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Ecological Risk Assessment

Marine Screening Benchmarks

CAS# Analyte
Screening Value (ug/l)
Ref
End Note
Class of Compound Bioaccumulative-Bg
71-55-6 1,1,1-Trichloroethane
312
a
1
Volatile  
79-34-5 1,1,2,2-Tetrachloroethane
90.2
a
1
Volatile  
127-18-4 1,1,2,2-Tetrachloroethylene (PCE)
45
a
 
Volatile  
79-00-5 1,1,2-Trichloroethane
550
b
2
Volatile  
79-01-6 1,1,2-Trichloroethene (TCE)
 
 
3
   
76-13-1 1,1,2-Trichlorotrifluoroethane
 
 
 
Volatile  
92-52-4 1,1-Biphenyl
 
 
3
PAH  
75-34-3 1,1-Dichloroethane
 
 
3
Volatile  
75-35-4 1,1-Dichloroethene (1,1-Dichloroethylene)
2240
a
1
Volatile  
75-35-4 1,1-Dichloroethylene
2240
a
1
Volatile  
634-66-2 1,2,3,4-Tetrachlorobenzene
 
 
3
Other Semi-Volatile B
87-61-6 1,2,3-Trichlorobenzene
 
 
3
Other Semi-Volatile  
96-18-4 1,2,3-Trichloropropane
 
 
 
Volatile  
95-94-3 1,2,4,5-Tetrachlorobenzene
129
a
 
Other Semi-Volatile B
120-82-1 1,2,4-Trichlorobenzene
5.4
c
4
Volatile B
95-63-6 1,2,4-Trimethylbenzene
19
d
5
Volatile B
95-50-1 1,2-Dichlorobenzene
42
c
4
Volatile B
107-06-2 1,2-Dichloroethane
1130
a
1
Volatile  
540-59-0 1,2-Dichloroethene (1,2-Dichloroethylene)
680
b
 
Volatile  
540-59-0 1,2-Dichloroethylene
680
b
 
Volatile  
78-87-5 1,2-Dichloropropane
2400
a
1
Volatile  
156-60-5 1,2-Trans-Dichloroethylene
 
 
3
Volatile  
108-67-8 1,3,5-Trimethylbenzene
 
 
3
Volatile  
541-73-1 1,3-Dichlorobenzene
28.5
a
1
Volatile B
542-75-6 1,3-Dichloropropene (1,3-Dichloropropylene)
7.9
a
1
Volatile  
542-75-6 1,3-Dichloropropylene
7.9
a
1
Volatile  
106-46-7 1,4-Dichlorobenzene
19.9
a
1
Volatile B
99-08-1 1-Methyl-3-nitrobenzene
 
 
3
Other Semi-Volatile  
99-99-0 1-Methyl-4-nitrobenzene (4-Nitrotoluene)
 
 
3
Other Semi-Volatile  
90-12-0 1-Methylnaphthalene
 
 
3
PAH  
71-41-0 1-Pentanol
 
 
3
Volatile  
10222-01-2 2,2-Dibromo-3-nitrilopropionamide
 
 
3
Other Semi-Volatile  
58-90-2 2,3,4,6-Tetrachlorophenol
 
 
3
Other Semi-Volatile  
1746-01-6 2,3,7,8-TCDD-Dioxin
 
 
3
Dioxin/Furans B
51207-31-9 2,3,7,8-TCDF
 
 
3
Dioxin/Furans B
93-72-1 2,4,5-TP (Silvex)
 
 
3
Volatile  
95-95-4 2,4,5-Trichlorophenol
12
b
6
Other Semi-Volatile  
93-76-5 2,4,5-Trichlorphenoxyacetic acid
 
 
3
Phenoxycaceticacid Herbicide  
88-06-2 2,4,6-Trichlorophenol
61
b
2
Other Semi-Volatile  
118-96-7 2,4,6-Trinitrotoluene (TNT)
100
b
2
Other Semi-Volatile  
120-83-2 2,4-Dichlorophenol
 
 
3
Other Semi-Volatile  
51-28-5 2,4-Dinitrophenol
48.5
a
1
Phenoxycaceticacid Herbicide  
121-14-2 2,4-Dinitrotoluene
 
 
3
Other Semi-Volatile  
606-20-2 2,6-Dinitrotoluene
 
 
3
Other Semi-Volatile  
35572-78-2 2-Amino-4,6-dinitrotoluene
 
 
3
Other Semi-Volatile  
78-93-3 2-Butanone
 
 
3
Volatile  
95-57-8 2-Chlorophenol
265
b
2
Other Semi-Volatile  
591-78-6 2-Hexanone
 
 
3
Volatile  
91-57-6 2-Methylnaphthalene
4.2
d
5
PAH  
95-48-7 2-Methylphenol
1020
b
2
Other Semi-Volatile  
88-75-5 2-Nitrophenol
2940
b
2
Other Semi-Volatile  
111-13-7 2-Octanone
 
 
3
Other Semi-Volatile  
67-63-0 2-Propanol
 
 
3
Volatile  
91-94-1 3,3'- Dichlorobenzidine
73
b
2
Other Semi-Volatile  
99-08-1 3-Nitrotoluene (1-Methyl-3-nitrobenzene)
 
 
3
Other Semi-Volatile  
106-68-3 3-Octanone
 
 
3
Volatile  
101-55-3 4-Bromophenyl phenyl ether
 
 
3
Other Semi-Volatile B
106-47-8 4-Chloroaniline
 
 
3
Other Semi-Volatile  
7005-72-3 4-Chlorophenyl- phenyl ether
 
 
 
Other Semi-Volatile B
99-87-6 4-Isopropyltoluene (Cymene)
 
 
3
Other Semi-Volatile  
108-10-1 4-Methyl-2-pentanone
123000
b
2
Volatile  
106-44-5 4-Methylphenol
 
 
3
Other Semi-Volatile  
100-02-7 4-Nitrophenol
71.7
a
1
Other Semi-Volatile  
99-99-0 4-Nitrotoluene
 
 
3
Other Semi-Volatile  
83-32-9 Acenaphthene
6.6
d
5
PAH B
208-96-8 Acenapthylene
 
 
 
PAH B
67-64-1 Acetone
564000
b
2
Volatile  
75-05-8 Acetonitrile
 
 
3
Volatile  
107-02-8 Acrolein
0.55
a
1
Volatile  
107-13-1 Acrylonitrile
581
b
2
Volatile  
309-00-2 Aldrin
0.13
a
1
Organochlorine Pesticide B
7429-90-5 Aluminum
 
 
3
Inorganic/Metal  
7664-41-7 Ammonia (un-ionized)
5
a
 
Inorganic  
62-53-3 Aniline
 
 
3
Other Semi-Volatile  
120-12-7 Anthracene
0.18
b
2
PAH B
7440-36-0 Antimony
500
b
2
Inorganic/Metal  
140-57-8 Aramite
 
 
3
Other Semi-Volatile  
12674-11-2 Aroclor 1016
 
 
3
Other Pesticide/PCB B
11104-28-2 Aroclor 1221
 
 
3
Other Pesticide/PCB B
11141-16-5 Aroclor 1232
 
 
3
Other Pesticide/PCB B
53469-21-9 Aroclor 1242
 
 
3
Other Pesticide/PCB B
12672-29-6 Aroclor 1248
 
 
3
Other Pesticide/PCB B
11097-69-1 Aroclor 1254
 
 
3
Other Pesticide/PCB B
11096-82-5 Aroclor 1260
 
 
3
Other Pesticide/PCB B
7440-38-2 Arsenic
12.5
c
4
Inorganic/Metal B
22569-72-8 Arsenic III
 
 
3
Inorganic/Metal  
17428-41-0 Arsenic V
 
 
3
Inorganic/Metal  
1912-24-9 Atrazine
 
 
3
Triazine Hersicide  
86-50-0 Azinophosmethyl (Guthion)
0.01
e
 
Organophosphorus Pesticide  
7440-39-3 Barium
 
 
3
Inorganic/Metal  
71-43-2 Benzene
110
c
4
Volatile  
92-87-5 Benzidine
 
 
3
Other Semi-Volatile  
56-55-3 Benzo(a)anthracene
 
 
3
PAH B
50-32-8 Benzo(a)pyrene
 
 
3
PAH B
205-99-2 Benzo(b)fluoranthene
 
 
 
PAH B
191-24-2 Benzo(g,h,i)perylene
 
 
 
PAH B
207-08-9 Benzo(k)fluoranthene
 
 
 
PAH B
65-85-0 Benzoic Acid
 
 
3
Other Semi-Volatile  
100-51-6 Benzyl alcohol
 
 
3
Other Semi-Volatile  
7440-41-7 Beryllium
 
 
3
Inorganic/Metal  
  BHC (non Lindane)
 
 
3
Organochlorine Pesticide  
319-84-6 BHC, alpha
25
b
2
Organochlorine Pesticide B
319-85-7 BHC, beta
 
 
 
Organochlorine Pesticide B
319-86-8 BHC, delta
 
 
3
Organochlorine Pesticide B
58-89-9 BHC, gamma (Lindane)
0.016
a
1
Organochlorine Pesticide B
92-52-4 Biphenyl (1,1-Biphenyl)
 
 
3
Other Semi-Volatile  
117-81-7 bis (2-ethylhexyl) phthalate
 
 
3
Other Semi-Volatile  
7440-42-8 Boron
1000
d
5
Inorganic/Metal  
75-25-2 Bromoform
640
a
 
Volatile  
74-83-9 Bromomethane
120
a
1
Volatile  
85-68-7 Butyl benzyl phthalate
29.4
a
1
Other Semi-Volatile  
7440-43-9 Cadmium
0.12
c
4
Inorganic/Metal B
7440-70-2 Calcium
 
 
3
Inorganic/Metal  
63-25-2 Carbaryl (Sevin)
0.32
c
4
Other Pesticide/PCB  
1563-66-2 Carbofuran
 
 
3
N-Methylcarbamate herbicide  
75-15-0 Carbon disulfide
 
 
3
Volatile  
56-23-5 Carbon tetrachloride
1500
a
1
Volatile  
57-74-9 Chlordane
 
 
3
Organochlorine Pesticide B
16887-00-6 Chloride
 
 
3
Inorganic/Metal  
7782-50-5 Chlorine (TRC)
7.5
e
 
Inorganic/Metal  
108-90-7 Chlorobenzene
25
c
4
Volatile  
510-15-6 Chlorobenzilate
 
 
3
Other Pesticide/PCB  
67-66-3 Chloroform
815
a
1
Volatile  
74-87-3 Chloromethane
2700
a
1
Volatile  
2921-88-2 Chloropyrifos
0.0056
e
 
Organophosphorus Pesticide B
16065-83-1 Chromium III
56
c
4
Inorganic/Metal  
7440-47-3 Chromium Total
57.5
 
 
Inorganic/Metal  
18540-29-9 Chromium VI
1.5
c
4
Inorganic/Metal B
218-01-9 Chrysene
 
 
 
PAH B
7440-48-4 Cobalt
 
 
3
Inorganic/Metal  
7440-50-8 Copper
3.1
e
 
Inorganic/Metal B
98-82-8 Cumene
 
 
3
Volatile  
57-12-5 Cyanide, free
1
e
 
Inorganic/Metal  
99-87-6 Cymene
 
 
3
Volatile  
72-54-8 DDD (p,p')
0.025
a
1
Organochlorine Pesticide B
72-55-9 DDE
0.14
a
1
Organochlorine Pesticide B
50-29-3 DDT (4,4' DDT)
0.0065
e
7
Organochlorine Pesticide B
  DDT (op + pp)
 
 
 
Organochlorine Pesticide B
  DDT, Total
 
 
 
Organochlorine Pesticide B
  DDT/DDE/DDD (total)
 
 
 
Organochlorine Pesticide B
124-18-5 Decane
 
 
3
Other Semi-Volatile  
8065-48-3 Demeton
0.1
e
 
Other Semi-Volatile  
117-81-7 Di(2-ethylhexyl)phthalate (Bis(2-ethylhexyl) phthalate)
 
 
3
Other Semi-Volatile  
333-41-5 Diazinon
 
 
3
Other Pesticide/PCB B
53-70-3 Dibenzo(a,h)anthracene
 
 
3
PAH B
132-64-9 Dibenzofuran
65
b
2
Other Semi-Volatile  
74-95-3 Dibromomethane
 
 
 
Volatile  
3252-43-5 Dibromoacetonitrile
 
 
3
Other Semi-Volatile  
25321-22-6 Dichlorobenzene (mixed isomers)
 
 
3
Volatile  
75-09-2 Dichloromethane
2560
a
 
Volatile  
SEQ NO-35-8 Dichlorophenols, total
 
 
3
Other Semi-Volatile  
542-75-6 Dichloropropene (1,3-Dichloropropylene)
 
 
3
Volatile  
115-32-2 Dicofol (Kelthane)
 
 
 
Other Pesticide/PCB B
60-57-1 Dieldrin
0.11
f
8
Organochlorine Pesticide B
84-66-2 Diethylphthalate
75.9
a
1
Other Semi-Volatile  
60-51-5 Dimethoate
 
 
3
Other Pesticide/PCB  
131-11-3 Dimethyl phthalate
580
a
1
Other Semi-Volatile  
84-74-2 Di-n-butyl phthalate
3.4
a
9
Other Semi-Volatile  
51-28-5 Dinitrophenol (2,4-Dinitrophenol)
48.5
a
1
Other Semi-Volatile  
117-84-0 Di-n-octyl phthalate
 
 
3
Other Semi-Volatile  
88-85-7 Dinoseb
 
 
3
Other Pesticide/PCB  
117-84-0 Dioctylphthalate (Di-n-octyl phthalate)
 
 
3
Other Semi-Volatile  
298-04-4 Disulfoton
 
 
 
Pesticide B
27176-87-0 Dodecyl benzenesulfonic acid
58
b
2
Other Semi-Volatile  
115-29-7 Endosulfan (alpha and beta)
0.001
d
5
Organochlorine Pesticide B
959-98-8 Endosulfan I (a-endosulfan)
 
 
3
Organochlorine Pesticide B
33213-65-9 Endosulfan II (b-endosulfan)
 
 
3
Organochlorine Pesticide B
1031-07-8 Endosulfan sulfate
0.009
b
6
Organochlorine Pesticide  
72-20-8 Endrin
0.01
f
8
Organochlorine Pesticide B
100-41-4 Ethylbenzene
25
c
4
Volatile  
107-06-2 Ethylene dichloride (1,2-Dichloroethane)
1130
a
1
Volatile  
107-21-1 Ethylene glycol
 
 
3
Other Semi-Volatile  
206-44-0 Fluoranthene
1.6
a
 
PAH B
86-73-7 Fluorene
2.5
d
5
PAH B
16984-48-8 Fluoride
 
 
3
Inorganic  
7782-41-4 Fluorine
 
 
3
Inorganic  
86-50-0 Guthion
0.01
e
 
Other Pesticide/PCB  
319-84-6 HCH, a- (BHC, alpha)
25
b
 
Organochlorine Pesticide  
319-86-8 HCH, d- (BHC, delta)
 
 
3
Organochlorine Pesticide  
58-89-9 HCH, gamma (Lindane) (BHC, gamma)
0.016
a
1
Organochlorine Pesticide  
76-44-8 Heptachlor
 
 
3
Organochlorine Pesticide B
  Heptachlor & Heptachlor epoxide
 
 
 
Organochlorine Pesticide B
1024-57-3 Heptachlor epoxide
 
 
3
Organochlorine Pesticide B
118-74-1 Hexachlorobenzene
 
 
3
Other Semi-Volatile B
87-68-3 Hexachlorobutadiene
0.3
d
5
Volatile B
608-73-1 Hexachlorocyclohexanes (HCH, BHC)
 
 
3
Organochlorine Pesticide B
77-47-4 Hexachlorocyclopentadiene
0.07
d
5
Organochlorine Pesticide B
67-72-1 Hexachloroethane
9.4
a
1
Volatile B
110-54-3 Hexane
 
 
3
Volatile  
2691-41-0 HMX (Octogen)
 
 
3
Other Pesticide/PCB  
302-01-2 Hydrazine
 
 
3
Volatile  
123-31-9 Hydroquinone
 
 
3
Other Semi-Volatile  
193-39-5 Indeno(1,2,3-c,d)pyrene
 
 
3
PAH B
7439-89-6 Iron
 
 
3
Inorganic/Metal  
29761-21-5 Isodecyl diphenyl phosphate
 
 
3
Other Semi-Volatile  
78-59-1 Isophorone
129
a
1
Other Semi-Volatile  
98-82-8 Isopropylbenzene (Cumene)
 
 
3
   
  Isothiazolones, total
 
 
3
Other Semi-Volatile  
7439-92-1 Lead
8.1
e
 
Inorganic/Metal B
58-89-9 Lindane (BHC,gamma)
0.016
a
1
Organochlorine Pesticide  
  Linear alkyl benzene sulfates (LAS)
 
 
3
Other Semi-Volatile  
7439-93-2 Lithium
 
 
3
Inorganic/Metal  
7439-95-4 Magnesium
 
 
3
Inorganic/Metal  
121-75-5 Malathion
0.1
e
 
Other Pesticide/PCB  
7439-96-5 Manganese
 
 
3
Inorganic/Metal  
7439-97-6 Mercury
0.016
c
4
Inorganic/Metal  
72-43-5 Methoxychlor
0.03
e
 
Organochlorine Pesticide B
74-83-9 Methyl bromide
120
a
1
Volatile  
74-87-3 Methyl chloride (Chloromethane)
2700
a
1
Volatile  
78-93-3 Methyl ethyl ketone (2-Butanone)
 
 
3
Volatile  
111-13-7 Methyl hexyl ketone (2-Octanone)
 
 
3
Volatile  
108-10-1 Methyl isobutyl ketone (4-Methyl-2-pentanone)
 
 
3
Volatile  
80-62-6 Methyl methacrylate
 
 
3
Volatile  
1634-04-4 Methyl tert-butyl ether (MTBE)
 
 
3
Other Semi-Volatile  
6317-18-6 Methylene bisthiocyanate
 
 
3
Other Semi-Volatile  
74-95-3 Methylene bromide (Dibromomethane)
 
 
 
Volatile  
75-09-2 Methylene chloride (Dichloromethane)
2560
a
1
Volatile  
22967-92-6 Methylmercury
 
 
3
Volatile B
2385-85-5 Mirex
0.001
e
 
Chlorinated Pesticides B
99-09-2 m-Nitroaniline (3-Nitroaniline)
 
 
 
Other Semi-Volatile  
7439-98-7 Molybdenum
 
 
3
Inorganic/Metal  
108-90-7 Monochlorobenzene (Chlorobenzene)
25
c
4
   
  Monochlorophenols, total
 
 
3
Other Semi-Volatile  
91-20-3 Naphthalene
1.4
c
4
PAH  
84-74-2 n-Butylphthalate (Di-n-butyl phthalate)
3.4
a
 
Other Semi-Volatile  
7440-02-0 Nickel
8.2
e
 
Inorganic/Metal B
139-13-9 Nitrilotriacetic acid
 
 
3
   
  Nitrite
 
 
3
Anion  
98-95-3 Nitrobenzene
66.8
a
1
Volatile  
55-63-0 Nitroglycerine
 
 
3
Other Semi-Volatile  
621-64-7 Nitrosodipropylamine
120
b
2
Other Semi-Volatile  
55-18-5 N-Nitrosodiethylamine
 
 
3
Other Semi-Volatile  
62-75-9 N-Nitrosodimethylamine
330000
b
2
Other Semi-Volatile  
621-64-7 N-Nitrosodi-n-propylamine
120
b
 
Other Semi-Volatile  
86-30-6 N-Nitrosodiphenylamine
33000
a
1
Other Semi-Volatile  
95-48-7 o-Cresol (2-Methylphenol)
1020
b
 
Other Semi-Volatile  
56-38-2 Parathion
0.178
a
1
PAH  
  Parathion and methyl parathion
 
 
3
Organophosphorus Pesticide  
1336-36-3 PCBs, total
 
 
3
Other Pesticide/PCB  
106-44-5 p-Cresol (4-Methylphenol)
 
 
3
Other Semi-Volatile  
608-93-5 Pentachlorobenzene
129
a
 
Other Semi-Volatile B
76-01-7 Pentachloroethane
 
 
3
Other Semi-Volatile  
87-86-5 Pentachlorophenol
7.9
e
 
Other Semi-Volatile B
78-11-5 PETN (Pentaerythrite-tetranitrate)
 
 
3
Other Semi-Volatile  
  pH
7-8.7
c
10
Inorganic  
85-01-8 Phenanthrene
1.5
d
5
PAH B
108-95-2 Phenol
58
a
1
Other Semi-Volatile B
100-42-5 Phenylethylene
910
b
 
Other Semi-Volatile  
298-02-2 Phorate
 
 
3
   
7723-14-0 Phosphorus
0.1
e
 
Inorganic/Metal  
51207-31-9 Polychlorinated dibenzofurans
 
 
3
Dioxins/Furans  
  Polychlorinated dibenzo-p-dioxins (PCDD-S)
 
 
3
Dioxins/Furans  
7440-09-7 Potassium
 
 
3
Inorganic/Metal  
103-65-1 Propyl benzene
 
 
3
Volatile  
78-87-5 Propylene dichloride (1,2-Dichloropropane)
2400
a
1
Volatile  
129-00-0 Pyrene
0.24
b
2
PAH B
110-86-1 Pyridine
 
 
3
Volatile  
  Quaternary ammonium compounds, total
 
 
3
Inorganic  
121-82-4 RDX (Cyclonite)
 
 
3
Explosive  
7782-49-2 Selenium
71
e
 
Inorganic/Metal B
7440-22-4 Silver
0.23
a
1
Inorganic/Metal B
7440-23-5 Sodium
 
 
3
Inorganic/Metal  
7440-24-6 Strontium
 
 
3
Inorganic/Metal  
100-42-5 Styrene (Phenylethylene)
910
b
2
Volatile  
7783-06-4 Sulfide (Hydrogen Sulfide)
2
e
 
Anion  
  Sulfite
 
 
3
Anion  
95-94-3 Tetrachlorobenzene (1,2,4,5-Tetrachlorobenzene)
129
a
 
Other Semi-Volatile  
79-34-5 Tetrachloroethane (1,1,2,2-Tetrachloroethane)
90.2
a
1
Volatile  
127-18-4 Tetrachloroethene (1,1,2,2-Tetrachloroethylene)
45
a
 
Volatile  
127-18-4 Tetrachloroethylene (1,1,2,2-Tetrachloroethylene)
45
a
 
Volatile  
56-23-5 Tetrachloromethane (Carbon tetrachloride)
1500
a
1
Volatile  
  Tetrachlorophenols, total
 
 
3
Other Semi-Volatile  
7440-28-0 Thallium
21.3
a
1
Inorganic/Metal  
7440-31-5 Tin
 
 
3
Inorganic/Metal  
7440-32-6 Titanium
 
 
 
Inorganic/Metal  
108-88-3 Toluene
215
c
4
Volatile  
8001-35-2 Toxaphene
0.21
f
 
Organochlorine Pesticide B
156-60-5 trans-1,2-Dichloroethylene (1,2-trans-Dichloroethylene)
 
 
3
Volatile  
75-25-2 Tribromomethane (Bromoform)
640
a
 
Volatile  
688-73-3 Tributyltin
0.001
c
4
Inorganic/Metal B
12002-48-1 Trichlorobenzene (mixed isomers)
5
d
5,11
Other Semi-Volatile  
79-00-5 Trichloroethane (1,1,2-Trichloroethane)
550
b
 
Volatile  
79-01-6 Trichloroethene (Trichloroethylene)
1940
b
 
Volatile  
79-01-6 Trichloroethylene
1940
b
 
Volatile  
67-66-3 Trichloromethane (Chloroform)
815
a
1
Volatile  
25167-82-2 Trichlorophenols, total
 
 
3
Other Semi-Volatile  
1582-09-8 Trifluralin
 
 
3
   
115-86-6 Triphenyl phosphate
 
 
3
Other Semi-Volatile  
7440-61-1 Uranium
 
 
3
Inorganic/Metal  
7440-62-2 Vanadium
 
 
3
Inorganic/Metal  
1314-62-1 Vanadium pentoxide
 
 
3
Inorganic/Metal  
108-05-4 Vinyl acetate
 
 
3
Volatile  
100-42-5 Vinyl benzene (Phenylethylene)
910
b
2
Volatile  
75-01-4 Vinyl chloride
 
 
3
Volatile  
75-35-4 Vinylidene chloride (1,1-Dichloroethylene)
2240
a
1
Volatile  
108-38-3 Xylene, m-
 
 
3
Volatile  
1330-20-7 Xylenes (total)
19
d
5,12
Volatile  
7440-66-6 Zinc
81
e
 
Inorganic/Metal B
7440-67-7 Zirconium
 
 
3
Inorganic/Metal  

Note: Values are expressed in terms of the dissolved analyte in the water column except for those indicated with endnote 4 which are expressed in terms of total concentration.

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Notes and References

Literature Cited

aU.S. EPA Region 4. 2002. Ecological Risk Assessment Bulletin, 2/11/2002. Waste Management Division Freshwater Surface Water Screening Values for Hazardous Waste Sites.

b TNRCC (Texas Natural Resource Conservation Commission), Toxicology and Risk Assessment Section. December 2001. Guidance for Conducting Ecological Risk Assessments at Remediation Sites in Texas.

cCCME (Canadian Council of Ministers of the Environment). 2003. Canadian Environ0mental Quality Guidelines: Summary Table December 2003. Canadian Council of Ministers of the Environment, Winnipeg, Manitoba. Available at: http://www.ccme.ca/publications/ceqg_rcqe.html .Click here to read the "Exit EPA Website" Disclaimer

dNYS DEC (New York State Department of Environmental Conservation), Division of Water. 1993. Technical and Operational Guidance Series (1.1.1). Ambient Water Quality Standards and Guidance Values and Groundwater Effluent Limitations. The procedures to derive New York standards and guidance values to protect aquatic life.

eU.S. EPA. 2004. National Recommended Water Quality Criteria: 2004

f U.S. EPA. OSWER (Office of Solid Waste and Emergency Response). 1996. Eco Update: Ecotox thresholds. Washington, D.C. EPA 540/F-95/038. Available at: http://www.epa.gov/oswer/riskassessment/pdf/eco_updt.pdf

gU.S. EPA. 2000. Bioaccumulation Testing and Interpretation for the Purpose of Sediment Quality Assessment.

End Notes

1 A safety factor of ten was used to derive a chronic value from an acute value.

2 TNRCC Water Permits and Resource Management Division, 2001. In-house water quality chronic values derived for wastewater permits and requests from the office of waste based on LC50 values in accordance with methodology defined in the TSWQ.

3 Currently, no marine value is available. Refer to US EPA Region 3’s Freshwater Screening Benchmark table for a value.

4 The Canadian Water Quality Guidelines values refer to the total concentration in an unfiltered sample.

5 Value is protective of fish propagation in saline waters.

6 Texas surface water quality standards chronic criteria from Texas Natural Resources Conservation Commission Texas Surface Water Quality Standards, Texas Administrative Code (TAC), Title 30, Chapter 307. Effective August 17, 2000. Available at: http://www.tceq.texas.gov/waterquality/standards/WQ_standards_1997.htmlClick here to read the "Exit EPA Website" Disclaimer

7 Value is the product of acute AWQC value (0.13) and mixing coefficient (0.5) and safety factor (0.1).

8 Value is derived from EPA Sediment Quality Criteria documents.

9 Value is based on the lowest plant value reported.

10 Variation from the natural pH of the area should not exceed 0.2 units.

11 Applies to the sum of 1,2,3-, 1,2,4- and 1,3,5-trichlorobenzene.

12 Applies to the sum of 1,2-, 1,3- and 1,4-xylene.

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Hierarchy for Selection of Marine Benchmarks

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Downloadable Files

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