Section 60.542a - Alternate standard for volatile organic compounds(a) On and after the date on which the initial performance test, required by § 60.8 , is completed, but no later than 180 days after September 19, 1989, each owner or operator subject to the provisions in § 60.540(b) shall not cause to be discharged into the atmosphere more than: 25 grams (0.055 lb) of VOC per tire processed for each month if the operation uses 25 grams (0.055 lb) or less of VOC per tire processed and does not employ a VOC emission reduction system.54 FR 38635, Sept. 19, 1989, as amended at 65 FR 61765 , Oct. 17, 2000