Furnace Repair Service Perrysburg OH | Rick's Affordable Heating & Cooling
Call Today 419-874-9999

Rick's Affordable Heating & Cooling is your choice for all heating and cooling repairs in Perrysburg & Northwest Ohio.

Furnace Repair Service Perrysburg OH | Rick's Affordable Heating & Cooling

Rick's Affordable Heating & Cooling is your choice for all heating and cooling repairs in Perrysburg & Northwest Ohio.

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.
Rick's Affordable Heating & Cooling works with Coleman Furnace products in Oregon OH.
Home   |   Email Us   |   Schedule Service   |   Get a Quote   |   Maintenance   |   Employment
Home   |   Email Us   |   Schedule Service
Get a Quote   |   Maintenance   |   Employment
Rick's Affordable Heating & Cooling
25571 Fort Meigs Road Suite F Perrysburg, OH • 419-874-9999
For Furnace in Perrysburg OH, we accept most major credit cards. For Boiler in Oregon OH, we accept most major credit cards. For Furnace in Northwood OH, we accept most major credit cards.
Rick's Affordable Heating & Cooling works with Coleman Furnace products in Oregon OH.
Home   |   Email Us   |   Schedule Service   |   Get a Quote   |   Maintenance   |   Employment
Home   |   Email Us   |   Schedule Service
Get a Quote   |   Maintenance   |   Employment
Rick's Affordable Heating & Cooling
25571 Fort Meigs Road Suite F Perrysburg, OH
419-874-9999
For Furnace in Perrysburg OH, we accept most major credit cards. For Boiler in Oregon OH, we accept most major credit cards. For Furnace in Northwood OH, we accept most major credit cards.