The phrase "additional volunteers" is correct and usable in written English.
You can use it when referring to more volunteers beyond those already mentioned or involved in a project or event.
Example: "We are looking for additional volunteers to help with the community cleanup this Saturday."
Alternatives: "extra volunteers" or "more volunteers".
Additional volunteers to support the DSLC are always welcome.
And additional volunteers will be trained in the fall, when the inventory continues.
She's tried to spend more time volunteering, but several hospitals have told her they have no room for additional volunteers.
On one day, 200 additional volunteers joined him in his mission to give the memorials the dignity they deserved.
The regular army was increased to more than 30,000 troops, and approximately 60,000 additional volunteers were recruited.
The group was joined by two additional volunteers and some shrubs were planted along the urban oasis.
"In the Junior League, 81percentt do additional volunteer work and 58percentt work outside the home," she said, standing abruptly.
The goal is to recruit 15,000 additional volunteer firefighters in four years from the receipt of the grant.
Meet officials had water stations every mile on both sides of the road, and Cheboror said there were many additional volunteer water stops, "and that helped".
For her part, Ms. Feldman has managed to parlay her volunteer work at the Correctional Association into additional volunteer opportunities and contacts at places like Friends of the Island Academy, a nonprofit organization that helps young people who have been released from Rikers Island.
Social media are "a tremendous tool, a tremendous resource," Mr. McKenna said, because they not only "allow us to collect all that our volunteers are doing and tell their stories" but also enable the volunteers to "talk to each other," which "feeds on itself" and encourages additional volunteering.
