Contact us for quote and advice on which sound room to purchase.

According to OSHA guidelines, “test environment” (sound room or mobile van) certification requirements are as follows:

 

Test   Environment

Frequency   of Certification

Sound Rooms

Annually

Mobile Van

Whenever Moved

 

  • Maximum Background (Ambient) Noise Levels Allowed

 

Frequency   (Hz)

Maximum   Allowed (dB)

500

40

1,000

40

2,000

47

4,000

57

8,000

62

OSHA Noise Standard: Appendix D: 29 CFR 1910.95, page 9781