OSHA 29 CFR 1910.120(e)(5) requires that HAZWOPER trainers be 'knowledgeable in the subjects.' In practice, what does this MOST directly obligate an instructor to do?
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A
Hold a graduate degree in environmental science
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B
Demonstrate subject-matter competency and stay current with regulatory changes
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C
Complete a new 40-hour HAZWOPER course every year
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D
Pass a state certification exam before each training cycle