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Controlling Hydrocarbon Emissions from Tank Vessel Loading (1987) / Chapter Skim
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Executive Summary
Pages 1-6

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From page 1...
... Nevertheless, hydrocarbon vapors are important contributors to ozone generation. Several states are considering controls as a way to meet federal air quality standards for ozone set by the U.S.
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From page 2...
... The addition of vapor-handling systems, it has been suggested, could increase the risks of such events by adding to the operational complexity of loading operations, and in particular by requiring additional handling of potentially explosive vapors. Experience to date is too limited to justify firm conclusions, although it does suggest that proper personnel training and management can keep the risks of vapor control within the bounds of normal risks in the industry.
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From page 3...
... This could put small terminals and small inland barge companies at a competitive disadvantage. Second, the hydrocarbon vapor control standards under consideration for marine terminals and vessels would affect the cost-competitiveness of tank vessels in relation to other forms of transport.
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From page 4...
... Marine vessels, unlike other mobile emissions sources such as automobiles, are not expressly regulated by federal air quality legislation. It is unclear whether EPA may require states to regulate the emissions of so-called mobile sources (such as vessels)
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From page 5...
... 6. Controlling hydrocarbon vapors from vessels may be cost-effective in a particular nonattainment area for ozone if tank vessels are a signi ficant source of hydrocarbon vapor emissions and cargo-loading through put is sufficient to justify control measures.
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From page 6...
... RECOMMENDATION: A program of technical research, development, and testing should be directed to changes in operational procedures that may reduce emissions, to recovery and disposal technologies that may offer safer, less costly control measures, and to vapor barriers and foams that could help reduce hydrocarbon emissions by controlling vapor generation in cargo tanks.
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Key Terms

  • hydrocarbon vapor
  • vapor emissions
  • coast guard
  • tank barges
  • tank vessels

  • hydrocarbon vapors
  • risk analysis
  • federal air
  • personnel training
  • tank barge

  • quality standards
  • clean air
  • control measures
  • air act
  • hydrocarbon emissions

  • vapor emission
  • require raising
  • coordinated national
  • meet federal
  • training standards

  • marine safety
  • detonation arrestors
  • prevent overfilling
  • marine terminals
  • loading rates

  • regulatory development
  • technically feasible
  • national approach
  • available technology
  • closed loading


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