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TWA 400 ppm USA. NIOSH Recommended <br /> 980 m9/m3 Exposure Limits <br /> ST 500 ppm USA. NIOSH Recommended <br /> 1,225 m /m3 Ex osure Limits <br /> TWA 400 ppm USA. Occupational Exposure <br /> 980 mg/m3 Limits (OSHA) - Table Z-1 <br /> Limits for Air Contaminants <br /> The value in mg/m3 is app roximate. <br /> PEL 400 ppm California permissible exposure <br /> 980 mg/m3 limits for chemical <br /> contaminants (Title 8, Article <br /> 107 <br /> STEL 500 ppm California permissible exposure <br /> 1,225 mg/m3 limits for chemical <br /> contaminants (Title 8, Article <br /> 107 <br /> Biological occu ational exposure limits <br /> ComponentNp Parameters. .Value Biological Basis <br /> specimen <br /> 2-Propanol 67-63-0 Acetone 40 mg/I Urine ACGIH - <br /> Biological <br /> Exposure Indices <br /> BEI <br /> Remarks End of shift at end of workweek <br /> 8.2 Exposure controls <br /> Appropriate engineering controls <br /> Handle in accordance with good industrial hygiene and safety practice. Wash hands <br /> before breaks and at the end of workday. <br /> Personal protective equipment <br /> Eye/face protection <br /> Face shield and safety glasses Use equipment for eye protection tested and <br /> approved under appropriate government standards such as NIOSH (US) or EN <br /> 166(EU). <br /> Skin protection <br /> Handle with gloves. Gloves must be inspected prior to use. Use proper glove <br /> removal technique (without touching glove's outer surface) to avoid skin contact <br /> with this product. Dispose of contaminated gloves after use in accordance with <br /> applicable laws and good laboratory practices. Wash and dry hands. <br /> Splash contact <br /> Material: Nitrile rubber <br /> Minimum layer thickness: 0.11 mm <br /> Break through time: 33 min <br /> Material tested:Dermatril@ (KCL 740 / Aldrich Z677272, Size M) <br /> data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail <br /> sales@kcl.de, test method: EN374 <br /> If used in solution, or mixed with other substances, and under conditions which <br /> differ from EN 374, contact the supplier of the CE approved gloves. This <br /> recommendation is advisory only and must be evaluated by an industrial hygienist <br /> and safety officer familiar with the specific situation of anticipated use by our <br /> SIGALD -563935 Page 5 of 10 <br /> The life science business of Merck KGaA, Darmstadt, Germany P0Polk.M%- <br /> operates as MilliporeSigrna in the US and Canada Silts a <br />