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13.0 JOB TASK HAZARDS <br /> The following hazards may be encountered in this: <br /> 13.1 Slippery Surfaces <br /> All employees must wear American National Standards Institute (ANSI)-approved <br /> work boots with steel toe protection. Skid proof soles are highly recommended. <br /> 13.2 Organic Vapors <br /> The inhalation of volatile organic vapors during all operations can pose a potential <br /> health hazard. Hazard reduction procedures include monitoring the ambient air with <br /> a PID and/or FID and use of Personal Protective Equipment indicated on Table II. <br /> Workers should stand upwind of the source of contamination whenever possible. If <br /> ambient air levels in the breathing zone exceed 100 ppm, full face respirators <br /> equipped with organic vapor cartridges must be worn. <br /> 13.3 Flammable Vapors <br /> Presence of flammable vapors can pose a potential fire hazard and health hazard. <br /> Hazard reduction procedures include monitoring the ambient air with an 02/LEL <br /> meter. If the LEL reading exceeds 20%, leave the site immediately and contact the <br /> Fire Department. <br /> 13.4 Oxygen <br /> Atmospheres that contain a level of oxygen greater than 23% pose an extreme fire <br /> hazard (the usual ambient oxygen level is approximately 20.5%). All personnel <br /> encountering atmospheres that contain a level of Oxygen greater than 23% must <br /> evacuate the site immediately and must notify the Fire Department. <br /> 13.5 Noise <br /> When exposure to sound levels in the field personnel's ear ("A") scale, slow response) <br /> is likely to be in excess of 90 Db for greater than 5 minutes or 85 Db for greater than <br /> 30 minutes, noise protection shall be worn. Thus, a sound level meter shall be present <br /> if these levels are likely to occur. <br /> It is anticipated that work within ten (10) feet of a drill rig will be 85 Db or greater. <br /> Sound level meter (SLB) readings will be performed whenever obvious noise sources <br /> call for measurements. The SLM readings will be used to determine the need for <br /> mandatory hearing protection. Once specific operations/tools are documented as <br /> producing noise levels that require hearing protection, the FSS may enforce the use <br /> of hearing protection whenever the operation takes place. ANSI-approved hearing <br /> protection must be worn during noise operations such as drilling. <br /> CRC Environmental Risk Management,Inc. Project No.2100-217-2 <br /> American Savings Bank 150 West 10th Street <br /> February 15, 1995 24 Tracy,California <br />