Sorry I didn't see this sooner.
The Washington State Department of Natural Resources (DNR) is offering a free training on how to measure sound levels from off-road vehicles from 9 a.m. to 1:30 p.m., Saturday, April 18 at Straddleline ORV Park, 15015 State Route 8 West, McCleary.
Get your own ORV’s sound level measured and learn more about how law enforcement officers test for sound.
Class covers:
• Sound basics, including definitions, the human hearing mechanism, sound measurement, and comparative sound levels.
• Measuring procedures for motorcycles, cars, watercraft, snowmobiles, and property line sound checks.
• Off-road vehicles as a noise source including acoustical vanishing distance.
• Field sound equipment selection and use, including the sound meter, acoustical field calibrator, and tachometer; spark arrester and muffler inspection.
• And more!
Instructor is Chris Real, CLS, with DPS Technical Inc. (CHEMHELP - DPS)
Reservations: Space is limited, and reservations are required. Contact Heidi Stephens at heidi.stephens@dnr.wa.gov or 360-902-1375.