TABLE 3.
The Performance of Nickel in the Human Maximization Test
| Test Substance* | Induction/Challenge,† % | Positive |
|---|---|---|
| Potassium dichromate | 2.0/0.25 | 100% |
| p-Phenylenediamine | 10/0.5 | 100% |
| Mercuric chloride | 2.0/0.05 | 92% |
| Epoxy resin‡ | 25/15 | 84% |
| Butylglycidyl ether | 10/10 | 79% |
| Formalin | 5.0/1.0 | 72% |
| Gold chloride | 2.0/0.005 | 69% |
| Penicillin G | 25/10 | 58% |
| Nickel sulfate | 10/2.5 | 48% |
| Cobaltous sulfate | 25/2.5 | 40% |
| Mercaptobenzothiazole | 25/10 | 38% |
| Aniline | 20/10 | 28% |
| Benzocaine | 25/10 | 19% |
| Methyl paraben | 25/10 | 4% |
| Aluminum chloride | 25/10 | 0% |
| Propylene glycol | 25/10 | 0% |