Elkton company builds underwater spray system that aims to control pest

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Mid-Atlantic Services, Elkton, MD announced that the company was selected to build an underwater sprayer that is used to control midge larvae.

The Maryland Departments of Agriculture (MDA) and Natural Resources (DNR) are directing the program which was created by an executive order from Governor Larry Hogan.

The MAS midge sprayer is designed to spray an insecticide underwater. It consists of two tanks: one tank mixes the insecticide and the other tank has a spray pump. The equipment is placed on a barge and a 27 foot bar drops 18 spray tips 10 feet below the surface to apply the insecticide to the bottom where the midge larvae live. The insecticide is known as Bacillus thuringiensis israelensis (Bti) and is nontoxic to people, mammals, birds, fish, and most invertebrates.

In response to concerns from local citizens and businesses, the state initiated the pilot program to suppress midges in the Back River area of Baltimore County. The initial treatment was applied in September. Subsequent applications are planned for April, May and June, weather permitting. DNR will periodically take samples to monitor the effectiveness of the pilot program.

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Mid-Atlantic General Manager John Haase is excited to participate in this pilot program. He said, “Being selected to build an underwater sprayer to control the midge population goes back to our company’s unique ability to solve complex liquid handling challenges. Working with MDA, DNR, and Valent, the manufacturer of Bti, we were able to engineer and customize a sprayer to meet this specific need. It is our hope that by using this specially designed equipment, we will be able to help the state agencies control this pest.”

Established in 1986, Mid-Atlantic Services designs, manufactures and supports a large array of liquid handling products for the agriculture, lawn care, golf course, and highway maintenance industries.

For more information, visit www.masspray.com.

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