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9.22.2.3.(1)
OH1OS1OS3OP1
ObjectiveOH1 Indoor Conditions
Attribution
Application
Application 1: 
Steel liners for masonry fireplaces constructed on-site, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Application 2: 
This also applies to fireplaces in buildings to which Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 6], as stated in Sentence 6.2.1.5.(1).
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Intent
Intent 1: 
To limit the probability that the performance or installation of steel liners will fall significantly below expectations, which could lead to the spillage of combustion products into living space, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.
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