NSPS for Kraft Pulp Mills (40 CFR Part 60, Subpart BB) (Renewal)

The New Source Performance Standards (NSPS) for the regulations published at 40 CFR Part 60, Subpart BB were proposed on September 24, 1976, promulgated on February 23, 1978, and amended on April 4, 2014. These regulations apply to the following facilities at existing kraft pulp mills that commenced construction, reconstruction, or modification after September 24, 1976 and on or before May 23, 2013: recovery furnaces, smelt dissolving tanks, lime kilns, digester systems, brown stock washer systems, black liquor oxidation systems, multiple effect evaporator systems and condensate stripper systems. In pulp mills where kraft pulping is combined with neutral sulfite semi-chemical pulping, the provisions of this Subpart are applicable when any portion of the material charged to an affected facility is produced by the kraft pulping operation. This information is being collected to assure compliance with 40 CFR Part 60, Subpart BB. New facilities that commenced construction, modification or reconstruction after May 23, 2013 are subject to regulation under 40 CFR Part 60 Subpart BBa. In general, all NSPS standards require initial notifications, performance tests, and periodic reports by the owners/operators of the affected facilities. They are also required to maintain records of the occurrence and duration of any startup, shutdown, or malfunction in the operation of an affected facility, or any period during which the monitoring system is inoperative. These notifications, reports, and records are essential in determining compliance, and are required of all affected facilities subject to NSPS.

The latest form for NSPS for Kraft Pulp Mills (40 CFR Part 60, Subpart BB) (Renewal) expires 2029-06-30 and is listed under ICR 202510-2060-009.