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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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Payment Options
 
For Furnace in Middletown NY, we accept most major credit cards.
 
We accept cash for Heating repair service provided in Goshen NY.
We accept check for Furnace repair service provided in Newburgh NY.
 
For Furnace in Middletown NY, we accept most major credit cards.
We accept cash for Heating repair service provided in Goshen NY.
We accept check for Furnace repair service provided in Newburgh NY.
Astar Heating & Air, LLC accepts all major credit cards, cash, and local, personal checks. We also offer a variety of financing options. Contact us for more information
 
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Contact Information
 
Astar Heating & Air, LLC
Address:  36 Wes Warren Dr.
 Middletown, NY 10941
Phone:     (845) 692-4858
Fax:         (845) 692-4865
Astar Heating & Air, LLC
Address:  36 Wes Warren Dr.
Middletown, NY 10941
Phone:     (845) 692-4858
Fax:          (845) 692-4865
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