Trace Elements in West Virginia Coals

**Coal Bed Trace Element Summary Statistics**
**Clean Air Act, Title III Amendments of 1990** **Hazardous Air Pollutants**
**Pocahontas Formation Coals**
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 7	Mean	3.75	1.49	0.12	12.60	12.00	0.05	19.22	7.44	3.41	0.41	1.70		32.00	0.75	1.65
POCAHONTAS NO. 7	n	1	1	1	1	1	1	1	1	1	1	1		1	1	1
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 6	Mean	23.35	2.73	0.10	10.30	13.05	0.23	19.60	17.66	8.69	2.33	2.92	340.00	54.67	2.12	2.21
	St. Dev.	24.40	0.78	0.04	4.07	3.40	0.24	39.25	3.28	5.38	1.64	1.67	254.17	29.21	1.11	0.72
	max	84.90	4.65	0.16	21.40	20.00	0.66	142.50	22.80	24.40	5.15	5.94	690.00	110.00	3.85	3.30
	min	1.40	1.84	0.04	5.08	8.20	0.02	1.54	10.26	4.67	0.52	0.00	0.00	19.00	0.65	0.65
	n	11	12	12	12	12	12	12	12	12	12	12	5	9	12	12
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 5	Mean	6.98	1.52	0.06	5.33	15.21	0.02	6.48	10.95	10.53	0.60	1.85			0.87	2.23
	St. Dev.	3.49	0.17	0.00	2.27	1.66	0.03	2.43	6.86	1.52	0.27	0.64			0.02	0.21
	max	9.45	1.64	0.06	6.93	16.38	0.04	8.19	15.80	11.60	0.79	2.30			0.88	2.38
	min	4.51	1.40	0.06	3.72	14.03	0.00	4.76	6.10	9.45	0.41	1.40			0.85	2.08
	n	2	2	2	2	2	2	2	2	2	2	2			2	2
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 4	Mean	10.64	1.58	0.05	8.10	11.83	0.06	14.55	10.68	6.26	0.74	2.59	470.00	37.43	1.59	2.23
	St. Dev.	17.23	0.61	0.02	3.73	4.79	0.05	10.31	3.27	2.52	0.63	0.92	113.14	16.20	0.64	0.65
	max	69.20	2.74	0.09	16.60	21.28	0.21	30.78	15.90	12.92	2.80	5.20	550.00	72.00	2.96	3.88
	min	1.20	0.59	0.02	2.10	6.00	0.01	2.50	5.94	3.40	0.21	1.60	390.00	21.00	0.90	1.55
	n	17	17	14	17	17	14	17	17	17	17	17	2	7	17	17
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 3 RIDER	Mean	69.50	1.91	0.06	11.60	7.90	0.31	16.24	11.60	3.65	3.07	2.60		38.00	1.90	1.10
POCAHONTAS NO. 3 RIDER	n	1	1	1	1	1	1	1	1	1	1	1		1	1	1
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 3	Mean	9.78	2.14	0.07	7.73	11.92	0.10	16.63	10.64	7.05	0.84	3.73	928.00	60.00	1.52	2.54
	St. Dev.	15.65	0.79	0.04	2.87	6.09	0.09	12.69	4.07	3.62	0.75	1.95	1165.50	67.08	0.77	1.39
	max	73.20	3.73	0.19	14.80	29.40	0.47	51.66	21.00	18.15	3.60	8.20	2850.00	290.00	4.03	6.00
	min	0.30	0.58	0.02	2.70	4.00	0.02	1.71	3.83	1.64	0.11	1.80	0.00	10.00	0.46	0.85
	n	30	30	29	30	30	27	30	30	30	30	30	5	18	30	30
Coal Bed Name	Element	As	Be	Cd	Co	Cr	Hg	Mn	Ni	Pb	Sb	Se	Cl	F	U	Th
POCAHONTAS NO. 2	Mean	35.05	3.10	0.11	12.70	23.15	0.37	349.17	17.67	11.30	1.79	4.57		27.00	1.95	2.86
	St. Dev.	16.62	2.19		8.34	15.49	0.41	470.69	7.96	8.20	0.98	2.08			0.54	0.78
	max	46.80	4.65		18.60	34.10	0.66	682.00	23.30	17.10	2.48	6.04			2.33	3.41
	min	23.30	1.55		6.80	12.20	0.08	16.34	12.04	5.50	1.10	3.10			1.56	2.30
	n	2	2	1	2	2	2	2	2	2	2	2		1	2	2

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Page last revised: March 1, 2002

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