Toledo Corporate Office: (419) 472-1106
Port Clinton Office: (419) 734-3674
Toll Free: (877) 411-1139
 

Allowable Exposure Levels to Carbon Monoxide

Toledo Corporate Office: (419) 472-1106
Port Clinton Office: (419) 734-3674
Toll Free: (877) 411-1139
 

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.
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Contact Info
 
Toledo:   1909 Tremainsville
Toledo, OH 43613
Port Clinton:   114 E. Perry Street
Port Clinton, Ohio 43452
Toll Free:   (877) 411-1139
Contact
 
Toledo
 1909 Tremainsville
Toledo, OH 43613
Port Clinton
 114 E. Perry Street
Port Clinton, Ohio 43452
Toll Free  | (877) 411-1139
Payment Options
 
For Furnace in Toledo OH, we accept most major credit cards.
 
We accept check for Boiler repair service provided in Port Clinton OH.
We accept cash for Water Heater repair service provided in Perrysburg OH.
 
Financing Available
 
 
 
Payment
 
For Furnace in Toledo OH, we accept most major credit cards.
We accept check for Boiler repair service provided in Port Clinton OH.
We accept cash for Water Heater repair service provided in Perrysburg OH.
 
Business Hours
 
Monday:  8:00am - 4:00pm
Tuesday:  8:00am - 4:00pm
Wednesday:  8:00am - 4:00pm
Thursday:  8:00am - 4:00pm
Friday:  8:00am - 4:00pm
Saturday:  Closed
Sunday:  Closed
Monday - Friday:  8:00am - 4:00pm
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Fry Heating / Cooling / Plumbing works with York Furnace products in Perrysburg OH.
Looking for an Aprilaire whole home humidifier in Perrysburg OH? - Look no further.
 
For your Furnace repair in Toledo OH, trust a NATE certified contractor.
 
Contact Info
 
Toledo:   1909 Tremainsville
Toledo, OH 43613
Port Clinton:   114 E. Perry Street
Port Clinton, Ohio 43452
Toll Free:   (877) 411-1139
Contact
 
Toledo
 1909 Tremainsville
Toledo, OH 43613
Port Clinton
 114 E. Perry Street
Port Clinton, Ohio 43452
Toll Free  | (877) 411-1139
Payment Options
 
For Furnace in Toledo OH, we accept most major credit cards.
 
We accept check for Boiler repair service provided in Port Clinton OH.
We accept cash for Water Heater repair service provided in Perrysburg OH.
 
Financing Available
 
 
 
Payment
 
For Furnace in Toledo OH, we accept most major credit cards.
We accept check for Boiler repair service provided in Port Clinton OH.
We accept cash for Water Heater repair service provided in Perrysburg OH.
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