(a) 0.030 grains per dry standard cubic foot of flue gas, corrected to seven percent oxygen for (1) any incinerator, existing as of the effective date of this Subpart, and which is used to burn infectious waste at the site of waste generation, and (2) any incinerator modification or replacement, occurring after the effective date of this Subpart, and which is used to burn infectious waste at the site of waste generation and whose hourly charging rate does not exceed the hourly charging rate of the original unit; and

(b) 0.015 grains per dry standard cubic foot of flue gas, corrected to seven percent oxygen for (1) any incinerator located at a facility not generating infectious waste, and (2) any incinerator for which an application for permit to construct is received after the effective date of this Subpart and which does not meet the conditions of paragraph (a)(2) of this section.