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Bill

HB 1322

Natural Resources - Vessels - Carbon Monoxide Warning Labels (Matthew's Law)

2025 Regular Session Introduced by Nick Allen and 19 co-sponsors

Maryland requires CO warning labels on vessels to alert boaters to carbon monoxide poisoning risks from engine exhaust and enclosed spaces.

Approved by the Governor - Chapter 451
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Bill Summary · HB 1322

Legislative bill overview

HB 1322 requires vessels in Maryland to display carbon monoxide (CO) warning labels in specified locations. The bill, named "Matthew's Law," mandates that these warnings inform boat operators and passengers about the dangers of carbon monoxide poisoning from engine exhaust and enclosed spaces.

Why is this important

Carbon monoxide is an odorless, colorless gas that kills dozens of boaters annually and causes hundreds of non-fatal poisonings. Warning labels serve as a critical low-cost safety measure to increase awareness among recreational boaters who may not understand CO risks, particularly in enclosed or partially enclosed cabin spaces.

Potential points of contention

  • Compliance costs: Vessel owners and manufacturers must bear the expense of producing and installing labels, though costs are likely minimal
  • Label effectiveness: Critics may question whether warning labels alone meaningfully reduce CO poisoning incidents compared to other interventions like ventilation requirements or mandatory CO detectors
  • Scope limitations: The bill addresses awareness but does not mandate engineering controls (ventilation systems) or detection devices (CO alarms) that might provide more substantive protection

Compiled from official sources — confirm details with the bill’s official record.

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