Home | About | Maps | Lists
Column information
Criteria Air Pollutants in Maryland
PollutantScorecardFacilitiesSourcesEmissions
Sulfur DioxideSC1792,665581,810,706.92
Carbon MonoxideSC1902,461197,990,202.79
Nitrogen OxidesSC1922,798189,923,091.29
Primary PM (Includes Filterables + Condensibles)SC1142,34427,196,631.33
Primary PM10 (Includes Filterables + Condensibles)SC1762,74617,950,544.93
Volatile Organic CompoundsSC1983,23212,474,493.08
AmmoniaSC31211985,708.12
Primary PM, Filterable Portion OnlySC1317104,078.27
Primary PM Condensible Portion Only (All Less Than 1 Micron)SC000.00
Primary PM2.5, Filterable Portion OnlySC000.00
Primary PM2.5 (Includes Filterables + Condensibles)SC000.00
Primary PM10, Filterable Portion OnlySC000.00
Hazardous Air Pollutants in Maryland
PollutantScorecardFacilitiesSourcesEmissions
Hydrochloric AcidSC4911414,337,930.97
Hydrogen FluorideSC21541,882,064.67
Carbonyl SulfideSC36441,550,444.73
MethanolSC25140730,013.00
NaphthaleneSC22100614,574.26
StyreneSC1994603,472.53
TolueneSC91272355,820.44
HexaneSC57119268,695.06
Xylenes (Mixture of o, m, and p Isomers)SC81230238,593.37
Glycol EthersSC27165230,945.00
AcetaldehydeSC20139178,819.40
Methyl Ethyl KetoneSC55145175,856.10
Hydrogen CyanideSC12106,000.00
TrichloroethyleneSC365095,684.12
Methylene ChlorideSC538583,015.98
FormaldehydeSC3014078,629.32
Methyl Tert-Butyl EtherSC206470,870.94
Ethyl BenzeneSC6814658,979.48
Methyl MethacrylateSC123454,032.82
BenzeneSC6420143,676.31
PhenolSC136840,562.61
Methyl ChlorideSC394940,341.04
ManganeseSC167729,581.84
CyanideSC71726,352.75
ChlorineSC152723,506.06
Methyl Isobutyl KetoneSC415520,584.82
LeadSC439418,135.05
NickelSC186917,657.75
Ethylene GlycolSC166717,508.09
SeleniumSC125613,860.57
TetrachloroethyleneSC446612,061.88
Manganese & CompoundsSC152211,921.54
Vinyl ChlorideSC313510,236.88
Vinyl AcetateSC11299,919.11
Carbon DisulfideSC47778,752.49
Benzyl ChlorideSC7177,378.77
CresolSC166,252.00
Bis(2-Ethylhexyl)PhthalateSC9216,178.50
IsophoroneSC7176,113.84
PAH, totalSC21396,018.10
AcetonitrileSC125,896.00
Butyl CellosolveSC185,624.00
AcrylonitrileSC30335,228.98
ChloroformSC38605,090.36
ArsenicSC11544,523.97
ChromiumSC17674,261.61
AcroleinSC10324,032.76
PropionaldehydeSC7174,005.62
Phthalic AnhydrideSC353,174.00
CarbarylSC123,131.00
Lead & CompoundsSC23403,037.57
2,2,4-TrimethylpentaneSC3182,888.00
Ethylidene Dichloride (1,1-Dichloroethane)SC31312,870.86
1,1,2,2-TetrachloroethaneSC31312,300.24
1,2,4-TrichlorobenzeneSC1181,952.00
CobaltSC10371,890.87
MethylhydrazineSC7171,791.99
Methyl BromideSC7171,686.58
Acrylic AcidSC121,675.00
Cyanide & CompoundsSC361,458.00
Ethyl ChlorideSC35451,352.19
PhosphorusSC581,313.74
Ethylene OxideSC581,049.00
Diethylene Glycol Monoethyl EtherSC18960.00
AntimonySC1027919.66
Ethylene DichlorideSC3646891.44
Chromium (VI)SC1228886.66
PhosphineSC12880.00
Methyl ChloroformSC3335864.66
CadmiumSC2166858.81
CumeneSC1447699.87
Diethylene Glycol Monobutyl EtherSC18640.00
DiethanolamineSC18608.00
2,4,6-TrichlorophenolSC12600.00
ChlorobenzeneSC3747567.21
MercurySC1824538.43
Dimethyl SulfateSC717505.97
Mercury & CompoundsSC4252491.99
Carbon TetrachlorideSC3360478.33
Chromium & CompoundsSC1523477.10
Antimony & CompoundsSC710459.86
HydroquinoneSC12456.00
Propylene OxideSC49444.60
PhenanthreneSC1026438.92
Ethylene DibromideSC3848423.93
TriethylamineSC24415.00
BromoformSC717411.10
1,4-DichlorobenzeneSC3030367.84
Dimethyl PhthalateSC48364.00
Titanium TetrachlorideSC23341.00
2-MethylnaphthaleneSC614280.21
AcrylamideSC22252.00
Propylene DichlorideSC3030242.32
Vinylidene ChlorideSC3131239.37
Cadmium & CompoundsSC1120237.75
Nickel & CompoundsSC1217230.30
BerylliumSC1154228.55
N,N-DimethylformamideSC12187.00
AcetophenoneSC717158.12
1,1,2-TrichloroethaneSC36134.00
2-ChloroacetophenoneSC71773.79
Selenium & CompoundsSC7973.66
Arsenic & Compounds (Inorganic Including Arsine)SC91261.85
Chromium IIISC3361.22
2,4-Toluene DiisocyanateSC2648.00
Maleic AnhydrideSC1634.00
Hexamethylene DiisocyanateSC2632.00
1,3-ButadieneSC82429.63
Cobalt & CompoundsSC71019.10
BiphenylSC71717.92
Benzo[g,h,i,]PeryleneSC184616.40
o-XyleneSC5815.14
FluoreneSC113912.24
7-PAHSC1110.23
AcenaphtheneSC10378.32
FluorantheneSC10378.18
PyreneSC10374.11
2,4-DinitrotolueneSC7172.95
AcenaphthyleneSC10372.69
AnthraceneSC10372.40
CatecholSC112.00
Benz[a]AnthraceneSC10371.42
ChryseneSC10371.40
Beryllium & CompoundsSC681.17
Indeno[1,2,3-c,d]PyreneSC10370.96
2,3,7,8-TCDD TEQSC15210.54
Benzo[a]PyreneSC9290.41
Dibenzo[a,h]AnthraceneSC7200.24
5-MethylchryseneSC7170.23
Benzo[b+k]FluorantheneSC580.21
7,12-Dimethylbenz[a]AnthraceneSC5120.14
Polychlorinated Dibenzofurans, TotalSC260.03
Dioxins 11120.03
Octachlorodibenzo-p-DioxinSC260.02
3-MethylcholanthreneSC5120.02
Benzo[b]FluorantheneSC5120.02
Benzo[k]FluorantheneSC5120.02
Dioxins, Total, W/O Individ. Isomers Reported {PCDDS}SC9230.02
1,2,3,4,6,7,8-Heptachlorodibenzo-p-DioxinSC260.01
1,2,3,4,6,7,8-HeptachlorodibenzofuranSC260.00
OctachlorodibenzofuranSC260.00
1,2,3,6,7,8-HexachlorodibenzofuranSC260.00
2,3,4,6,7,8-HexachlorodibenzofuranSC260.00
1,2,3,4,7,8-HexachlorodibenzofuranSC260.00
2,3,4,7,8-PentachlorodibenzofuranSC260.00
1,2,3,7,8-PentachlorodibenzofuranSC260.00
1,2,3,6,7,8-Hexachlorodibenzo-p-DioxinSC260.00
2,3,7,8-TetrachlorodibenzofuranSC380.00
1,2,3,4,7,8,9-HeptachlorodibenzofuranSC260.00
1,2,3,7,8,9-Hexachlorodibenzo-p-DioxinSC260.00
1,2,3,7,8,9-HexachlorodibenzofuranSC260.00
1,2,3,4,7,8-Hexachlorodibenzo-p-DioxinSC260.00
1,2,3,7,8-Pentachlorodibenzo-p-DioxinSC260.00
2,3,7,8-Tetrachlorodibenzo-p-DioxinSC380.00
Dibenzo[a,l]PyreneSC000.00
Propyl CellosolveSC000.00
Lead AcetateSC000.00
Total TetrachlorodibenzofuranSC000.00
Total PentachlorodibenzofuranSC000.00
DiazomethaneSC000.00
Nickel CarbideSC000.00
Beryllium OxideSC000.00
Chromium HydroxideSC000.00
Chromic OxideSC000.00
Antimony TrioxideSC000.00
Manganese DioxideSC000.00
Nickel NitrateSC000.00
Benzene Soluble Organics (BSO) 000.00
Potassium CyanideSC000.00
Calcium CyanamideSC000.00
TrifluralinSC000.00
m-XyleneSC000.00
m-CresolSC000.00
Cellosolve SolventSC000.00
Phenyl CellosolveSC000.00
Butyl Carbitol AcetateSC000.00
Total Tetrachlorodibenzo-p-DioxinSC000.00
Lead Compounds (Inorganic)SC000.00
ChlorobenzilateSC000.00
1,1-Dimethyl HydrazineSC000.00
Beta-PropiolactoneSC000.00
1,2,3,4,5,6-HexachlorocyclyhexaneSC000.00
Dibenzo[a,e]PyreneSC000.00
HydrazineSC000.00
Hexachlorodibenzo-p-DioxinSC000.00
Total Pentachlorodibenzo-p-DioxinSC000.00
Nickel AcetateSC000.00
Total Heptachlorodibenzo-p-DioxinSC000.00
Total HeptachlorodibenzofuranSC000.00
Cobalt NaphthaSC000.00
Methyl IsocyanateSC000.00
Naphthenes (Cyclo) 000.00
Ceramic Fibers (Man-Made) 000.00
Mercuric ChlorideSC000.00
UraniumSC000.00
Selenium DioxideSC000.00
Lead SulfateSC000.00
MethoxychlorSC000.00
1,2-PropylenimineSC000.00
DichlorvosSC000.00
N-NitrosodimethylamineSC000.00
HexachloroethaneSC000.00
N-Nitroso-N-MethylureaSC000.00
o-ToluidineSC000.00
Styrene OxideSC000.00
Ethylene ThioureaSC000.00
BenzotrichlorideSC000.00
4-AminobiphenylSC000.00
2,4-Dichlorophenoxy Acetic AcidSC000.00
PhosgeneSC000.00
o-AnisidineSC000.00
1-MethylnaphthaleneSC000.00
QuinolineSC000.00
16-PAH 000.00
Fine Mineral Fibers 000.00
2-Methyl-PropanenitrileSC000.00
Vinyl BromideSC000.00
N-NitrosomorpholineSC000.00
4-DimethylaminoazobenzeneSC000.00
Lead Compounds (Other Than Inorganic)SC000.00
AcetamideSC000.00
Radionuclides 000.00
Radon And Its Decay Products 000.00
Glasswool (Man-Made Fibers) 000.00
AnilineSC000.00
Nickel ChlorideSC000.00
2-NitropropaneSC000.00
ToxapheneSC000.00
Coal TarSC000.00
PentachloronitrobenzeneSC000.00
HexachlorocyclopentadieneSC000.00
Arsenic AcidSC000.00
Lead ArsenateSC000.00
ArsineSC000.00
Manganese SulfateSC000.00
Nickel SulfateSC000.00
Ammonium DichromateSC000.00
Calcium ChromateSC000.00
Coke Oven Emissions 000.00
Benzo(c)phenanthreneSC000.00
Elemental Gaseous Mercury 000.00
Gaseous Divalent Mercury 000.00
Benzo(a)fluorantheneSC000.00
B[j]FluoranthenSC000.00
4,6-Dinitro-o-CresolSC000.00
Mercury (Organic)SC000.00
Polycyclic Organic MatterSC000.00
MethylanthraceneSC000.00
Ethyl Carbamate ChlorideSC000.00
2-AcetylaminofluoreneSC000.00
Chloromethyl Methyl EtherSC000.00
Bis(Chloromethyl)EtherSC000.00
Zinc CyanideSC000.00
ParathionSC000.00
Ethylene Glycol Methyl EtherSC000.00
Ethylene Glycol Monomethyl Ether AcetateSC000.00
1,2-DimethoxyethaneSC000.00
Zinc Potassium ChromateSC000.00
Cellosolve AcetateSC000.00
Dichloroethyl EtherSC000.00
Diethylene Glycol Monomethyl EtherSC000.00
Total HexachlorodibenzofuranSC000.00
3-Methoxy-1-PropanolSC000.00
2,4-DinitrophenolSC000.00
1,3-DichloropropeneSC000.00
Cadmium acetateSC000.00
Copper CyanideSC000.00
1-NitropyreneSC000.00
Di(Ethylene Glycol Monobutyl Ether) PhthalateSC000.00
Cobalt HydrocarbonylSC000.00
Lead Chromate OxideSC000.00
Dibenzo[a,i]PyreneSC000.00
Dibenzo[a,h]PyreneSC000.00
Dibenzo-p-DioxinSC000.00
EthyleneimineSC000.00
Nickel OxideSC000.00
Manganese TrioxideSC000.00
Methylene Chloride Soluble Organics (MCSO) 000.00
Chromic acid (H2Cr2O7), calcium salt (1:1)SC000.00
Triglycol Monobutyl EtherSC000.00
Sodium CyanideSC000.00
p-DioxaneSC000.00
ChloropreneSC000.00
Arsenic PentoxideSC000.00
Cadmium OxideSC000.00
Cobalt OxideSC000.00
Lead DioxideSC000.00
Hexanoic acid, 2-ethyl-, cobalt(2+) saltSC000.00
Nickel SubsulfideSC000.00
Lead (II) OxideSC000.00
Antimony OxideSC000.00
CaptanSC000.00
AsbestosSC000.00
Chromium TrioxideSC000.00
Lead SubacetateSC000.00
Polychlorinated BiphenylsSC000.00
Cobalt AluminateSC000.00
Zinc ChromateSC000.00
Dibenzo[a,j]AcridineSC000.00
2-Propoxyethyl AcetateSC000.00
HexachlorobenzeneSC000.00
Iodine 131SC000.00
Lead NitrateSC000.00
Chromic SulfateSC000.00
3-Butoxy-1-PropanolSC000.00
Barium ChromateSC000.00
Cadmium NitrateSC000.00
Sodium DichromateSC000.00
p-CresolSC000.00
p-PhenylenediamineSC000.00
QuinoneSC000.00
1,2-EpoxybutaneSC000.00
1-Chloro-2,3-EpoxypropaneSC000.00
Diethylene Glycol Dimethyl EtherSC000.00
Triethylene glycolSC000.00
p-XyleneSC000.00
4-NitrophenolSC000.00
Diethylene Glycol Ethyl Methyl EtherSC000.00
Chromium ChlorideSC000.00
Nickel (II) Sulfate HexahydrateSC000.00
Allyl ChlorideSC000.00
1,3-PropanesultoneSC000.00
2-Butoxyethyl AcetateSC000.00
Carbitol AcetateSC000.00
2-(Hexyloxy)EthanolSC000.00
MethoxytriglycolSC000.00
EthoxytriglycolSC000.00
N-Hexyl CarbitolSC000.00
PropoxurSC000.00
Chromium DioxideSC000.00
Chromium Zinc OxideSC000.00
Diethylene Glycol DibenzoateSC000.00
Manganese, tricarbonyl (.eta.5-2,4-cyclopentadien-1-yl)-SC000.00
N,N-DimethylanilineSC000.00
1,2-DiphenylhydrazineSC000.00
Manganese TetroxideSC000.00
DibenzofuranSC000.00
Arsenic TrioxideSC000.00
Ethyl AcrylateSC000.00
Benzo[e]PyreneSC000.00
PeryleneSC000.00
ChlorambenSC000.00
Nickel CarbonylSC000.00
Chromic Sulfuric AcidSC000.00
Nickel SulfamateSC000.00
Zinc ChromiteSC000.00
ChlordaneSC000.00
Methyl IodideSC000.00
HexachlorobutadieneSC000.00
PentachlorophenolSC000.00
Ethylene Glycol Diethyl EtherSC000.00
Diethyl SulfateSC000.00
BenzofluoranthenesSC000.00
2-ChloronaphthaleneSC000.00
BenzidineSC000.00
4-NitrobiphenylSC000.00
o-CresolSC000.00
Toluene-2,4-DiamineSC000.00
2,4,5-TrichlorophenolSC000.00
1,2-Dibromo-3-ChloropropaneSC000.00
NitrobenzeneSC000.00
HexamethylphosphoramideSC000.00
HeptachlorSC000.00
Chromic Acid (VI)SC000.00
Lead ChromateSC000.00
Sodium ChromateSC000.00
Potassium DichromateSC000.00
Dde (1,1-Dichloro-2,2-Bis(p-Chlorophenyl) Ethylene)SC000.00
Selenium HexafluorideSC000.00
Ammonium chromateSC000.00
Potassium ChromateSC000.00
Strontium ChromateSC000.00
Ethylene Glycol Mono-Sec-Butyl EtherSC000.00
Tetraethyl LeadSC000.00
Dibutyl PhthalateSC000.00
Chloroacetic AcidSC000.00
Dimethylcarbamoyl ChlorideSC000.00