Christmas in April seeks businesses to contribute building materials and supplies for the repair of 100 homes April 26. All donations gratefully accepted. Call 301-868-0937.

Fairland Sports and Aquatic Complex in Laurel is looking for friendly, energetic people for the following positions: water safety instructor assistant, with good swimming skills, to help teach children how to swim; staff assistant for the after-school program, helping to organize activities and assisting children ages 5 to 12; facility aide, to answer phones, provide customer service and assist in daily operations. Schedules for all positions are flexible. Call 301-206-2359.

Greenbelt National Park needs people to help with outdoor projects. Priority will be given to painting picnic tables and park cleanup, 10 a.m. Nov. 16. Appropriate clothing is a must. The park is at 6565 Greenbelt Rd., Greenbelt. For more information and directions call 301-344-3944.

Helping One Student to Succeed (HOSTS) is an academic structured mentoring program that pairs one student with one mentor. Those with an interest in literacy mentoring, please call Mount Rainier Elementary School, 301-985-1810, Ext. 256.

High Point High School needs tutors in reading, writing, history, biology, chemistry, environmental science and all levels of math. Tutoring sessions are scheduled from 2:30 to 4:15 p.m., Tuesdays and Thursdays. Volunteer for one or both days. Training is provided. Call Gloria Coliton, 301-572-6400, Ext. 291, or e-mail volunteerhp@hotmail.com.

La Clinica del Pueblo hosts Health Sundays, a monthly health fair held at local churches frequented by the Latino community. The program is in need of professional volunteers, including doctors, nurses and health advocates, to staff the fairs and assist with diabetes education, cholesterol and HIV testing, blood pressure screenings and more. These events are free and open to the public. To volunteer for the next scheduled fair, call Joanna Matthews, 202-464-0145.

The Literacy Council of Prince George's County needs volunteers to help adults learn to read and write. A training workshop is scheduled, 10 a.m. to 4 p.m., Saturday and Tuesday, at the Hyattsville Municipal Center, 4310 Gallatin St., Hyattsville. Cost of the basic workshop is $25; English as a second language workshop is $35. For more information or to register, call 301-699-9770.

The Maryland-National Park and Planning Commission is seeking enthusiastic people to assist with the third annual Gingerbread House Contest and Show at Darnall's Chance Museum in Upper Marlboro. The event is scheduled for Nov. 29 and 30 and Dec. 1, 7, 8, 13 and 14. Event times vary; positions are available in registration, admission and gift shop sales. For more information call the Volunteer Services Office, 301-249-7208, or Darnall's Chance Museum, 301-952-8010.

National Multiple Sclerosis Society needs two people, 16 and older, to assist with a newly formed water exercise class in Bowie. No swimming experience is necessary; training will be provided. Call Kristina Price, 202-296-5363.

The Prince George's County Department of Social Services is seeking adults interested in providing financial mentoring to current and former adult recipients of the county's temporary cash assistance program. Call 301-909-7004 for more information.

-- Barbara Hinton

If you want to volunteer, contact the agencies directly. To list your organization in Volunteers, send e-mail to pgextra@washpost.com; fax to 301-952-1397; or write to Volunteers, Prince George's Extra, The Washington Post, 14402 Old Mill Rd., Suite 201, Upper Marlboro, Md. 20772.