40 CFR Part 61 Subpart N -- National Emission Standard for ... - eCFR

18, Aug. 2025

 

40 CFR Part 61 Subpart N -- National Emission Standard for ... - eCFR

Where:

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Ti = The theoretical uncontrolled arsenic emission factor for each glass type (i), g/kg (lb/ton).

Abi = Fraction by weight of elemental arsenic in the fresh batch for each glass type (I).

Wbi = Weight of fresh batch melted per unit weight of glass produced for each glass type (i), g/kg (lb/ton).

Aci = Fraction by weight of elemental arsenic in cullet for each glass type (i).

Wci = Weight of cullet melted per unit weight of glass produced for each glass type (i), g/kg (lb/ton).

Bgi = Weight of elemental arsenic per unit weight of glass produced for each glass type (i), g/kg (lb/ton).

Where:

Yi = Theoretical uncontrolled arsenic emission estimate for the 12-month period for each glass type, Mg/year (ton/year).

Ti = Theoretical uncontrolled arsenic emission factor for each type of glass (i) produced during the 12-month period as calculated in paragraph (c)(1) of this section, g/kg (lb/ton).

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Gi = Quantity of each arsenic-containing glass type (i) produced during the 12-month period, kg/yr (ton/yr).

K = conversion factor for unit consistency, 106 g/Mg (2,000 lb/ton).

Where:

U = Uncontrolled arsenic emission rate for the 12-month period, Mg/yr (ton/yr).

Ti = Theoretical uncontrolled arsenic emission factor for each type of glass (i) produced during the 12-month period as calculated in paragraph (c)(1) of this section, g/kg (lb/ton).

F = The correction factor calculated in paragraph (d)(4) of this section.

Gi = Quantity of each arsenic-containing glass type (i) produced during the 12-month period, kg/yr (ton/yr).

n = Number of arsenic-containing glass types produced during the 12-month period.

K = Conversion factor for unit consistency, 106 g/Mg (2,000 lb/ton).

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