Loss on ignition

Loss on ignition (LOI) means the percent decrease in weight of wool fiberglass after it has been ignited. The LOI is used to monitor the weight percent of binder in wool fiberglass.

Source

40 CFR § 63.1381

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, or in this section as follows:

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