40 CFR § 74.28 - Allowance allocation for combustion sources becoming opt-in sources on a date other than January 1.

(a) Dates of entry.

(1) If an opt-in source provided monthly data under § 74.20, the opt-in source's opt-in permit may become effective at the beginning of a calendar quarter as of January 1, April 1, July 1, or October 1.

(2) If an opt-in source provided annual data under § 74.20, the opt-in source's opt-in permit must become effective on January 1.

(b) Prorating by Calendar Quarter. Where a combustion source's opt-in permit becomes effective on April 1, July 1, or October 1 of a given year, the Administrator will prorate the allowance allocation for that first year by the calendar quarters remaining in the year as follows:

Allowances for the first year

$=\left(\frac{\text{first year partial baseline}}{\text{baseline or alternative baseline}}\right)\times \text{annual allocation of allowances for the first year}$

(1) For combustion sources that commenced operations before January 1, 1985,

$\text{first year partial baseline}=\frac{\sum _{\mathrm{Year}-1985}^{1987}\text{fuel consumption for remaining calendar quarters}}{3}$

(2) For combustion sources that commenced operations after January 1, 1985,

$\text{first year partial baseline}=\sum _{\text{First 3 consecutive years}}\frac{\text{fuel consumption for the remaining calendar quarters}}{3}$

(3) Under paragraphs (b) (1) and (2) of this section,

(i) “Remaining calendar quarters” shall be the calendar quarters in the first year for which the opt-in permit will be effective.

(ii) Fuel consumption for remaining calendar quarters =

$\sum _{\text{months = Apr., Jul., or Oct.}}^{\mathrm{Dec}}·\sum _{\text{Fuel Types}}\text{quantity of fuel consumed}\times \text{heat content}\times \text{unit conversion}$

where unit conversion

= 2 for coal

= 0.001 for oil

= 1 for gas

For other fuels, the combustion source must specify unit conversion;

and where starting month

= April, if effective date is April 1;

= July, if effective date is July 1; and

= October, if effective date is October 1.