANE, 1,4- 505-29-3
- DIURON 330-54-1
- ENDOSULFAN 115-29-7
- ENDOSULFAN I (ALPHA) 959-98-8
- ENDOSULFAN II (BETA) 33213-65-9
- ENDOSULFAN SULFATE 1031-07-8
- ENDOTHALL 145-73-3
- ENDRIN 72-20-8
- EPICHLOROHYDRIN 106-89-8
- ETHEPHON 16672-87-0
- ETHION 563-12-2
- ETHOXYETHANOL, 2- (EGEE) 110-80-5
- ETHYL ACETATE 141-78-6
- ETHYL ACRYLATE 140-88-5
- ETHYL BENZENE 100-41-4
- ETHYL DIPROPYLTHIOCARBAMATE, S- (EPTC) 759-94-4
- ETHYL ETHER 60-29-7
- ETHYL METHACRYLATE 97-63-2
- ETHYLENE CHLORHYDRIN 107-07-3
- ETHYLENE GLYCOL 107-21-1
- ETHYLENE THIOUREA (ETU) 96-45-7
- ETHYLP-NITROPHENYL PHENYLPHOSPHOROTHIOATE 2104-64-5
- FENAMIPHOS 22224-92-6
- FENVALERATE (PYDRIN) 51630-58-1
- FLUOMETURON 2164-17-2
- FLUORANTHENE 206-44-0
- FLUORENE 86-73-7
- FLUORIDE 16984-48-8
- FLUOROTRICHLOROMETHANE (FREON 11) 75-69-4
- FONOFOS 944-22-9
- FORMALDEHYDE 50-00-0
- FORMIC ACID 64-18-6
- FOSETYL-AL 39148-24-8
- FURAN 110-00-9
- FURFURAL 98-01-1
- GLYPHOSATE 1071-83-6
- HEPTACHLOR 76-44-8
- HEPTACHLOR EPOXIDE 1024-57-3
- HEXACHLOROBENZENE 118-74-1
- HEXACHLOROBUTADIENE 87-68-3
- HEXACHLOROCYCLOPENTADIENE 77-47-4
- HEXACHLOROETHANE 67-72-1
- HEXAFLUOROPROPYLENE OXIDE (HFPO) DIMER ACID (Gen-X) 13252-13-6
- HEXANE 110-54-3
- HEXAZINONE 51235-04-2
- HEXYTHIAZOX (SAVEY) 78587-05-0
- HMX 2691-41-0
- HYDRAZINE/HYDRAZINE SULFATE 302-01-2
- HYDROQUINONE 123-31-9
- INDENO[1,2,3-CD]PYRENE 193-39-5
- IPRODIONE 36734-19-7
- IRON 7439-89-6
- ISOBUTYL ALCOHOL 78-83-1
- ISOPHORONE 78-59-1
- ISOPROPYL METHYLPHOSPHONATE 1832-54-8
- KEPONE 143-50-0
- LEAD 7439-92-1
- LITHIUM 7439-93-2
- MALATHION 121-75-5
- MALEIC HYDRAZIDE 123-33-1
- MANEB 12427-38-2
- MANGANESE 7439-96-5
- MERCURY 7439-97-6
- MERPHOS OXIDE 78-48-8
- METHACRYLONITRILE 126-98-7
- METHAMIDOPHOS 10265-92-6
- METHANOL 67-56-1
- METHOMYL 16752-77-5
- METHOXYCHLOR 72-43-5
- METHOXYETHANOL, 2- 109-86-4
- METHYL ACETATE 79-20-9
- METHYL ACRYLATE 96-33-3
- METHYL CHLORIDE 74-87-3
- METHYL ETHYL KETONE 78-93-3
- METHYL HYDRAZINE 60-34-4
- METHYL ISOBUTYL KETONE 108-10-1
- METHYL ISOCYANATE 624-83-9
- METHYL METHACRYLATE 80-62-6
- METHYL METHANESULFONATE 66-27-3
- METHYL N-BUTYL KETONE 591-78-6
- METHYL PARATHION 298-00-0
- METHYL STYRENE (MIXED ISOMERS) 25013-15-4
- METHYL TERT-BUTYL ETHER (MTBE) 1634-04-4
- METHYLCHLOROPHENOXYACETIC ACID (MCPA) 94-74-6
- METHYLENE BIS(2-CHLOROANILINE), 4,4'- 101-14-4
- METHYLNAPHTHALENE, 2- 91-57-6
- METHYLSTYRENE, ALPHA 98-83-9
- METOLACHLOR 51218-45-2
- METRIBUZIN 21087-64-9
- MEVINPHOS 7786-34-7
- MOLYBDENUM 7439-98-7
- MONOCHLOROACETIC ACID 79-11-8
- NAPHTHALENE 91-20-3
- NAPHTHYLAMINE, 1- 134-32-7
- NAPHTHYLAMINE, 2- 91-59-8
- NAPROPAMIDE 15299-99-7
- NICKEL 7440-02-0
- NITRATE NITROGEN 14797-55-8
- NITRITE NITROGEN 14797-65-0
- NITROANILINE, O- 88-74-4
- NITROANILINE, P- 100-01-6
- NITROBENZENE 98-95-3
- NITROGUANIDINE 556-88-7
- NITROPHENOL, 2- 88-75-5
- NITROPHENOL, 4- 100-02-7
- NITROPROPANE, 2- 79-46-9
- NITROSO-DI-N-BUTYLAMINE, N- 924-16-3
- NITROSO-N-ETHYLUREA, N- 759-73-9
- NITROSODI-N-PROPYLAMINE, N- 621-64-7
- NITROSODIETHYLAMINE, N- 55-18-5
- NITROSODIMETHYLAMINE, N- 62-75-9
- NITROSODIPHENYLAMINE, N- 86-30-6
- OCTYL PHTHALATE, DI-N- 117-84-0
- OXAMYL (VYDATE) 23135-22-0
- PARAQUAT 1910-42-5
- PARATHION 56-38-2
- PCB-1016 (AROCLOR) 12674-11-2
- PCB-1221 (AROCLOR) 11104-28-2
- PCB-1232 (AROCLOR) 11141-16-5
- PCB-1242 (AROCLOR) 53469-21-9
- PCB-1248 (AROCLOR) 12672-29-6
- PCB-1254 (AROCLOR) 11097-69-1
- PCB-1260 (AROCLOR) 11096-82-5
- PEBULATE 1114-71-2
- PENTACHLOROBENZENE 608-93-5
- PENTACHLOROETHANE 76-01-7
- PENTACHLORONITROBENZENE 82-68-8
- PENTACHLOROPHENOL 87-86-5
- PERCHLORATE 7790-98-9
- PERFLUOROBUTANE SULFONIC ACID (PFBS) 375-73-5
- PERFLUOROHEXANE SULFONIC ACID (PFHxS) 108427-53-8
- PERFLUORONONAOIC ACID (PFNA) 72007-68-2
- PERFLUOROOCTANE SULFONATE (PFOS) 1763-23-1
- PERFLUOROOCTANOIC ACID (PFOA) 335-67-1
- PHENACETIN 62-44-2
- PHENANTHRENE 85-01-8
- PHENOL 108-95-2
- PHENYL MERCAPTAN 108-98-5
- PHENYLENEDIAMINE, M- 108-45-2
- PHENYLPHENOL, 2- 90-43-7
- PHORATE 298-02-2
- PHTHALIC ANHYDRIDE 85-44-9
- PICLORAM 1918-02-1
- POLYCHLORINATED BIPHENYLS (PCBS) (AROCHLORS) 1336-36-3
- PROMETON 1610-18-0
- PRONAMIDE 23950-58-5
- PROPACHLOR 1918-16-7
- PROPANIL 709-98-8
- PROPANOL, 2- (ISOPROPYL ALCOHOL) 67-63-0
- PROPAZINE 139-40-2
- PROPHAM 122-42-9
- PROPYLBENZENE, N- 103-65-1
- PROPYLENE OXIDE 75-56-9
- PYRENE 129-00-0
- PYRETHRUM 8003-34-7
- PYRIDINE 110-86-1
- QUINOLINE 91-22-5
- QUIZALOFOP (ASSURE) 76578-14-8
- RDX 121-82-4
- RESORCINOL 108-46-3
- RONNEL 299-84-3
- SELENIUM 7782-49-2
- SILVER 7440-22-4
- SIMAZINE 122-34-9
- STRONTIUM 7440-24-6
- STRYCHNINE 57-24-9
- STYRENE 100-42-5
- SULFATE 7757-82-6
- TEBUTHIURON 34014-18-1
- TERBACIL 5902-51-2
- TERBUFOS 13071-79-9
- TETRACHLOROBENZENE, 1,2,4,5- 95-94-3
- TETRACHLORODIBENZO-P-DIOXIN, 2,3,7,8- (TCDD) 1746-01-6
- TETRACHLOROETHANE, 1,1,1,2- 630-20-6
- TETRACHLOROETHANE, 1,1,2,2- 79-34-5
- TETRACHLOROETHYLENE (PCE) 127-18-4
- TETRACHLOROPHENOL, 2,3,4,6- 58-90-2
- TETRAETHYL LEAD 78-00-2
- TETRAETHYLDITHIOPYROPHOSPHATE 3689-24-5
- TETRAHYDROFURAN 109-99-9
- THALLIUM 7440-28-0
- THIOFANOX 39196-18-4
- THIRAM 137-26-8
- TIN 7440-31-5
- TOLUENE 108-88-3
- TOLUIDINE, M- 108-44-1
- TOLUIDINE, O 95-53-4
- TOLUIDINE, P- 106-49-0
- TOXAPHENE 8001-35-2
- TRIALLATE 2303-17-5
- TRIBROMOMETHANE (BROMOFORM) 75-25-2
- TRICHLORO-1,2,2-TRIFLUOROETHANE, 1,1,2- 76-13-1
- TRICHLOROACETIC ACID 76-03-9
- TRICHLOROBENZENE, 1,2,4- 120-82-1
- TRICHLOROBENZENE, 1,3,5- 108-70-3
- TRICHLOROETHANE, 1,1,1- 71-55-6
- TRICHLOROETHANE, 1,1,2- 79-00-5
- TRICHLOROETHYLENE (TCE) 79-01-6
- TRICHLOROPHENOL, 2,4,5- 95-95-4
- TRICHLOROPHENOL, 2,4,6- 88-06-2
- TRICHLOROPHENOXYACETIC ACID, 2,4,5- (2,4,5-T) 93-76-5
- TRICHLOROPHENOXYPROPIONIC ACID, 2,4,5- (2,4,5-TP) 93-72-1
- TRICHLOROPROPANE, 1,1,2- 598-77-6
- TRICHLOROPROPANE, 1,2,3- 96-18-4
- TRICHLOROPROPENE, 1,2,3- 96-19-5
- TRIETHYLAMINE 121-44-8
- TRIETHYLENE GLYCOL 112-27-6
- TRIFLURALIN 1582-09-8
- TRIMETHYLBENZENE, 1,3,4- (TRIMETHYLBENZENE, 1,2,4-) 95-63-6
- TRIMETHYLBENZENE, 1,3,5- 108-67-8
- TRINITROGLYCEROL (NITROGLYCERIN) 55-63-0
- TRINITROTOLUENE, 2,4,6- 118-96-7
- VANADIUM 7440-62-2
- VINYL ACETATE 108-05-4
- VINYL BROMIDE (BROMOETHENE) 593-60-2
- VINYL CHLORIDE 75-01-4
- WARFARIN 81-81-2
- XYLENES (TOTAL) 1330-20-7
- ZINC AND COMPOUNDS 7440-66-6
- ZINEB 12122-67-7
Source
Pennsylvania Department of Environmental Protection, Statewide Health Standard Medium-Specific Concentrations.
PFAS groundwater table: DEP's file dated July 24, 2024, read October 5, 2026.
Table 1: DEP's file dated April 14, 2022, read October 5, 2026.
Table 2: DEP's file dated November 15, 2023, read October 5, 2026.
Table 3a: DEP's file dated January 4, 2022, read October 5, 2026.
Table 3b: DEP's file dated January 19, 2022, read October 5, 2026.
Table 4a: DEP's file dated November 15, 2023, read October 5, 2026.
Table 4b: DEP's file dated November 15, 2023, read October 5, 2026.