CoatingsPro Magazine

MAR 2015

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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36 MARCH 2015 COATINGSPROMAG.COM Note that the calculated Maximum Use Concentration cannot go over a published IDLH concentration for an airborne contaminant. An example of where these published IDLH exposure limits can be found is the NIOSH Pocket Guide to Chemical Hazards (www.cdc.gov/niosh/npg). If the concentration of an airborne contami- nant will exceed IDLH levels, then the respirators discussed earlier for IDLH work areas must be used. Respiratory protection must also be appropriate for the physical state of the airborne contaminants. If air purifying respirators are to be used, diferent flter cartridges are needed for dusts/mists versus vapors. Other considerations for selection include the presence of eye irritants, which may require full-face respiratory protection, and user limitations (e.g., the ability to be clean shaven, any medical restric- tions, etc.). Finally, selection and use of respiratory protection must be in the context of a written program. Tis program must comply with paragraph (c) of the Respiratory Protection Standard. Ask an Expert T he most important question you should ask yourself when selecting respirator y protection is whether it should be used at all. Paragraph (a) of the Respirator y Protection Standard requires that atmospheric hazards be eliminated from the work area by "… accepted engineering control measures (for example, enclosure or confine- ment of the operation, general, and local ventilation, and substitution of less toxic materials)." Only when engineering controls cannot feasibly reduce exposures below the OSH A PEL can respirator y protection be used. Even when engineering controls cannot reduce exposures to below the PEL , they must be used to reduce the level of airborne contaminants as much as possible. It is up to the employer to follow the OSHA regulations and get help when needed to ensure that the right choice is made. Safety Watch S can this QR co d e wi th yo u r smartp h o n e to l earn more. WWW.DURABILITYANDDESIGN.COM A Technology Publishing Co. Product Durability + Design magazine is available online 24/7, providing news and state-of-the-art technical information on architectural co atings, b uilding perfo rmance and aesthetics. Read it on yo u r l ap to p o r tablet, wi th or without an Intern et co n n ecti o n. S u bscribe now, f ree! durabilityanddesign.com/subscribe DURABILITY + DESIGN GOES WHERE YOU GO Wr i te in Re ad e r In q u ir y #34 4

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