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Lubrizol <br /> Version : <br /> Revision Date : 07/ 18/2023 <br /> meop <br /> 8 . Exposure controls/personal protection <br /> Control Parameters : <br /> Occupational Exposure Limits <br /> Chemical name Type Exposure Limit Values Source <br /> Xylene TWA 100 ppm US . ACGIH Threshold Limit Values , as <br /> amended 02 2012 <br /> Xylene STEL 150 ppm US . ACGIH Threshold Limit Values , as <br /> amended 02 2012 <br /> Xylene TWA 20 ppm US . ACGIH Notice of Intended Changes <br /> (NIC) to Threshold Limit Values , as <br /> amended 01 2021 <br /> Xylene STEL 150 ppm 655 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2016 <br /> Xylene REL 100 ppm 435 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2016 <br /> Xylene PEL 100 ppm 435 mg/m3 US . OSHA Table Z- 1 Limits for Air <br /> Contaminants (29 CFR 1910 . 1000 ), as <br /> amended 02 2006 <br /> ++ Ethyl benzene TWA 20 ppm US . ACGIH Threshold Limit Values , as <br /> amended 02 2012 <br /> ++ Ethyl benzene REL 100 ppm 435 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2010 <br /> ++ Ethyl benzene STEL 125 ppm 545 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2010 <br /> ++ Ethyl benzene PEL 100 ppm 435 mg/m3 US . OSHA Table Z= 1 Limits for Air <br /> Contaminants (29 CFR 1910 . 1000 ) , as <br /> amended 02 2006 <br /> ++ Ethyl benzene STEL 125 ppm 545 mg/m3 US . OSHA Table Z- 1 -A (29 CFR <br /> 1910 . 1000), as amended 1989 <br /> Petroleum naphtha AN ESL 256 pg/m3 US . Texas , Effects Screening Levels <br /> (Texas Commission on Environmental <br /> Quality), as amended 06 2018 <br /> Petroleum naphtha AN ESL 46 ppb US . Texas , Effects Screening Levels <br /> (Texas Commission on Environmental <br /> Quality) , as amended 06 2018 <br /> Petroleum naphtha ST ESL 460 ppb US . Texas . Effects Screening Levels <br /> (Texas Commission on Environmental <br /> Quality) , as amended 06 2018 <br /> Petroleum naphtha ST ESL 21560 US . Texas . Effects Screening Levels <br /> pg/m3 (Texas Commission on Environmental <br /> Quality), as amended 06 2018 <br /> Petroleum naphtha TWA PEL 400 ppm 11600 US , California Code of Regulations , Title <br /> mg/m3 8 , Section 5155 . Airborne Contaminants , <br /> as amended 08 2010 <br /> Petroleum naphtha - Non - TWA 200 mg/m3 US . ACGIH Threshold Limit Values , as <br /> aerosol . - as total amended (01 2021 ) <br /> hydrocarbon vapor <br /> Petroleum naphtha - Non - TWA 200 mg/m3 US . ACGIH Threshold Limit Values , as <br /> aerosol . - as total amended (03 2014) <br /> hydrocarbon vapor <br /> Petroleum naphtha REL 100 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2010 <br /> ++ Naphthalene TWA 10 ppm US . ACGIH Threshold Limit Values , as <br /> amended 02 2012 <br /> ++ Naphthalene STEL 15 ppm 75 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2010 <br /> ++ Naphthalene REL 10 ppm 50 mg/m3 US . NIOSH : Pocket Guide to Chemical <br /> Hazards , as amended 2010 <br /> ++ Naphthalene PEL 10 ppm 50 mg/m3 US . OSHA Table Z- 1 Limits for Air <br /> SDS US - ULTRAZOL® GA9058 6/19 <br />