[27 Pa.B. 4181]

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APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
ACENAPHTHENE	83329	2,200	G	3,500	S	3,500	S	3,500	S	3,500	S	3,500	S
ACENAPHTHYLENE	208968	2,200	G	3,900	S	3,900	S	3,900	S	3,900	S	3,900	S
ACETALDEHYDE	75070	19	N	57	N	1,900	N	5,700	N	19	N	57	N
ACETONE	67641	3,700	G	10,000	G	370,000	G	1,000,000	G	37,000	G	100,000	G
ACETONITRILE	75058	58	N	120	N	5,800	N	12,000	N	580	N	1,200	N
ACETOPHENONE	98862	3,700	G	10,000	G	370,000	G	1,000,000	G	3,700	G	10,000	G
ACETYLAMINOFLUORENE, 2- (2AAF)	53963	0.17	G	0.68	G	17	G	68	G	170	G	680	G
ACROLEIN	107028	0.055	N	0.12	N	5.5	N	12	N	0.55	N	1.2	N
ACRYLAMIDE	79061	0.033	N	0.14	N	3.3	N	14	N	0.033	N	0.14	N
ACRYLIC ACID	79107	2.8	N	5.8	N	280	N	580	N	280	N	580	N
ACRYLONITRILE	107131	0.63	N	2.7	N	63	N	270	N	63	N	270	N
ALACHLOR	15972608	2	M	2	M	200	M	200	M	2	M	2	M
ALDICARB	116063	7	M	7	M	700	M	700	M	7,000	M	7,000	M
ALDRIN	309002	0.0087	N	0.037	N	0.87	N	3.7	N	0.87	N	3.7	N
ALLYL ALCOHOL	107186	49	N	100	N	4,900	N	10,000	N	4,900	N	10,000	N
AMINOBIPHENYL, 4-	92671	0.031	G	0.12	G	3.1	G	12	G	31	G	120	G
AMITROLE	61825	0.7	G	2.8	G	70	G	280	G	700	G	2800	G
ANILINE	62533	2.8	N	5.8	N	280	N	580	N	2.8	N	5.8	N
ANTHRACENE	120127	43	S	43	S	43	S	43	S	43	S	43	S
ATRAZINE	1912249	3	M	3	M	300	M	300	M	3	M	3	M

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

APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
BENZENE	71432	5	M	5	M	500	M	500	M	500	M	500	M
BENZO[A]ANTHRACENE	56553	0.9	G	3.6	G	14	S	14	S	14	S	14	S
BENZO[A]PYRENE	50328	0.2	M	0.2	M	3.8	S	3.8	S	3.8	S	3.8	S
BENZO[B]FLUORANTHENE	205992	0.9	G	1.2	S	1.2	S	1.2	S	1.2	S	1.2	S
BENZO[GHI]PERYLENE	191242	0.26	S	0.26	S	0.26	S	0.26	S	0.26	S	0.26	S
BENZO[K]FLUORANTHENE	207089	0.55	S	0.55	S	0.55	S	0.55	S	0.55	S	0.55	S
BENZOIC ACID	65850	150,000	G	410,000	G	3,400,000	S	3,400,000	S	150,000	G	410,000	G
BENZYL ALCOHOL	100516	11,000	G	31,000	G	1,100,000	G	3,100,000	G	11,000	G	31,000	G
BENZYL CHLORIDE	100447	0.87	N	3.7	N	87	N	370	N	87	N	370	N
BHC, ALPHA-	319846	0.1	G	0.41	G	10	G	41	G	100	G	410	G
BHC, BETA-	319857	0.37	G	1.4	G	37	G	140	G	370	G	1,400	G
BHC, DELTA-	319868	11	G	31	G	1,100	G	3,100	G	11,000	G	21,000	S
BHC, GAMMA (LINDANE)	58899	0.2	M	0.2	M	20	M	20	M	200	M	200	M
BIS(2-CHLORO-ISOPROPYL)ETHER	108601	300	H	300	H	30,000	H	30,000	H	30,000	H	30,000	H
BIS(2-CHLOROETHYL)ETHER	111444	0.13	N	0.55	N	13	N	55	N	13	N	55	N
BIS(CHLOROMETHYL)ETHER	542881	0.00069	N	0.0029	N	0.069	N	0.29	N	0.069	N	0.29	N
BIS[2-ETHYLHEXYL] PHTHALATE	117817	6	M	6	M	340	S	340	S	340	S	340	S
BROMODICHLOROMETHANE	75274	100	M	100	M	10,000	M	10,000	M	100	M	100	M
BROMOMETHANE	74839	10	H	10	H	1,000	H	1,000	H	1,000	H	1,000	H
BUTYL ALCOHOL, N-	71363	970	N	2,000	N	97,000	N	200,000	N	9,700	N	20,000	N

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

APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
BUTYL PHTHALATE, DI-N-	84742	3,700	G	10,000	G	13,000	S	13,000	S	13,000	S	13,000	S
BUTYLBENZYL PHTHALATE	85687	2,700	S	2,700	S	2,700	S	2,700	S	2,700	S	2,700	S
CAPTAN	133062	190	G	740	G	3,300	S	3,300	S	3,300	S	3,300	S
CARBARYL	63252	700	H	700	H	70,000	H	70,000	H	83,000	S	83,000	S
CARBOFURAN	1563662	40	M	40	M	4,000	M	4,000	M	40	M	40	M
CARBON DISULFIDE	75150	1,900	N	4,100	N	190,000	N	410,000	N	1,900	N	4,100	N
CARBON TETRACHLORIDE	56235	5	M	5	M	500	M	500	M	50	M	50	M
CHLORDANE	57749	2	M	2	M	56	S	56	S	56	S	56	S
CHLORO-1-PROPENE, 3- (ALLYL CHLORIDE)	107051	2.8	N	5.8	N	280	N	580	N	280	N	580	N
CHLOROANILINE, P-	106478	150	G	410	G	3,900	S	3,900	S	150	G	410	G
CHLOROBENZENE	108907	55	N	120	N	5,500	N	12,000	N	5,500	N	12,000	N
CHLOROBENZILATE	510156	2.4	G	9.6	G	240	G	960	G	2,400	G	9,600	G
CHLORODIBROMOMETHANE	124481	100	M	100	M	10,000	M	10,000	M	10,000	M	10,000	M
CHLOROETHANE	75003	28,000	N	58,000	N	2,800,000	N	5,700,000	S	2,800,000	N	5,700,000	S
CHLOROETHYL VINYL ETHER, 2-	110758	240	N	510	N	24,000	N	51,000	N	240	N	510	N
CHLOROFORM	67663	100	M	100	M	10,000	M	10,000	M	1,000	M	1,000	M
CHLORONAPHTHALENE, 2-	91587	2,900	G	6,700	S	6,700	S	6,700	S	2,900	G	6,700	S
CHLOROPHENOL, 2-	95578	40	H	40	H	4,000	H	4,000	H	40	H	40	H
CHLOROPRENE	126998	19	N	41	N	1,900	N	4,100	N	1,900	N	4,100	N
CHLORPYRIFOS	2921882	20	H	20	H	1,300	S	1,300	S	20	H	20	H

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

APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
CHRYSENE	218019	1.8	S	1.8	S	1.8	S	1.8	S	1.8	S	1.8	S
CRESOL(S)	1319773	49	N	100	N	4,900	N	10,000	N	4,900	N	10,000	N
CRESOL, P-CHLORO-M-	59507	180	G	510	G	18,000	G	51,000	G	180	G	510	G
CROTONALDEHYDE	4170303	0.079	N	0.34	N	7.9	N	34	N	7.9	N	34	N
CUMENE	98828	25	N	52	N	2,500	N	5,200	N	2,500	N	5,200	N
CYCLOHEXANONE	108941	49,000	N	100,000	N	4,900,000	N	5,000,000	S	49,000	N	100,000	N
DDD, 4,4'-	72548	0.62	N	2.7	N	62	N	160	S	62	N	160	S
DDE, 4,4'-	72559	1.3	S	1.3	S	1.3	S	1.3	S	1.3	S	1.3	S
DDT, 4,4'-	50293	1.7	S	1.7	S	1.7	S	1.7	S	1.7	S	1.7	S
DIALLATE	2303164	2.5	N	10	N	250	N	1,000	N	250	N	1,000	N
DIAZINON	333415	0.6	H	0.6	H	60	H	60	H	0.6	H	0.6	H
DIBENZO[A,H]ANTHRACENE	53703	0.09	G	0.36	G	0.5	S	0.5	S	0.5	S	0.5	S
DIBROMO-3-CHLOROPROPANE, 1,2-	96128	0.2	M	0.2	M	20	M	20	M	20	M	20	M
DIBROMOETHANE, 1,2- (ETHYLENE DIBROMIDE)	106934	0.05	M	0.05	M	5	M	5	M	5	M	5	M
DIBROMOMETHANE	74953	97	N	200	N	9,700	N	20,000	N	9,700	N	20,000	N
DICHLOROBENZENE, 1,2-	95501	600	M	600	M	60,000	M	60,000	M	60,000	M	60,000	M
DICHLOROBENZENE, 1,3-	541731	600	H	600	H	60,000	H	60,000	H	60,000	H	60,000	H
DICHLOROBENZENE, P-	106467	75	M	75	M	7,500	M	7,500	M	7,500	M	7,500	M
DICHLOROBENZIDINE, 3,3'-	91941	1.5	G	5.8	G	150	G	580	G	1,500	G	5,800	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

APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
DICHLORODIFLUOROMETHANE (FREON 12)	75718	1,000	H	1,000	H	100,000	H	100,000	H	100,000	H	100,000	H
DICHLOROETHANE, 1,1-	75343	27	N	110	N	2,700	N	11,000	N	270	N	1,100	N
DICHLOROETHANE, 1,2-	107062	5	M	5	M	500	M	500	M	50	M	50	M
DICHLOROETHYLENE, 1,1-	75354	7	M	7	M	700	M	700	M	70	M	70	M
DICHLOROETHYLENE, CIS-1,2-	156592	70	M	70	M	7,000	M	7,000	M	700	M	700	M
DICHLOROETHYLENE, TRANS-1,2-	156605	100	M	100	M	10,000	M	10,000	M	1,000	M	1,000	M
DICHLOROMETHANE (METHYLENE CHLORIDE)	75092	5	M	5	M	500	M	500	M	500	M	500	M
DICHLOROPHENOL, 2,4-	120832	20	H	20	H	2,000	H	2,000	H	20,000	H	20,000	H
DICHLOROPHENOXYACETIC ACID, 2,4- (2,4-D)	94757	70	M	70	M	7,000	M	7,000	M	7,000	M	7,000	M
DICHLOROPROPANE, 1,2-	78875	5	M	5	M	00	M	500	M	50	M	50	M
DICHLOROPROPIONIC ACID, 2,2- (DALAPON)	75990	200	M	200	M	20,000	M	20,000	M	20,000	M	20,000	M
DICHLORVOS	62737	0.52	N	2.2	N	52	N	220	N	0.52	N	2.2	N
DIELDRIN	60571	0.041	G	0.16	G	4.1	G	16	G	41	G	160	G
DIETHYL PHTHALATE	84662	5000	H	5000	H	500,000	H	500,000	H	900,000	S	900,000	S
DIMETHOATE	60515	7.3	G	20	G	730	G	2,000	G	7,300	G	20,000	G
DIMETHYLAMINOAZOBENZENE, P-	60117	0.14	G	0.57	G	14	G	57	G	140	G	230	S
DIMETHYLHYDRAZINE, 1,1-	57147	0.087	N	0.37	N	8.7	N	37	N	0.87	N	3.7	N
DIMETHYLPHENOL, 2,4-	105679	730	G	2000	G	73,000	G	200,000	G	730,000	G	2,000,000	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

APPENDIX A
Table 1--Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater

		USED AQUIFERS
	CASRN	TDS <= 2500				TDS > 2500				NON-USE AQUIFERS
REGULATED SUBSTANCE		R		NR R				NR		R		NR
DINITROBENZENE, 1,3-	99650	1	H	1	H	100	H	100	H	1,000	H	1,000	H
DINITROPHENOL, 2,4-	51285	19	N	41	N	1,900	N	4,100	N	190	N	410	N
DINITROTOLUENE, 2,4-	121142	2.1	G	8.4	G	210	G	840	G	2,100	G	8,400	G
DINITROTOLUENE, 2,6- (2,6-DNT)	606202	37	G	100	G	3,700	G	10,000	G	37,000	G	100,000	G
DINOSEB	88857	7	M	7	M	700	M	700	M	700	M	700	M
DIOXANE, 1,4-	123911	5.6	N	24	N	560	N	2,400	N	56	N	240	N
DIPHENYLAMINE	122394	200	H	200	H	20,000	H	20,000	H	200,000	H	200,000	H
DIPHENYLHYDRAZINE, 1,2-	122667	0.83	G	3.3	G	83	G	330	G	830	G	3,300	G
DIQUAT	85007	20	M	20	M	2,000	M	2,000	M	20	M	20	M
DISULFOTON	298044	0.3	H	0.3	H	30	H	30	H	30	H	30	H
DIURON	330541	10	H	10	H	1,000	H	1,000	H	10	H	10	H
ENDOSULFAN I (ALPHA)	959988	220	G	530	S	530	S	530	S	220	G	530	S
ENDOSULFAN II (BETA)	33213659	220	G	280	S	280	S	280	S	220	G	280	S
ENDOSULFAN SULFATE	1031078	120	S	120	S	120	S	120	S	120	S	120	S
ENDOTHALL	145733	100	M	100	M	10,000	M	10,000	M	100	M	100	M
ENDRIN	72208	2	M	2	M	200	M	200	M	2	M	2	M
EPICHLOROHYDRIN	106898	2.8	N	5.8	N	280	N	580	N	280	N	580	N
ETHION	563122	18	G	51	G	600	S	600	S	18	G	51	G
ETHOXYETHANOL, 2- (EGEE)	110805	3,900	N	8,200	N	390,000	N	820,000	N	390,000	N	820,000	N
ETHYL ACETATE	141786	8,700	N	18,000	N	870,000	N	1,800,000	N	870,000	N	1,800,000	N

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

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