Pursuant to procedures described at 54 FR 2214 (January 19, 1989), EPA has recently approved a number of minor State implementation plan (SIP) revisions submitted by the Washington Department of Ecology (WDOE), namely local air pollution control agency regulations from Puget Sound Air Pollution Control Agency (PSAPCA) and a recodification of WDOE's SIP table of contents. This document lists the revisions EPA has approved and incorporates the relevant material into the Code of Federal Regulations.