Amendments to Standards of Performance for New Stationary Sources; Monitoring Requirements: Delay of Effective Date

In accordance with the memorandum of January 20, 2001, from the Assistant to the President and Chief of Staff, entitled "Regulatory Review Plan," published in the Federal Register on January 24, 2001, this action temporarily delays for 60 days the effective date of the rule entitled Amendments to Standards of Performance for New Stationary Sources; Monitoring Requirements, published in the Federal Register on August 10, 2000, 65 FR 48914. That rule concerns revising monitoring requirements to Performance Specification 1 (PS-1) of appendix B to part 60. The revisions clarify and update requirements for source owners and operators who must install and use continuous stack or duct opacity monitoring equipment. The revisions also update design and performance validation requirements for continuous opacity monitoring system (COMS) equipment in appendix B, PS-1.