See what makes Brent's Heating and Cooling your number one choice for Boiler repair in Cloquet MN.
(218) 390-1479
Residential & Commercial Sales, Service & Repair
trust our techs with your next Boiler repair in Cloquet MN
 
Allow our techs to repair your Furnace in Carlton MN
(218) 390-1479
Residential & Commercial Sales, Service & Repair
Trane Furnace service in Moose Lake MN is our speciality.

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:   201 Chestnut Ave.
Carlton, MN 55718
Phone: (218) 390-1479
Hours: Monday - Friday
7:30am - 4:30pm
24 hour emergency service
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Payment Options
 
For Furnace in Carlton MN, we accept most major credit cards.
 
We accept cash for Heating repair service provided in Cloquet MN.
We accept check for Boiler repair service provided in Moose Lake MN.
 
We accept all major credit cards, cash, and checks. We also offer financing options with approved credit.
 
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