International Journal of Interdisciplinary Research
Table 2 Evaluation of primary irritation index (P.I.I.)
P.I.I. | Evaluation |
|---|---|
0.00 | No irritation |
0.04–0.99 | Irritation barely perceptible |
1.00–1.99 | Slight irritation |
2.00–2.99 | Mild irritation |
3.00–5.99 | Moderate irritation |
6.00–8.00 | Severe irritation |