23 May 2008
23 May 2008
12
Comparison of RANK by NPI for Perceived
Risk, to Priority on CERCLA list
ATSDR
Priority
Hazardous substances from NPI and
CERCLA Priority list
NPI Rank
Not prioritised
Oxides of nitrogen
1
18
Chromium (VI) compounds
2
189
Carbon monoxide
3
Not prioritised
Sulfur dioxide
4
Not prioritised
Dichloromethane
5
7
Cadmium and compounds
6
Not prioritised
Particulate matter
7
Not prioritised
Sulfuric acid
8
58
Xylenes
9
1
Arsenic compounds
10
2
Lead compounds
11