Table 2 Classification of compounds based on potential exposure (PECa and PECb values): risk categories
Class | Risk |
|---|---|
Class IA | High-risk compounds |
Class IB | Potentially hazardous compounds but limited data |
Class IIA | Potentially hazardous compounds |
Class IIB | Unclassified risk |
Class III | Very low risk |
Class IV | Very low risk |