What is Grade D compressed air?
Grade D compressed air meets OSHA’s strict standard for breathable compressed air. This class of air is required in many types of industrial facilities and applications that involve breathing masks, mouthpieces, and other apparatuses for the direct inhalation of air.
What grade of breathing air is required for air supplied respirators?
Grade D
According to OSHA Standard 29 CFR 1910.134, employers are required to provide employees who use respirators with breathing air that meets the requirements for Grade D breathing air. For respirator users, breathing air is primarily supplied by two different sources: oil-lubricated air compressors and ambient air pumps.
What CGA grade of breathable air is used in SCBA’s and airline respirators?
(Sec. 7-1.1) Air for SCBA taken from production of compressor and storage system shall meet the testing and quality requirements of CGA G–7.1 with a minimum quality of Grade D and a maximum dewpoint level of -50°F (63 ppm) or 10°F lower than the coldest temperature expected in the area( refers to 1989 version) (Sec.
Do you need to be trained to use a respirator?
The Occupational Safety and Health Administration (OSHA) requires employers to train and fit-test employees who use respiratory protection on the job.
What is OSHA Grade D breathable air?
OSHA defines Grade D air as suitable for breathing with the following characteristics: Oxygen content of 19.5-23.5 percent. Hydrocarbon (condensed) content of 5 milligrams per cubic meter of air or less. Carbon monoxide content of 10 parts per million (ppm) or less. Carbon dioxide content of 1,000 ppm or less.
How many CFM does a human breathe?
The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. That totals about 11,000 liters of air per day. Inhaled air is about 20-percent oxygen.
Which standard is applied for breathing air?
OSHA Standard 29 CFR 1019.134 Grade D Compressed Breathing Air Requirements. Compressed air, commonly called Industry’s fourth utility, is the most common utility used in a typical industrial facility.
What is true about Grade D air?
OSHA defines Grade D air as suitable for breathing with the following characteristics: Hydrocarbon (condensed) content of 5 milligrams per cubic meter of air or less. Carbon monoxide content of 10 parts per million (ppm) or less. Carbon dioxide content of 1,000 ppm or less.
Who should not wear a respirator?
The employer shall not permit respirators with tight-fitting facepieces to be worn by employees who have: (A) Facial hair that comes between the sealing surface of the facepiece and the face or that interferes with valve function…” This includes not only beards and giant 70’s-style side burns, but stubble that’s long …
How often do respirators need to be inspected?
Inspect the equipment designated for “emergency use” at least monthly and after each use. Follow the manufacturer’s instructions and CSA Standard Z94. 4-11 (R2016) for care and maintenance.
What are the standards for compressed breathing air?
For compressed breathing air, the applicable standards are Grade D and Grade E. Table 1 below outlines some of the standards’ requirements and specifications. At Compressed Air Systems, we offer air filters and air filtration accessories to help your air compressor systems meet or exceed Grade D and E breathing air standards, as needed.
Which is OSHA grade D breathing air system?
These breathing air systems are designed to meet Occupational Safety and Health Administration (OSHA) Standard 29 CFR 1910.134 (i) (1) which states: “Compressed breathing air shall meet at least the requirements for Grade D breathing air described in ANSI/Compressed Gas Association Commodity Specification for Air, G-7.1-1989, to include:
What makes a Grade D compressed air system Grade D?
Grade D Compressed Air Filtration System A compressed air filtration system that removes oil, water, solid particles and odors from supplied breathing air is an important component in supplying Grade D breathing air and ensuring the safety of personnel using compressed air.
What are the grades of breathing air filters?
Grade D and E Breathing Air Filters Grade D Grade E Detectable Odor None None CO Content ≤10 ppm ≤10 ppm CO 2 Content ≤1000 ppm ≤1000 ppm Oxygen Content 19.5–23.5% 20–22%