For OSWI units with initial startup before June 30, 2025, you must meet the emission limitations specified in table 1 to this subpart 60 days after your OSWI unit reaches the charge rate at which it will operate, but no later than 180 days after its initial startup. For OSWI units with capacities greater than 10 tons per day and with initial startup on or after June 30, 2025, you must meet the emissions limitations specified in table 1a to this subpart 60 days after your OSWI unit reaches the charge rate at which it will operate, but no later than 180 days after its initial startup. For very small municipal waste combustion units and institutional waste incineration units with capacities less than or equal to 10 tons per day with initial startup on or after June 30, 2025, you must meet the emission limitations specified in table 1b to this subpart 60 days after your OSWI unit reaches the charge rate at which it will operate, but no later than 180 days after its initial startup.