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Niles (269) 683-8549
Union Pier (269) 469-9101
Roberts' Service Plumbing & Heating Co., Inc. has certified technicians to take care of your Furnace installation near Edwardsburg MI.
Union Pier (269) 469-9101
 

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
 
Address:  1445 S. Third St.
Niles, MI 49120
Niles Phone:  (269) 683-8549
Union Pier Phone:  (269) 469-9101
Hours:  Mon - Fri   8:00am - 5:00pm
 
Payment Options
 
For Furnace in Niles MI, we accept most major credit cards.
 
We accept cash for Heating repair service provided in Berrien Center MI.
We accept check for Furnace repair service provided in Edwardsburg MI.
 
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For Furnace repair in Niles MI, like us on Facebook!
For Furnace repair in Edwardsburg MI, visit us on Google!
To schedule your Furnace installation in Berrien Center MI, just email us!
Connect With Us
 
For Furnace repair in Niles MI, like us on Facebook!
For Furnace repair in Edwardsburg MI, visit us on Google!
To schedule your Furnace installation in Berrien Center MI, just email us!
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