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MAY -10-00 01:20 PM <br />State of California <br />ELMS <br />vim. <br />Department of Industrial Relations <br />DIVISION OF OCCUPATIONAL SAFETY AND HEALTH <br />1465 Enea Circle, Building E, Suite 900 <br />Concord, CA 94520-5211 <br />`jum 1 1 19" <br />QB Rebuilders Inc. <br />2325 Charter way <br />Stockton, CA 95206 <br />Attention: All Staff <br />9169379347 <br />P-03 <br />Pete Wilson, Governor <br />A brief summary of industrial hygiene monitoring has been tabulated on your <br />behalf and for meeting the requirements of the California Code of Regulations, <br />Title 8, 3204. <br />Air monitoring was performed for the following contaminimts on 03/13/98. <br />Area/Title SUBSTANCE RESULTS PEL <br />Dip Tank Acetone 63 ppm 750 ppm <br />IPA 5.9 ppm 400 ppm <br />Machine Operator/near <br />Dip Tank <br />Acetone <br />72 ppm <br />750 <br />ppm <br />IPA <br />2.37 ppm <br />400 <br />ppm <br />Assembler/Disc Pads <br />Zinc <br />.027 mg/m3 <br />10 <br />mg/m3 <br />Iron <br />.007 mg/m3 <br />5 mg/m3 <br />Asbestos <br />.003 f/ce <br />.1 <br />f/cc <br />Teardown <br />Asbestos <br />003 f/cc <br />1 <br />f/cc <br />Teardown <br />Asbestos <br />.005 f/cc <br />.1 <br />f/cc <br />Shoe Sizing <br />Asbestos <br />.02 f/cc <br />.1 <br />f/cc <br />Derivetting <br />Asbestos <br />.003 f/ec <br />.1 <br />f/ec <br />Shoe Sizing/Side <br />Asbestos <br />.011 f/cc <br />.1 <br />f/cc <br />Core Washer <br />Asbestos <br />Unable to <br />Analyze <br />Noise monitoring was <br />also performed <br />on 03/13/98, the <br />results are as follows: <br />Deriveter <br />Noise <br />80.5 dba <br />85 <br />dba <br />Assembler <br />Noise <br />84.'7 dba <br />85 <br />dba <br />Piston Clean Up <br />Noise <br />89.7 dba <br />85 <br />dba <br />Riveter <br />Noise <br />86.1 dba <br />85 <br />dba <br />PEL= Permissible Exposure Level as per California Code of Regulations, Title 8 <br />ppm= parts per million <br />mg/m3= milligrams per cubic meter <br />f/cc= fibers per cubic centimeter <br />dba= decibels -a -weighted <br />Unable to Analyze= Filter overloaded, <br />unable to perforu asbestos fiber count <br />The amounts of air contaminants found are within current California Code of <br />Regulations requirements. Noise measurements are indicative of the employer's <br />need to continue an effective Hearing Conservation Prcgram. The employer is also <br />required to perform employee notification of these monitoring results. <br />Should there be any questions or concerns, please contact the Concord Office at <br />925-602-6517. <br />5i cerel <br />aynak <br />dustrial Hygienist <br />Cal/OSHA <br />JC/jc <br />Inspection #125656801, C7474-020-98 <br />