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TABLE 3
Chemical, Uncertainty, and Composite Scores
Calculated by SCRAM
Notes on Table 3

CAS. No. CHEMICAL NAME Chemical
Score		 Uncertainty
Score		 Composite
Score
83329 Acenaphthene 21 16 37
208968 Acenaphthylene 8 40 48
107131 Acrylonitrile 11 12 23
15972608 Alachlor 19 8 27
309002 Aldrin 37 13 50
120127 Anthracene 36 18 54
7440360 Antimony 16 11 27
7440382 Arsenic 22 6 28
1912249 Atrazine 22 5 27
7440393 Barium 16 10 26
56533 Benz (a) anthracene 41 30 71
50328 Benz(a)pyrene 19 14 33
71432 Benzene 19 17 36
92875 Benzidine 22 15 37
7440417 Beryllium 23 12 35
128370 BHT 20 17 37
92524 Biphenyl 17 15 32
74975 Bromochloromethane 7 31 38
75274 Bromodichloromethane 20 28 48
75252 Bromoform 18 27 45
2008415 Butylate 30 32 62
85687 Butylbenzylphthalate 18 14 32
7440439 Cadmium 23 3 26
1563662 Carbofuran 20 10 30
75150 Carbon Disulfide 9 29 38
56235 Carbon tetrachloride 18 12 30
57749 Chlordane 52 8 60
108907 Chlorobenzene 26 26 52
67663 Chloroform 17 10 27
106434 4-Chlorotoluene 12 26 38
2921882 Chlorpyrifos 30 12 42
7440473 Chromium 23 5 28
7440484 Cobalt 15 10 25
7440508 Copper 21 6 27
21725462 Cyanazine 20 24 44
57125 Cyanide 12 16 28
94757 2,4-D 22 7 29
72548 p,p'-DDD 48 19 67
72559 p,p'-DDE 53 10 63
50293 p,p'-DDT 53 7 60
117817 DEHP 26 8 34
1740198 Dehydroabietic acid 18 18 36
333415 Diazinon 30 10 40
53703 Dibenzo(a,h)anthracene 42 28 70
124481 Dibromochloromethane 18 34 52
1918009 Dicamba 21 20 41
95501 1,2-Dichlorobenzene 22 16 38
541731 1,3-Dichlorobenzene 30 16 46
106467 1,4-Dichlorobenzene 15 11 26
75343 1,1-Dichloroethane 8 21 29
107062 1,2-Dichloroethane 19 9 28
75718 Dichlorofluoromethane 21 30 51
75092 Dichloromethane 17 12 26
120365 Dichlorprop 17 28 45
78875 1,2-Dichloropropane 15 13 28
542756 1,3-Dichloropropene 11 14 25
60571 Dieldrin 38 5 43
84662 Diethylphthalate 11 10 21
121697 N,N-Dimethylaniline 8 31 39
84742 Di-n-butylphthalate 21 13 34
117840 Di-n-octyl phthalate 30 16 46
115297 Endosulfan 30 11 41
72208 Endrin 37 9 46
759944 EPTC 23 24 47
563122 Ethion 45 22 67
100414 Ethylbenzene 10 20 30
206440 Fluoranthene 32 16 48
86731 Fluorene 24 20 44
944229 Fonophos 29 30 59
110009 Furan 13 23 36
76448 Heptachlor 38 6 44
1024573 Heptachlor epoxide 40 13 53
118741 Hexachlorobenzene 53 9 62
87683 Hexachloro-1,3-butadiene 37 16 53
77474 Hexachlorocyclopentadiene 15 11 26
67721 Hexachloroethane 33 11 44
110543 Hexane 25 28 53
193395 Indeno(1,2,3-cd)pyrene 11 43 54
78591 Isophorone 7 11 18
143500 Kepone 38 17 55
7439921 Lead 23 1 24
58899 Lindane 38 3 41
330552 Linuron 33 19 52
121755 Malathion 20 14 34
7439965 Manganese 19 9 28
94746 MCPA 22 24 46
7085190 Mecoprop 33 26 59
7439976 Mercury 45 7 52
72435 p,p'-Methoxychlor 36 11 47
90120 1-Methylnaphthalene 29 23 52
91576 2-Methylnaphthalene 27 30 57
51218452 Metolachlor 16 13 29
21087649 Metribuzin 20 25 45
2385855 Mirex 53 9 62
7439987 Molybdenum 21 9 30
91203 Naphthalene 13 12 25
7440020 Nickel 21 6 27
86306 N-Nitrosodiphenylamine 13 20 33
Class 07-8 PBBs 40 10 50
1336363 PCBs 53 8 61
40487421 Pendimethalin 37 30 67
1825214 Pentachloroanisole 23 21 34
608935 Pentachlorobenzene 39 14 53
87865 Pentachlorophenol 29 7 36
85018 Phenanthrene 30 12 42
108952 Phenol 21 9 30
298022 Phorate 19 26 45
39801144 Photomirex 43 22 65
1610180 Prometon 20 31 51
129000 Pyrene 26 15 41
110861 Pyridine 10 31 41
7782492 Selenium 23 7 30
7440224 Silver 18 11 29
93721 Silvex 19 14 33
122349 Simazine 29 16 35
7440246 Strontium 11 14 25
100425 Styrene 18 23 41
1746016 2,3,7,8-TCDD 45 4 49
13071799 Terbufos 16 10 26
634662 1,2,3,4-Tetrachlorobenzene 38 13 51
634902 1,2,3,5-Tetrachlorobenzene 34 17 51
95943 1,2,4,5-Tetrachlorobenzene 40 15 55
79345 1,1,2,2-Tetrachloroethane 12 10 22
127184 Tetrachloroethylene 16 10 26
116290 Tetradifon 21 33 54
109999 Tetrahydrofuran 7 22 29
7440315 Tin 13 13 26
7440326 Titanium 15 9 24
108883 Toluene 31 10 41
8001352 Toxaphene 53 9 62
87616 1,2,3-Trichlorobenzene 30 16 46
120821 1,2,4-Trichlorobenzene 30 11 41
108703 1,3,5-Trichlorobenzene 27 15 42
71556 1,1,1-Trichloroethane 12 12 24
79005 1,1,2-Trichloroethane 21 25 46
79016 Trichloroethylene 22 16 38
95954 2,4,5-Trichlorophenol 30 18 48
88062 2,4,6-Trichlorophenol 20 7 27
93765 2,4,5-Trichlorophenoxyacetic acid 19 13 32
1582098 Trifluralin 36 12 48
7440622 Vanadium 18 9 27
1330207 Xylene (o,m,p included) 9 16 25

Notes on Table 3
Full published article now available (April 2002)

The composite score was the sum of the final chemical score and the final uncertainty score. The SCRAM model preserves the final chemical and uncertainty scores as separate values because they are useful in the interpretation of the final composite scores and rankings.

Reference:
RR Mitchell, CL Summer, SA Blonde, DM Bush, GK Hurlburt, EM Snyder, and JP Giesy. SCRAM: A scoring and ranking system for persistent, bioaccumulative, and toxic substances for the North American Great Lakes -- resulting chemical scores and rankings. Human Ecol Risk Assess. 8(3):537-557. April 2002.

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Jonathan Barney, Water Division, Region 5, USEPA
barney.jonathan@epa.gov

Last Updated: 17 April 2002

URL: http://www.epa.gov/toxteam/pbtrept/pbttable3.htm