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The Airmaster Furnace repair service fleet who service Germantown TN.
AirMasters Inc, doing a repair on a blower in the Collierville TN area.
(901) 373-3636
7757 Hwy 70 Suite #101 Memphis, TN 38133

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.
24 Hour Emergency Service • Call Us Today • (901) 373-3636 • or • Fill Out Our Online Form
Location
We service most Furnace brands and models near Memphis TN.
AirMasters, Inc.
7757 Hwy 70 Suite #101
Memphis, TN 38133
Contact Us
Schedule your Furnace replacement in Collierville TN.
Company Phone:
Phone: (901) 373-3636
We offer 24/7 emergency Furnace repair service in Memphis TN.
Office Hours:
Monday- Friday 7:00am-5:00pm
Read what your neighbors say about the AC repair or installation we performed near Memphis TN on our Angie's List page.
For the best AC replacement in Germantown TN, choose a BBB rated company.
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AirMasters 7757 Highway 70 Suite 101 Memphis TN 38133 901-373-3636