FWS announced withdrawal of a proposal to list the mountain plover as a threatened species under the ESA because threats to the species are not as significant as earlier believed.

FWS proposed to designate 57,756 acres in Ada, Elmore, Owyhee, and Payette Counties in Idaho as critical habitat for slickspot peppergrass.

FWS proposed to identify the Minnesota population of gray wolves as a western Great Lakes distinct population segment of the gray wolf, to remove this segment from the list of endangered and threatened wildlife under the ESA, and to initiate a rangewide status review.

NOAA-Fisheries announced a 90-day finding on a petition to revise critical habitat for the endangered leatherback sea turtle off the northeast ecological corridor of Puerto Rico; the agency found that revision may be warranted.

EPA proposed to revoke a significant new use rule for a chemical substance identified generically as substituted ethoxyethylamine phosphonate because of new information and test data.

EPA proposed to approve revisions to Wisconsin's hazardous waste management program; see above for direct final rule.

SIP Proposal: Wyoming (attainment of the 1997 ozone NAAQS).

SIP Proposal: West Virginia/Kentucky/Ohio (attainment of the 1997 annual average PM NAAQS for the tri-state nonattainment area)

SIP Proposal: Virginia (definition of a cogeneration unit)

SIP Proposal: Virginia (revisions to PSD permit program).