The first in a series of public hearings on the Prince George's County budget for the fiscal year that begins in July will be held tonight at 7:30 p.m. at Northwestern High School, 7700 Adelphi Rd., Hyattsville.

Priorities and projected revenues and expenses will be discussed. Individuals who want to testify can call 952-3124 to register.

County Executive Parris Glendening is expected to submit a proposed budget to the council by the end of March, after which additional public hearings will be held. The County Council must adopt a final budget by June 1.

Prince George's County officials are seeking applicants for a new building-trade training and job-placement program for young adults living in the county.

The eight-week course will include training in carpentry, electrical systems, plumbing and painting. Participants wil receive an hourly stipend.

Applicants must be between the ages of 18 and 26, have their own transportation and be physically able to do construction work.

The course will be conducted by the Suburban Maryland Building Industry Association and funded by the Department of Housing and Community Development's Housing Authority and Bond Program.

Applicants should call 572-5900 for more information.

A public hearing by the State Highway Administration on the proposed plans for replacement of the Rte. 197 bridge over the Amtrak line in Bowie is scheduled for tonight at 7:30 p.m. at the Rockledge Elementary School, 7701 Laurel-Bowie Rd.

The county's Department of Services and Programs for the Aging now has "Send Help" placards available for older and handicapped county residents.

The placecards can be used in automobiles to summon help if the driver or a passenger becomes incapacitated.

To obtain a placard, call 699-2795.