decibal volume standards
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Hello Susan House,
I appreciate your wish to remain professional regarding noise levels.
Here are two links with safety regulations for you to read:
http://www.ideafit.com/fitness-library/idea-opinion-statement-recommenda…
https://www.osha.gov/Publications/laboratory/OSHAfactsheet-laboratory-sa…
Thank you,
Natalie aka NAPS 2 B Fit.