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5.5.4.3.(1) | Application | Intent |
| OS1 | OP1 | OP1 | OP1 | OS1 | OS1 | OS1 | OS1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Exhaust ventilation systems for power-ventilated enclosures,
where, as stated in Sentence 5.5.4.2.(1):
This applies to laboratories where dangerous goods, including flammable
liquids and combustible liquids, are
used in normal laboratory operations in quantities or in a manner that creates
a fire or explosion hazard.
Application 2: This also applies where perchloric acid is heated
above normal ambient temperature, as stated in Sentence 5.5.5.5.(1).
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| Intent | Intent 1: To limit the probability that sparks or heat generated by
the ventilation system will ignite vapours, particles or deposits, which could
lead to a fire or explosion, which could lead to harm to persons.
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