Chemical | ATSDR MRLs | IRIS cancer risk levels | ||||
---|---|---|---|---|---|---|
Acute | Intermediate | Chronic | 1/1,000,000 | 1/100,000 | 1/10,000 | |
Benzene | 29 | 20 | 10 | .45 | 4.5 | 45 |
1,3 butadiene | Â | Â | Â | 0.03 | 0.3 | 3 |
Ethylbenzene | 21,700 | 8,680 | 260 | Â | Â | Â |
Formaldehyde | 49 | 37 | 10 | 0.08 | 0.8 | 8 |
N-hexane | Â | Â | 2,115 | Â | Â | Â |
Hydrogen sulfide | 98 | 28 | Â | Â | Â | Â |
Toluene | 3,750 | Â | 300 | Â | Â | Â |
Xylenes | 8,680 | 2,604 | 217 | Â | Â | Â |