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CONFERENCE SCHEDULE UPDATES & CHANGES:
As a result of the prolonged government shutdown, we’re expecting some presentation cancellations and will continue to update the schedule with changes as they occur.  Otherwise the conference will proceed as planned.  Current cancellations and changes are listed here.

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Tuesday, January 29 • 4:40pm - 5:00pm
(NEW TIME) (SYMPOSIA-11) Efficacy Testing of Mussel Stopper® for Dreissena Mussels

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AUTHORS: Lewis Steven Beckham, Barnacle-Blocker, LLC

ABSTRACT: The efficacy in situ of Mussel Stopper®, a brand name for a water insoluble, non-toxic, patented (10,053,584B1), US EPA labeled (89825-1) repellent for Dreissena mussels that can be applied underwater is being measured in a multi-location, multi-year randomized testing program. Testing apparatus consists of a PVC frame with six treatment sets of black ABS plastic coupons attached with cable ties. The ABS plastic coupons have one smooth side and one textured side. Treatments are untreated, component wax only and Mussel Stopper® applied according to labeled directions.  The test lattices are suspended in the water column in locations picked for high incidence of Dreissena mussels. The tests are periodically lifted out of the water and visually rated for percent coverage by the mussels. Since each test has two sides, a total of twelve replications per location are evaluated. After two years of testing, Mussel Stopper® treated coupons averaged 0.60% covered. Component wax only treated coupons averaged 17.7% covered and untreated coupons have averaged 84.8% coverage. Standard deviation is 38.4%. Testing continues, but so far Mussel Stopper® performance is significantly better than the checks.KEY WORDS: Mussel Stopper, Dreissena mussels, applied underwater, US EPA labeled, non-toxic, water insoluble

Tuesday January 29, 2019 4:40pm - 5:00pm
CENTER STREET ROOM A

Attendees (1)