INTENT:
To limit the probability of carbon monoxide gas entering
living space undetected, which could lead to the acute poisoning or asphyxiation
of persons.
[Clause (a)] To limit the probability that the carbon monoxide
alarming devices will not be loud enough to wake sleeping occupants, which
could lead to carbon monoxide gas entering living space undetected, which
could lead to the acute poisoning or asphyxiation of persons.
[Clause (b)] To limit the probability that carbon monoxide
gas will not be detected at or near its source, which could lead to carbon
monoxide gas entering living space undetected or with less than the maximum
possible warning time for occupants, which could lead to the acute poisoning
or asphyxiation of persons.