EIA Engineer

Practice session

A proposed chemical plant storage facility plans to store $80\text{ tons}$ of Substance A (critical threshold $Q_A = 100\text{ tons}$) and $30\text{ tons}$ of Substance B (critical threshold $Q_B = 50\text{ tons}$) under Appendix B of HJ 169-2018. What is the calculated total hazardous substance ratio ($Q$), and does it trigger a detailed environmental risk assessment?

Loading your practice session…