Practice Test Geeks(CMC) Certified Marine Chemist Practice Test
← All CMC Flashcard Decks

Regulatory Compliance and Standards Flashcards

7 cards from real CMC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Regulatory Compliance and Standards flashcards as text

  1. The NIOSH Immediately Dangerous to Life or Health (IDLH) value for hydrogen sulfide (H2S) is:

    Answer: 50 ppm

    NIOSH established the IDLH for H2S at 50 ppm; at this concentration, exposure for 30 minutes can cause irreversible health effects or death.

  2. OSHA's Permissible Exposure Limit (PEL) for benzene as an 8-hour time-weighted average (TWA) in shipyard operations under 29 CFR 1915.1028 is:

    Answer: 1 ppm

    OSHA sets the benzene PEL at 1 ppm as an 8-hour TWA under the benzene standard 29 CFR 1915.1028 for shipyard employment.

  3. The NIOSH IDLH value for carbon monoxide (CO) is:

    Answer: 1200 ppm

    NIOSH established the CO IDLH at 1200 ppm, a level that presents immediate danger of life-threatening exposure within 30 minutes.

  4. Under 46 CFR 35.01-1, what is required before any hot work can commence on a vessel that has carried flammable or combustible cargo within the last 12 months?

    Answer: A certificate from a Marine Chemist or authorized person confirming safe conditions

    46 CFR 35.01-1 requires a certificate issued by a Marine Chemist or Coast Guard-authorized person before hot work on any vessel that has carried flammable or combustible material.

  5. Which organization administers the Marine Chemist qualification examination and issues the Marine Chemist Certificate in the United States?

    Answer: National Fire Protection Association (NFPA)

    The NFPA administers the Marine Chemist examination program and issues the Marine Chemist Certificate through its certification process.

  6. When OSHA PELs and ACGIH Threshold Limit Values (TLVs) differ for a substance encountered during a marine chemist inspection, which value takes legal precedence in a U.S. shipyard?

    Answer: OSHA PEL, as it is the legally enforceable federal standard

    OSHA PELs are legally enforceable federal standards; while ACGIH TLVs may be more protective, only OSHA PELs carry the force of law in U.S. workplaces.

  7. Under NFPA 306, what is the required action when a Marine Chemist discovers that conditions in a certified space have deteriorated beyond safe limits while hot work is in progress?

    Answer: Immediately halt all work and require worker evacuation until the space is re-evaluated and re-certified

    NFPA 306 requires immediate work stoppage and evacuation whenever conditions deteriorate beyond safe limits; work cannot resume until the space is re-inspected and re-certified.