Green Bay & Brown County: (920) 468-6951  |   Oshkosh & Winnebago County: (920) 235-6951  |   Fond du Lac & Fond du Lac County: (920) 923-2500

Allowable Exposure Levels to Carbon Monoxide

Green Bay & Brown County: (920) 468-6951
Oshkosh & Winnebago County: (920) 235-6951
Fond du Lac & Fond du Lac County: (920) 923-2500

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 Information
 
Green Bay Location
Address:  1736 Sal St.
Green Bay, WI 54302
Phone:     (920) 468-6951
 
Oshkosh Location
Address:  3250A Walter St.
Oshkosh, WI 54901
Phone:     (920) 235-6951
 
Fond du Lac Location
Address:  160 South Brooke St.
Fond du Lac, WI 54935
Phone:     (920) 923-2500
Schedule Service
 
Office Hours
 
Green Bay:       MON - FRI   |   7:00am - 6:00pm
Saturday by Appointment
Oshkosh:          MON - FRI   |   8:00am - 4:30pm
Fond Du Lac:    MON - FRI   |   8:00am - 4:30pm
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For AC in Green Bay WI, we accept most major credit cards.
 
We accept cash for Cooling repair service provided in Oshkosh WI.&width=100
We accept check for Air Conditioner repair service provided in Fond du Lac WI.&width=100
 
For AC in Green Bay WI, we accept most major credit cards.
We accept cash for Cooling repair service provided in Oshkosh WI.
We accept check for Air Conditioner repair service provided in Fond du Lac WI.
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