Table A1.
Critical Element forms listed in the 15th Report on Carcinogens, 2021 a.
| CAS b | Substance Name | Listing c |
|---|---|---|
| 1309-64-4 | Antimony Trioxide | RAHC |
| 7440-38-2 | Arsenic | Known |
| 7440-41-7 | Beryllium | Known |
| 7787-47-5 | Beryllium Chloride | Known |
| 7787-56-6 | Beryllium Sulfate Tetrahydrate | Known |
| 13327-32-7 | Beryllium Hydroxide | Known |
| 13510-49-1 | Beryllium Sulfate | Known |
| 13598-00-0 | Beryllium Silicate | Known |
| 13598-15-7 | Beryllium Phosphate | Known |
| 25638-88-4 | Zinc Beryllium Silicate | Known |
| 66104-24-3 | Beryllium Carbonate | Known |
| 1333-82-0 | Chromium Trioxide | Known |
| 7775-11-3 | Sodium Chromate | Known |
| 7778-50-9 | Potassium Dichromate | Known |
| 7788-98-9 | Ammonium Chromate | Known |
| 7789-00-6 | Potassium Chromate | Known |
| 7789-06-2 | Strontium Chromate | Known |
| 7789-09-5 | Ammonium Dichromate | Known |
| 10588-01-9 | Sodium Dichromate | Known |
| 11119-70-3 | Lead Chromate | Known |
| 13530-65-9 | Zinc Chromate | Known |
| 13765-19-0 | Calcium Chromate | Known |
| 18540-29-9 | Chromium (VI) | Known |
| 71-48-7 | Cobalt Acetate | RAHC |
| 7440-48-4 | Cobalt | RAHC |
| 7646-79-9 | Cobalt Chloride | RAHC |
| 10026-24-1 | Cobalt Sulfate Heptahydrate | RAHC |
| 10124-43-3 | Cobalt Sulfate | RAHC |
| 10141-05-6 | Cobalt Nitrate | RAHC |
| 11104-61-3 | Cobalt Oxide | RAHC |
| 12653-56-4 | Cobalt Sulfide | RAHC |
| NA | Cobalt-Tungsten Carbide: Powders and Hard Metals | RAHC |
| 373-02-4 | Nickel Acetate | Known |
| 1313-99-1 | Nickel Monoxide | Known |
| 7440-02-0 | Metallic Nickel | RAHC |
| 7786-81-4 | Nickel Sulfate | Known |
| 11113-75-0 | Nickel Sulfide | Known |
| 12035-72-2 | Nickel Subsulfide | Known |
| 12054-48-7 | Nickel Hydroxide | Known |
| NA | Nickel Compounds | Known |
a The Report is a scientific and public health document that identifies and discusses agents or exposure circumstances that may pose a cancer hazard to humans. (https://ntp.niehs.nih.gov/go/roc15; accessed on 5 June 2022); b Chemical Abstracts Service registry number. c RAHC = Resonably anticipated to be a human carcinogen; Known = Known to be a human carcinogen.