Pesticides In The Environment MEDIUM 40 CFR § 165.85

Under federal pesticide containment regulations (40 CFR Part 165), what capacity must a secondary containment dike hold for stationary bulk liquid storage tanks?

Multiple Choice Options

A At least 110% of the volume of the largest single tank within the containment area, plus freeboard for precipitation. ✓ OFFICIAL VERIFIED CORRECT ANSWER
B Exactly 25% of the smallest tank.
C 10 gallons total.
D Zero containment is required if outdoors.
✓ LEGAL EXPLANATION & STATUTORY RATIONALE
40 CFR § 165.85
Official Manual Chapter: Chapter 11: Storage and Containment

EPA 40 CFR § 165.85 mandates secondary containment structures for stationary bulk liquid pesticides must hold at least 110% of the largest tank's capacity.

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