98.277—Records that must be retained.

In addition to the information required by § 98.3(g), you must retain the records in paragraphs (a) through (f) of this section.
(a) GHG emission estimates (including separate estimates of biogenic CO2) for each emissions source listed under § 98.270(b).
(b) Annual analyses of spent pulping liquor HHV for each chemical recovery furnace at kraft and soda facilities.
(c) Annual analyses of spent pulping liquor carbon content for each chemical recovery combustion unit at a sulfite or semichemical pulp facility.
(d) Annual quantity of spent liquor solids combusted in each chemical recovery furnace and chemical recovery combustion unit, and the basis for detemining the annual quantity of the spent liquor solids combusted (whether based on T650 om-05 Solids Content of Black Liquor, TAPPI (incorporated by reference, see § 98.7) or an online measurement system). If an online measurement system is used, you must retain records of the calculations used to determine the annual quantity of spent liquor solids combusted from the continuous measurements.
(e) Annual steam purchases.
(f) Annual quantities of makeup chemicals used.