MDNR LogoURL:http://drinkingwater.missouri.edu/swap/contaminants.html
Revised on May 05, 2008
Web maintenance: WoodE@missouri.edu
For more information about the Missouri Source Water Assessment Plan contact David Erickson

MoDNR | PDWB | SWAP | CARES | SWIP | Missouri Water Resources Center

Source Water Assessment Plan - State of Missouri

Appendix E (a)

List of Potential Contaminants

Chemical Catagory(ies) Trade Names, Synonyms, etc.

CAS #

VA#
1,1,1,2-Tetrachloroethane Unregulated SOCs

TetraClethane

630-20-6 C46
1,1,1-Trichloroethane (TCA) Regulated VOCs

Methyl Chloroform

71-55-6  
1,1,2,2-Tetrachloroethane Unregulated SOCs

Cellon, acetylene & TetraClethane

79-34-5

 
1,1,2-Trichloroethane Regulated VOCs Vinyl Trichloride

79-00-5

 
1,1-Dichloroethane Unregulated SOCs

Ethylidene Chloride

75-34-3

 
1,1-Dichloroethylene Regulated VOCs

Vinylidene Chloride (VC)

75-35-4

 
1,1-Dichloropropene Unregulated SOCs

no data

563-58-6

 
1,2,3-Trichlorobenzene Unregulated SOCs

no data

87-61-6

 
1,2,3-Trichloropropane Unregulated & Listed SOCs no data

96-18-4

C47
1,2,4-Trichlorobenzene Regulated VOCs

Trichlorobenzene

120-82-1

 
1,2,4-Trimethylbenzene Unregulated SOCs

Pseudocumene

95-63-6

 
1,2-Dichloroethane Regulated VOCs

Ethylene Dichloride (EDC)

107-06-2  
1,2-Dichloropropane Regulated VOCs

Propylene Dichloride

78-87-5  
1,2-Diphenylhydrazine Listed SOCs  

122-66-7

 
1,3,5-Trimethylbenzene Unregulated SOCs Mesitylene 108-67-8  
1,3-Dichlorobenzene Listed SOCs m-Dichlorobenzene 541-73-1  
1,3-Dichloropropane Unregulated SOCs no data 142-28-9  
1,3-Dichloropropene (Telone) Listed and Unregulated SOCs 1,3-Dichloropropylene, Telone 542-75-6 C54
2,2-Dichloropropane Unregulated SOCs no data 594-20-7  
2,3,7,8-TCDD (Dioxin) Regulated SOCs Contaminant found in 2,4,5-T

1746-01-6

C15
2,4,5-T Listed Pesticides Trichlorophenoxyacetic acid, acetic acid

93-76-5

 
2,4,5-TP (Silvex) Regulated SOCs 2,4,5-Trichlorophenoxyacetic acid, propanoic acid

93-72-1

C34
2,4,6-Trichlorophenol Others  

88-06-2

 
2,4-D Regulated SOCs 2,4-Dichlorophenoxyacetic acid, Hedonal, Trinoxol

94-75-7

C01
2,4-Dichlorophenol Others   120-83-2  
2,4-Dinitrophenol Listed SOCs   51-28-5  
2,4-Dinitrotoluene Listed SOCs   121-14-2 C48
2,6-Dinitrotoluene Listed SOCs   606-20-2 C48
2-Methyl-phenol Others   95-48-7  
3-Hydroxycarbofuran Unregulated SOCs no data

unk

C42
Acetochlor Others  

34256-82-1

 
Acifluorfen Listed SOCs     C49
Acrylonitrile Listed SOCs     C50
Alachlor Regulated SOCs Lasso, Alanex, Metachlor 15972-60-80 C02
Aldicarb (Temik) Unregulated SOCs   116-06-3 C03
Aldicarb-Sulfone (Aldoxycarb) Unregulated SOCs   1646-87-4 C40
Aldicarb-Sulfoxide Unregulated SOCs   1646-87-3 C41
Aldrin Unregulated SOCs Aldrex, Aldrite, Altox 309-00-2 C04
Aluminum Regulated IOCs   7429-90-5  
Antimony Regulated IOCs   7440-36-0  
Arsenic Regulated IOCs   7440-38-2 C75
Asbestos Regulated IOCs   1332-21-4 C74
Asulam Listed Pesticides   -  
Atrazine Regulated SOCs AAtrex, Primatol A, Bicep 1912-24-9 C05
Barium Regulated IOCs   7440-39-3  
Benzene Regulated VOCs

Benzol

71-43-2 C65
Benzo(a)pyrene (BaP) Regulated & Listed SOCs PAH

50-32-8

C06
Beryllium Regulated IOCs   7440-41-7  
Betazon Listed Pesticides      
Boron Listed SOCs  

7440-42-8

 
Bromacil Listed Pesticides  

 

 
Bromobenzene Unregulated SOCs Phenyl Bromide

108-86-1

 
Bromochloroacenonitrile Listed SOCs      
Bromochloromethane Unregulated SOCs Methylene Chlorobromide 74-97-5  
Bromodichloromethane Unregulated SOCs THM 75-27-4  
Bromoform Unregulated SOCs THM, Tribromomethane 75-25-2  
Bromomethane Unregulated SOCs Ethyl Bromide, Rotox 74-96-4 C52
Butachlor Unregulated SOCs Lambast, CP 53619, Aimchlor 23814-66-9 C43
Cadmium Regulated !OCs   7440-43-9 C69
Carbaryl Unregulated SOCs Sevin, NAC 63-25-2 C07
Carbofuran Regulated SOCs Furadan 1563-66-2 C08
Carbon tetrachloride Regulated VOCs

Tetrachloromethane

56-23-5  
Chloramines Listed SOCs      
Chlorate Listed SOCs      
Chlordane Regulated SOCs Velsicol 1068, Belt, Chlor Kill 57-74-9 C09
Chloride Regulated IOCs      
Chlorination/Chloramination hydrate Listed SOCs      
Chlorine Listed SOCs      
Chlorine dioxide Listed SOCs      
Chlorite Listed SOCs      
Chlorodibromomethane Unregulated SOCs THM, Dibromochloromethane 128-48-1  
Chloroethane Unregulated SOCs Ethyl Chloride 75-00-3  
Chloroform Unregulated SOCs THM, Trichloromethane 67-66-3  
Chloromethane Unregulated SOCs Methyl Chloride 74-87-3  
Chloropicrin Listed SOCs      
Chromium Regulated IOCs   7440-47-3  
cis-1,2-Dichloroethylene Regulated VOCs

Acetelyne Dichloride, Dioform

156-59-2  
Copper Regulated IOCs   7440-50-8  
Cryomazine Listed Pesticides      
Cyanazine Listed Pesticides     C44
Cyanide Regulated IOCs     C62
Cyanogen chloride Listed SOCs

 

57-12-5  
Dalapon Regulated & Listed SOCs Dowpon, Radapon, Basafapon

75-99-0

C10
DCPA (and its acid metabolites) Listed Pesticides

dacthal

887-54-7

 
DDE Others Dihydrochloride

72-55-9

 
Di(2-ethylhexyl)adipate Regulated SOCs DEHA, Adipates 103-23-1 C12
Di(2-ethylhexyl)phthlate Regulated SOCs DEHP, Phthalates 117-81-7 C16
Diazinon Others  

333-41-5

 
Dibromoacetonitrile Listed SOCs      
Dibromochloropropane (DBCP) Regulated SOCs 1,2-Dibromo-3-chloropropane 96-12-8 C11
Dibromoethane Unregulated SOCs      
Dicamba Listed Pesticides & Unregulated SOCs Banvel D, Mediben, Mondak

1989-00-9

C13
Dichlorodifluoromethane Unregulated SOCs

Freon-12, Halon

75-71-8  
Dichloromethane Regulated VOCs

Methylene Chloride

75-09-2  
Dieldrin Unregulated SOCs HOED

60-57-1

C37
Dinoseb Regulated SOCs DNBP, Basanite, Caldon 88-85-7 C14
Diquat Regulated SOCs Dextrone, Actor, Reglone 85-00-7 C17
Disulfoton Others  

298-04-4

 
Diuron Others  

330-54-1

 
Endothall Regulated SOCs Aquathol, Hydout 145-73-3 C19
Endrin Regulated SOCs Hexadrin 72-20-8 C20
EPTC (S-Ethyl Dipropylthiocarbamate) Others  

759-94-4

 
Ethylbenzene Regulated VOCs

Phenylethane

100-41-4

 
Ethylene Dibromide (EDB) Regulated SOCs 1,2-Dibromomethane

106-93-4

C18
Ethylene Thiourea (ETU) Listed Pesticides & Listed SOCs  

 

C51
Flouride Regulated IOCs  

16984-48-8

 
Fluorotrichloromethane Unregulated SOCs Freon-11, Trichlorofluoromethane 75-69-4  
Fomesafen Listed Pesticides      
Fonofos Others  

944-22-9

 
Glyphosate Regulated SOCs Roundup, Rodeo, Kleenup, Shakle 1071-53-6 C21
Heptachlor Regulated SOCs Velsicol-104, Drinox 76-44-8 C35
Heptachlor epoxide Regulated SOCs   1024-57-3 C39
Hexachlorobenzene (HCB) Regulated SOCs Perchlorobenzene 118-74-1 C38
Hexachlorobutadiene Unregulated SOCs & Others no data

87-68-3

C53
Hexachlorocyclopentadiene (HCPD) Regulated &  Listed SOCs HEX, Perchlorocyclopentadiene

77-47-4

C22
Hexachloroethane Listed SOCs      
Hypochlorite ion Listed SOCs      
Iron Regulated IOCs      
Isophorone Listed SOCs      
Isopropylbenzen Unregulated SOCs Cumene, (1-Methylethyl)benzene 98-82-2  
Lacotfen/Acitourten Listed Pesticides      
Lead Regulated IOCs   7439-92-1 C66
Lindane Regulated SOCs Gamma hexachlor, Lindafor 58-89-9 C23
Linuron Others  

330-55-2

 
Manganese Regulated IOCs  

7439-96-5

 
Mercury Regulated IOCs   7439-97-6  
Metalaxyl Listed Pesticides      
Methomyl Listed Pesticides, Listed SOCs Lannate, Nudrin

16752-77-5

C24
Methoxychlor Regulated SOCs Methoxy-DDT, Marlate

72-43-5

C25
Methyl bromide Others  

74-83-9

 
Methyl ethyl ketone (MEK) Listed SOCs      
Methyl isobutyl ketone Listed SOCs      
Methyl-t-butyl ether (MTBE) Listed & Unregulated SOCs  

1634-04-4

 
Metolachlor Listed Pesticides, Listed SOCs Dual

51218-45-2

C26
Metribuzin Listed Pesticides, Listed SOCs Lexone, Sencor

21087-64-9

C27
Microbiological Contaminants       C73
Molinate Others  

2212-67-1

 
Molybdenum Listed SOCs      
Monochlorobenzene Regulated VOCs

Chlorobenzene, Phenyl Chloride

108-90-7  
Naphthalene Unregulated SOCs tar camphor

91-20-3

 
n-Butylbenzene Unregulated SOCs 1-Phenylbutane 104-51-8  
Nitrate Regulated IOCs   *  
Nitrite Regulated IOCs   *  
Nitrobenzene Listed SOCs   98-95-3  
n-Propylbenzene Unregulated SOCs 1-Phenylpropane 103-65-1  
o-Chlorotoluene Unregulated SOCs 1-Chloro-2-methylbenzene 95-49-8  
o-Dichlorobenzene Regulated VOCs

1,2-Dichlorobenzene

95-50-1  
Organochloromines Listed SOCs      
Organotins Others   N/A  
Oxamyl (Vydate) Regulated SOCs Thioxamyl 23135-22-0 C28
Ozone by-products Listed SOCs      
para-Dichlorobenzene Regulated VOCs

Paracide, PDB, p-Dichlorobenzene

106-46-7  
Parathion degradation products Listed Pesticides      
p-Chlorotoluene Unregulated SOCs 1-Chloro-4-methylbenzene 106-43-4  
Pentachlorophenol (PCP) Regulated SOCs Penta 87-86-5 C30
Perchlorate Others   N/A  
Picloram Regulated SOCs Tordon, Pinene 1918-02-1 C31
p-Isopropyltoluene Unregulated SOCs p-Cymene, Dolcymene

99-87-6

 
Polychlorinated biphenyls (PCBs) Regulated SOCs Aroclor 1336-36-3 C29
Prometon Listed Pesticides   1610-18-0  
Propachlor Unregulated SOCs Prolex, Ramrod, Bexton 21087-64-9 C32
Radiological Contaminants       C72
RDX Others Royal Demolition eXplosive

121-82-4

 
sec-Butylbenzene Unregulated SOCs

(1-Methylpropyl)benzene

135-98-8  
Selenium Regulated IOCs   7782-49-2  
Silver Regulated IOCs      
Simazine Regulated SOCs Primatol S, Princep, Simanex 122-34-9 C33
Sodium Others   7440-23-5  
Strontium Listed IOCs      
Styrene Regulated VOCs

Polystyrene

100-42-5 C61
Sulfate Regulated IOCs   14808-79-8  
Terbacil Others   5902-51-2  
Terbufos Others   13071-79-9  
tert-Butylbenzene Unregulated SOCs (1,1-Dimethylethyl)benzene 98-06-6  
Tetrachloroethylene (PCE) Regulated VOCs Perchloroethylene (PERK), Perchloroethene, Tetrachloroethene

127-18-4

 
Tetrahydrofuran Listed SOCs      
Thallium Regulated IOCs   7440-28-0  
Thiodicarb Listed Pesticides      
Toluene Regulated VOCs Methyl Benzene, Phenyl Methane 108-88-3 C70
Toxaphene Regulated SOCs

Chlorinated camphene

8001-35-2 C36
trans-1,2-Dichloroethylene Regulated VOCs Acetylene Dichloride, Dioform 156-60-5  
Triazines & degredation products Including but not limited to Cyanazine, and atrazine-desethyl   N/A  
Trichloroacetonitrile Listed SOCs      
Trichloroethylene (TCE) Regulated VOCs

Trichloroethene, Trilene

79-01-6 C55
Trifluralin Listed Pesticides & Listed SOCs  

 

C45
Trihalomethanes (see table below)
Vanadium Listed IOCs   7440-62-2  
Vinyl Chloride Regulated VOCs Chloroethylene 75-01-4  
Xylenes (Mixed Isomers) Regulated VOCs Dimethylbenzene 1330-20-7  
Zinc Regulated IOCs     C71

Notes

(THM) Total Trihalomethanes The sum of the concentrations of bromodichloromethane, dibromochloromethane, tribromomethane (bromoform), and trichloromethane (chloroform).
BTEX Benzene, Toluene, Ethylbenzene, Xylenes
Polynuclear Aromatic Hydrocarbons (PAHs) (carcinogenic) Pyrene, Chrysene, Penanthrene, Benzo(a)anthracene (BaA), Dibenzo(a,h)anthracene (DahA), Benzo(b)fluoranthene (BbF), Benzo(k)fluoranthene (BkF), Indeno(1,2,3-c,d)pyrene (IP), Benzo(a)pyrene (BaP)
PAHs (non-carcinogenic) Naphthalene, Acenaphthylene, Acenatphthene, Fluorene, Athracene, Fluoranthene, Benzo(g,h,i)perylene (BgP)
 
 
IOCs = InOrganic Compounds

SOCs = Synthetic Organic Compounds

VOCs = Volatile Organic Compounds

MDNR Logo

MoDNR | PDWB | SWAP | CARES | SWIP | Missouri Water Resources Center
For more information about the Missouri Source Water Assessment Plan contact David Erickson at david.erickson@dnr.mo.gov
Web maintenance: WoodE@missouri.edu
Revised on May 05, 2008
URL:http://drinkingwater.missouri.edu/swap/contaminants.html