PERI: Toxic 100 Index

Exelon Corp.

Rank in Toxic 100: 75
Rank among all TRI companies: 217
Air releases 2010 (lbs): 2,395,803
Incineration transfers 2010 (lbs): 40
Total Air and Incineration Toxic Score 2010: 193,356
Percentage of national total 2010 toxic air and incineration score: 0.050%
EJ: Poor Share: 14.3%
EJ: Minority Share: 42.7%

Chemicals at facilities displayed below: (display facilities) (display chemicals)
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(Links on facility names lead to full TRI reports. Links on cities lead to Mapquest maps. Links on chemical names lead to Scorecard chemical health effects.)

Facility Name	City	State	Chemical	Air releases (lbs)	Incineration transfers (lbs)	Toxic Score (quantity x exposure x toxicity x population)	Percent of total company score	EJ: Poor Share	EJ: Minority Share	Rv
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Polycyclic aromatic compounds	4	0	26	0.01%	10.8%	45.9%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Manganese and manganese compounds	246	0	186	0.10%	10.5%	42.2%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Lead and lead compounds	94	0	7	0.00%	10.4%	35.9%	**
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Benzo(g,h,i)perylene	0	0	0	0.00%	0.0%	0.0%
CP CRANE GENERATING STATION	BALTIMORE	MD	Sulfuric acid	2,600	0	67	0.03%	11.3%	42.2%
CP CRANE GENERATING STATION	BALTIMORE	MD	Ammonia	4,200	0	3	0.00%	8.2%	31.5%
CP CRANE GENERATING STATION	BALTIMORE	MD	Hydrochloric acid	120,000	0	158	0.08%	11.3%	42.2%
CP CRANE GENERATING STATION	BALTIMORE	MD	Barium and barium compounds	660	0	68	0.03%	8.7%	33.2%
CP CRANE GENERATING STATION	BALTIMORE	MD	Mercury and mercury compounds	12	0	1	0.00%	11.0%	41.4%
CP CRANE GENERATING STATION	BALTIMORE	MD	Manganese and manganese compounds	187	0	153	0.08%	9.2%	34.9%
CP CRANE GENERATING STATION	BALTIMORE	MD	Lead and lead compounds	31	0	7	0.00%	7.8%	30.1%	**
PERRYMAN GENERATING STATION	BALTIMORE	MD	Polycyclic aromatic compounds	38	0	293	0.15%	9.8%	33.1%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Mercury and mercury compounds	80	0	7	0.00%	10.6%	47.6%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Nickel and nickel compounds	539	0	4,027	2.08%	10.6%	45.7%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Selenium and selenium compounds	4,202	0	4	0.00%	10.7%	46.5%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Sulfuric acid	310,000	0	7,681	3.97%	10.6%	47.7%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Ammonia	22,005	40	49	0.03%	10.4%	34.6%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Hydrogen fluoride	120,000	0	213	0.11%	10.6%	47.7%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Hydrochloric acid	1,500,000	0	1,913	0.99%	10.6%	47.7%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Zinc and zinc compounds	703	0	1	0.00%	10.6%	45.6%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Copper and copper compounds	183	0	3	0.00%	10.5%	41.5%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Cobalt and cobalt compounds	58	0	10,849	5.61%	10.5%	42.0%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Chromium and chromium compounds	180	0	14,268	7.38%	10.5%	42.7%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Barium and barium compounds	177	0	31	0.02%	10.4%	36.8%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Arsenic and arsenic compounds	86	0	15,956	8.25%	10.5%	40.9%
PERRYMAN GENERATING STATION	BALTIMORE	MD	Lead and lead compounds	13	0	2	0.00%	10.3%	34.3%
BRANDON SHORES & WAGNER COMPLEX	BALTIMORE	MD	Vanadium and vanadium compounds	324	0	1	0.00%	10.5%	41.7%
CP CRANE GENERATING STATION	BALTIMORE	MD	Hydrogen fluoride	34,000	0	62	0.03%	11.3%	42.2%
MYSTIC STATION	CHARLESTOWN	MA	Lead and lead compounds	117	0	55	0.03%	14.3%	36.9%
MYSTIC STATION	CHARLESTOWN	MA	Ammonia	75,860	0	63	0.03%	14.2%	36.8%
MYSTIC STATION	CHARLESTOWN	MA	Polycyclic aromatic compounds	2	0	58	0.03%	14.6%	37.6%
EXELON CORP CROYDON GENERATING STATION	CROYDON	PA	Naphthalene	8	0	2	0.00%	10.5%	37.0%
EXELON CORP CROYDON GENERATING STATION	CROYDON	PA	Polycyclic aromatic compounds	9	0	235	0.12%	10.5%	37.2%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Arsenic and arsenic compounds	321	0	87,612	45.31%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Barium and barium compounds	33	0	5	0.00%	15.3%	39.6%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Nickel and nickel compounds	635	0	10,746	5.56%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Mercury and mercury compounds	66	0	14	0.01%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Manganese and manganese compounds	410	0	531	0.27%	15.9%	42.4%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Lead and lead compounds	67	0	27	0.01%	15.3%	39.5%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Benzo(g,h,i)perylene	0	0	0	0.00%	0.0%	0.0%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Naphthalene	19	0	4	0.00%	16.1%	42.9%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Chromium and chromium compounds	210	0	29,575	15.30%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Vanadium and vanadium compounds	166	0	0	0.00%	15.8%	42.0%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Zinc and zinc compounds	269	0	0	0.00%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Hydrochloric acid	50,273	0	165	0.09%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Hydrogen fluoride	5,146	0	23	0.01%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Sulfuric acid	117,705	0	7,491	3.87%	16.0%	42.7%
EDDYSTONE GENERATING STATION	EDDYSTONE	PA	Polycyclic aromatic compounds	2	0	34	0.02%	16.5%	43.4%
EXELON CORP SCHUYLKILL GENERATING STATION	PHILADELPHIA	PA	Polycyclic aromatic compounds	0	0	16	0.01%	21.1%	50.4%
EXELON CORP SCHUYLKILL GENERATING STATION	PHILADELPHIA	PA	Benzo(g,h,i)perylene	0	0	0	0.00%	0.0%	0.0%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Benzo(g,h,i)perylene	0	0	0	0.00%	0.0%	0.0%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Lead and lead compounds	44	0	14	0.01%	11.6%	33.1%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Mercury and mercury compounds	16	0	3	0.00%	12.2%	34.4%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Hydrochloric acid	12,941	0	37	0.02%	12.3%	34.5%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Polycyclic aromatic compounds	0	0	4	0.00%	11.6%	33.2%
EXELON CORP CROMBY GENERATING STATION	PHOENIXVILLE	PA	Sulfuric acid	10,861	0	605	0.31%	12.3%	34.5%

For explanations of most columns above, including the EJ Shares, see the technical notes.

For the Rv (revisions) column,
* indicates that the record contains one or more chemicals at facilities whose TRI air releases or incineration transfers for 2010 were revised downwards since 2010, and whose hazard and score have been adjusted accordingly.
** indicates one or more chemicals at facilities whose quantities were revised upwards, or both upwards and downwards. Chemicals revised upwards had their pounds adjusted, but not their score.
*** indicates that the RSEI microdata do not match the public RSEI data.

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