Call for reliable AC replacement in Wickenburg AZ.
52420 U. S. Hwy. 60-89 Wickenburg, AZ 85390
ROC 053250

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.
After Hours Service Available
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After Hours Service Available
CALL US TODAY
(928) 684-2333
OR, FILL OUT OUR FORM
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52420 U. S. Hwy. 60-89 Wickenburg, AZ 85390
HOURS - MONDAY to Sunday: 6AM-7PM
For AC repair in Wickenburg AZ, like us on Facebook!
For Air Conditioning repair in Congress AZ, visit us on Google!
To schedule your Air Conditioner installation in Morristown AZ, just email us!
We have financing solutions for you Air Conditioner repair in Morristown AZ through Credit Union West!
51800 U. S. Hwy. 60-89 Wickenburg, AZ 85390
MONDAY - FRIDAY: 6AM-7PM
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