Practice Test Geeks(CMC) Certified Marine Chemist Practice Test
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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. A Marine Chemist tests a tank and finds oxygen at 20.1%, LEL at 4%, and detects hydrogen sulfide at 8 ppm (OSHA PEL ceiling = 20 ppm). What is the correct certificate designation under NFPA 306?

    Answer: Safe for Men and Safe for Hot Work, with H2S notation

    With O2 in normal range, LEL below 10%, and H2S below the PEL ceiling, the space qualifies as 'Safe for Men and Safe for Hot Work' but requires notation of H2S presence on the certificate.

  2. Under 29 CFR 1915 Subpart B, an employer wants to allow workers to enter a tank without atmospheric testing. Under what condition does OSHA allow this exception?

    Answer: OSHA provides no exception — testing is always required before entry

    29 CFR 1915.12 requires atmospheric testing before entry with no exception for assumed safe conditions; all confined vessel spaces must be tested.

  3. MARPOL Annex I regulates discharges from which type of cargo system that marine chemists frequently encounter when inspecting vessel tanks?

    Answer: Oil and oily water from machinery spaces and cargo tanks

    MARPOL Annex I governs prevention of pollution by oil, applying directly to oil cargo tanks and machinery space bilges that marine chemists assess for residue hazards.

  4. A vessel operates under a USCG Certificate of Inspection. What is the consequence for the vessel owner if hot work is performed without the required Marine Chemist certificate under 46 CFR Part 35?

    Answer: Civil penalties and potential revocation of the Certificate of Inspection

    Violations of 46 CFR Part 35 expose vessel owners to civil penalties under the Ports and Waterways Safety Act and may jeopardize the vessel's Certificate of Inspection.

  5. Under NFPA 306, if a vessel tank's atmosphere reads exactly 10% LEL during testing, which certificate is appropriate for hot work?

    Answer: Not Safe for Hot Work — the reading must be below 10% LEL, not at it

    NFPA 306 requires flammable vapor to be below 10% LEL for a 'Gas Free' designation; a reading of exactly 10% LEL does not meet the standard and prohibits hot work certification.

  6. How long must Marine Chemist inspection records and certificates be retained under OSHA 29 CFR 1915 recordkeeping requirements?

    Answer: 30 years for carcinogen exposures; 3 years for general records

    OSHA 29 CFR 1910.1020 (incorporated into 1915) requires 30-year retention for exposure records involving carcinogens and 3 years for general safety and health records.

  7. Under OSHA 29 CFR 1915.152, which hierarchy of controls must be applied first before requiring workers to use personal protective equipment (PPE) in shipyard confined spaces?

    Answer: Engineering controls and administrative controls must be implemented before PPE is required

    OSHA's hierarchy of controls requires engineering controls (ventilation, isolation) and administrative controls to be implemented before relying on PPE as a line of defense.