One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 287
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For reusable **chemical packaging and containers, the inspection records prior to use must be retained for at least years. ( ) A.1 B.2 C.3 D.4 Answer: B
For reused **chemical packaging and containers, the user unit shall inspect them before reuse； If safety hazards are found, they should be repaired or replaced. The user unit shall keep records of the inspection, and these records must be retained for a period of not less than 2 years
B,2-----------------------
For reusable **chemical packaging and containers, the inspection records prior to use must be retained for at least (3) years
Option B should be chosen. According to the **Regulations on the Safe Management of Chemicals**, reusable **chemical packaging and containers must be inspected before use, and the inspection records must be retained for at least two years.
For reusable **chemical packaging and containers, the inspection records prior to use must be retained for at least years. (B ) A.1 B.2 C.3 D.4
For reusable **chemical packaging and containers, the inspection records prior to use must be retained for at least years. ( ) B.2