INDUSTRIAL:
High noise levels can be cause for occupational hearing loss if a person is exposed for long periods of time. On the other hand, even lower levels can be annoying and can cause work interference.  
  Hearing Conservation
 
•
 Sound level surveys
 
•
 Noise exposure surveys and assessments
 
•
 In plant noise control
 
•
 Hearing conservation programs: development and implementation
 
•
 WSIB review and assessment
 
•
 HVAC noise control Annoyance and Work Interference
 
•
 Office noise assessment and control
 
•
 Lunch and control rooms design with respect to noise control

ENVIRONMENTAL:
The Ontario Ministry of Environment has instituted requirements for new establishments as well as for modifications of existing one.
  For the MOE
 
•
 Documentation for Certificate of Approval (Air)
 
•
 Acoustic Audit Noise Impact Assessment