Appendix

TABLE 4—MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR INORGANIC REGULATED SUBSTANCES IN SOIL

B. Soil to Groundwater Numeric Values¹

		Used Aquifers												Soil
		TDS ‹= 2500				TDS › 2500				Non-use Aquifers				Buffer
REGULATED SUBSTANCE	CASRN	R		N		R		N		R		N		Distance
		100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	(feet)
		GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value
ALUMINUM	7429-90-5	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
ANTIMONY	7440-36-0	0.6	27	0.6	27	60	2,700	60	2,700	600	27,000	600	27,000	15
ARSENIC	7440-38-2	1	29	1	29	100	2,900	100	2,900	1,000	29,000	1,000	29,000	15
BARIUM AND COMPOUNDS	7440-39-3	200	8,200	200	8,200	20,000	190,000	20,000	190,000	190,000	190,000	190,000	190,000	15
BERYLLIUM	7440-41-7	0.4	320	0.4	320	40	32,000	40	32,000	400	190,000	400	190,000	10
BORON AND COMPOUNDS	7440-42-8	600	1,900	600	1,900	60,000	190,000	60,000	190,000	190,000	190,000	190,000	190,000	30
CADMIUM	7440-43-9	0.5	38	0.5	38	50	3,800	50	3,800	500	38,000	500	38,000	15
CHROMIUM III	16065-83-1	10	190,000	10	190,000	1,000	190,000	1,000	190,000	10,000	190,000	10,000	190,000	5
CHROMIUM VI	18540-29-9	10	190	10	190	1,000	19,000	1,000	19,000	10,000	190,000	10,000	190,000	15
COBALT	7440-48-4	1	50	3	140	110	5,000	310	14,000	1,100	50,000	3,100	140,000	15
COPPER	7440-50-8	100	43,000	100	43,000	10,000	190,000	10,000	190,000	100,000	190,000	100,000	190,000	10
CYANIDE, FREE	57-12-5	20	200	20	200	2,000	20,000	2,000	20,000	20,000	190,000	20,000	190,000	20
FLUORIDE	16984-48-8	400	44	400	44	40,000	4,400	44,000	4,400	190,000	44,000	190,000	44,000	NA

¹For other options see Section 250.308
All concentrations in mg/kg
R - Residential
NR - Non-Residential
NA - Not Applicable

TABLE 4—MEDIUM-SPECIFIC CONCENTRATIONS (MSCs) FOR INORGANIC REGULATED SUBSTANCES IN SOIL

B. Soil to Groundwater Numeric Values¹—(Continued)

		Used Aquifers												Soil
		TDS ‹= 2500				TDS › 2500				Non-use Aquifers				Buffer
REGULATED SUBSTANCE	CASRN	R		N		R		N		R		N		Distance
		100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	100 X	Generic	(feet)
		GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value	GW MSC	Value
IRON	7439-89-6	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
LEAD	7439-92-1	0.5	450	0.5	450	50	45,000	50	45,000	500	190,000	500	190,000	10
LITHIUM	7439-93-2	7	2,200	20	6,000	730	190,000	2,000	190,000	7,300	190,000	20,000	190,000	10
MANGANESE	7439-96-5	30	2,000	30	2,000	3,000	190,000	3,000	190,000	30,000	190,000	30,000	190,000	15
MERCURY	7439-97-6	0.2	10	0.2	10	20	1,000	20	1,000	200	10,000	200	10,000	15
MOLYBDENUM	7439-98-7	4	650	4	650	400	65,000	400	65,000	4,000	190,000	4,000	190,000	15
NICKEL	7440-02-0	10	650	10	650	1,000	65,000	1,000	65,000	10,000	190,000	10,000	190,000	15
PERCHLORATE	7790-98-9	1.5	0.17	1.5	0.2	150	17	150	17	1,500	170	1,500	170	NA
SELENIUM	7782-49-2	5	26	5	26	500	2,600	500	2,600	5,000	26,000	5,000	26,000	20
SILVER	7440-22-4	10	84	10	84	1,000	8,400	1,000	8,400	10,000	84,000	10,000	84,000	20
THALLIUM	7440-28-0	0.2	14	0.20	14	20	1,400	20	1,400	200	14,000	200	14,000	15
TIN	7440-31-5	2,200	190,000	6,100	190,000	190,000	190,000	190,000	190,000	190,000	190,000	190,000	190,000	10
VANADIUM	7440-62-2	26	26,000	72	72,000	2,600	190,000	7,200	190,000	26,000	190,000	72,000	190,000	5
ZINC	7440-66-6	200	12,000	200	12,000	20,000	190,000	20,000	190,000	190,000	190,000	190,000	190,000	15

¹For other options see Section 250.308
All concentrations in mg/kg
R - Residential
NR - Non-Residential
NA - Not Applicable