Looking for volunteer opportunities? The following groups in your area need volunteer help for a day, a week or on a regular basis. Nonprofit groups in need of volunteers should send notices to Volunteers, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071. The list is published the first Thursday of the month.

Community Theater Volunteers

Rockville Little Theatre needs volunteers of all ages to build and paint sets, find or create props, sew costumes, operate sound equipment, sell tickets, create publicity materials and pull the curtain. Producers, stage managers, assistant directors, lighting designers and costume designers are also needed. Training is provided. Volunteers will report to the Rockville Civic Center at 603 Edmonston Dr. For more information, call 301-770-2631.

Butterfly Show Guides

Brookside Gardens in Wheaton needs guides to lead children, ages 8 to 10, on a tour of a butterfly show in its South Conservatory. Volunteers also are needed to help teachers with educational projects in the Children's Classroom at Brookside Gardens. Basic knowledge of butterflies and the host and nectar plants for butterfly species is required. A strong interest in butterflies, horticulture and children's education is requested. Volunteers, who must be at least 18 years old, work six shifts of four to five hours each on weekdays in August and September. Training is provided, and at least one training session is mandatory. Brookside Gardens is at 1800 Glenallan Ave. For more information, contact Jayne S. Hench at 301-495-2504.

Folk Festival Workers

Volunteers are needed for the Washington Irish Folk Festival, to be held Sept. 4 and 5 at the Montgomery County Fairgrounds. Volunteers will handle sales of beverages, T-shirts and programs; set up and tear down the site; and help with parking, information booth and ticket sales. Volunteers will be asked to work at least one four-hour shift. The festival will run from 11 a.m. to 10 p.m. Saturday and 11 a.m. to 8 p.m. Sunday. A three-hour, evening orientation will be held. For more information, call Jane Twomey at 301-565-0654.

Foster Homes for Dogs

The Montgomery County Society for the Prevention of Cruelty to Animals needs foster homes for dogs until a permanent home can be found for them. An SPCA staff member visits the potential foster home to see where the animal would live. The length of the dog's stay ranges from a week to three months, depending on how long it takes to find the dog a permanent home. Dogs are vaccinated and spayed or neutered, and the SPCA provides food and supplies, such as leashes and collars. For more details, call 301-948-4266.

Cleaning War Memorials

The National Park Service is seeking volunteers to wash the Vietnam Veterans and Korean War memorials at 6:30 a.m. on Sundays in Washington. The cleaning lasts an hour to two hours. All cleaning equipment and supplies are provided, and a reserved parking space is available. For more information, call 202-426-6841.

Mentors for Immigrant Children

Montgomery County Intergenerational Resource Center (Interages) needs volunteers ages 55 and older to serve as mentors for immigrant children who have recently moved to the United States. Mentors meet with students once a week after the school day at the students' schools in Silver Spring or Takoma Park. Activities include educational games, discussing American culture, doing homework and language-building. Training is provided. The Interages office is at the Holiday Park Senior Center, 3950 Ferrara Dr., Wheaton. For more information, call Wendy Morris at 301-949-3551.

Emergency Rescue Workers

The volunteer Bethesda-Chevy Chase Rescue Squad Inc. is recruiting new members who are interested in becoming emergency medical technicians (EMT), paramedics and firefighters. Volunteers who have not received Maryland EMT certification must undergo 131 hours of class time at the Public Safety Training Academy on Darnestown Road in Rockville. Further training is held at the squad office, 5020 Battery Lane, Bethesda. Members of the squad are required to work a minimum of one night a week, from 7 p.m. to 7 a.m. For more information, call Judy Lath 301-652-0077, Ext. 216.

Delivering Meals to the Elderly

Meals on Wheels of Central Maryland Inc. needs volunteers to deliver meals to the homebound elderly, ill or disabled individuals in Howard, Anne Arundel and Baltimore counties, as well as northeast Montgomery County. Volunteers work twice a month or once a week, delivering two meals (one hot and one cold) between 10:45 a.m. and 1:30 p.m. weekdays, including holidays. The food, which is preprepared by Meals on Wheels, can be picked up by the volunteer at various locations in each county. For more information, call 410-558-0932, Ext. 3022.

Friendly Visitors

The Montgomery County Mental Health Association needs volunteers to visit homebound, elderly people living in private houses, apartments or group homes in Montgomery County. A one-year commitment is requested, and visitors are asked to volunteer a minimum of four hours a month. Visiting times are flexible. Orientation and training are provided. For more information, call Judy Miller at 301-424-0656, Ext. 107.

Museum Information Desks

The Smithsonian Institution's Visitor Information Center and Associates' Reception Center are seeking volunteers to staff information desks at Smithsonian museums in Washington. Applications are being accepted for the fall and winter training classes. For an application, call 202-357-2700.

Science Teachers

Retirees Enhancing Science Education Through Experiments and Demonstrations (RE-SEED), needs volunteers, especially scientists and engineers, to create science experiments and aid science teachers with classroom assignments for students in 6th-through-8th grades at schools in Washington, Virginia and Maryland. After mandatory training in late September, volunteers will be assigned to a classroom, and they will be asked to commit to work one full school day a week for the school year. For more information, call David Weiss at 301-587-0410.