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Grand Rapids, Michigan
 

Allowable Exposure Levels to Carbon Monoxide

Allowable Exposure Levels to Carbon Monoxide

 

Allowable (Legal) Limits for Carbon Monoxide

Occupational Safety & Health Administration, USA (OSHA) (for industrial situations) -

Permissible Exposure Limit (PEL, by TWA) - 50 ppm, 8 hrs.
Old PEL Standard (by TWA) - 35 ppm, 8 hrs.
Threshold Limit Value (TLV, by TWA) - 25 ppm (29 mg/cu. m)
(recommended by American Conference of Governmental & Industrial Hygienists ACGIH)
Ceiling (max. value, 15 min.) - 200 ppm (229 mg/cu. m)

MI Occupational Safety & Health Administration (MIOSHA) -

PEL (Industry, by TWA) - 35 ppm, 8 hrs. (38.5 mg/cu. m)
PEL (Construction, by TWA) - 50 ppm, 8 hrs. (55 mg/cu. m)
Ceiling (max. value) - 200 ppm (229 mg/cu. m)

Environmental Protection Agency, USA (EPA) -

Domestic, outdoor air, all ages (TWA) - 9 ppm*, 8 hrs.
Domestic, outdoor air, all ages (TWA) - 35 ppm, 1 hr.

World Health Organization (WHO) -

Domestic, outdoor air, all ages (TWA) - 9 ppm*, 8 hrs.

American Society of Heating, Refrigeration & Air Conditioning Engineers (ASHRAE) -

Indoor air (leakage at a heat register) - 9 ppm

American Gas Association -

Indoor air (leakage at a heat register) - 15 pm


TWA - Computed by making measurements at intervals over 8 hours, then adding the sums of the concentrations and the intervals, and dividing by 8 hours (480 min.). * Based on several published studies of people with coronary ischemic disease showing ECG changes during moderate exercise when breathing concentrations of CO giving 3% COHb.
 
We service most Furnace brands and models near Grand Rapids MI.
Expert Service Since 1905
We service most Furnace brands and models near Rockford  MI.
Expert Service Since 1905
Contact Information
 
Schaafsma Heating and Cooling
    25 North Park St. Northwest
Grand Rapids, MI 49544
   (616) 458-7304
Hours of Operation
 
   Monday | 8:00am - 7:00pm
  Tuesday | 8:00am - 7:00pm
  Wednesday | 8:00am - 7:00pm
  Thursday | 8:00am - 7:00pm
  Friday | 8:00am - 7:00pm
  Saturday | 8:00am - 12:00pm
  Sunday | Closed
 
Payment Options
 
 
 
 
For Furnace in Rockford  MI, we accept most major credit cards.
Sign up for our Furnace maintenace plan in Grand Rapids MI to ensure your home stays comfortable.
 
Save money on your next Furnace installation in Rockford  MI.
See if installing a new energy star rated Furnace in Grand Rapids MI would qualify you for a rebate!
We accept all major credit cards, cash, and checks
Try the Michigan Saves Program. 10 year financing with APR as low as 5.50%
Your Furnace replacement installation in Grand Rapids MI becomes affordable with our financing program.
 
Contact Information
 
Schaafsma Heating and Cooling
    25 North Park St. Northwest
Grand Rapids, MI 49544
   (616) 458-7304
 
Payment Options
 
 
 
 
For Furnace in Rockford  MI, we accept most major credit cards.
Sign up for our Furnace maintenace plan in Grand Rapids MI to ensure your home stays comfortable.
 
Save money on your next Furnace installation in Rockford  MI.
See if installing a new energy star rated Furnace in Grand Rapids MI would qualify you for a rebate!
We accept all major credit cards, cash, and checks
Try the Michigan Saves Program. 10 year financing with APR as low as 5.50%
Your Furnace replacement installation in Grand Rapids MI becomes affordable with our financing program.
 
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Schaafsma Heating & Cooling Company, Heating and Air Conditioning, Grand Rapids, MI
Home   |   Email Us   |   Schedule Service
Get a Quote   |   Guarantees
Employment   |   Reviews
Schaafsma Heating & Cooling Company, Heating and Air Conditioning, Grand Rapids, MI
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