Text For Citation: 01 Item/Group: 037B Hazard: REFINERY

29 CFR 1910.1028(e)(3)(ii): When the monitoring required by paragraph (e)(2)(i) of this section reveals employee overexposure above the permissible exposure level, the employer did not repeat such monitoring for each such employee at least every six (6) months: On or about February 4, 2009, and at times prior thereto, a) In all refinery units: for operating employees engaged in draining, purging and steaming to eliminate hydrocarbons from process vessels, equipment and related piping in preparation for maintenance. b) In all refinery units: for maintenance employees repairing process vessels, equipment and related piping. c) On or about October 2007, multiple employees at the OIF unit and Crude Unit were exposed to over 0.66 ppm as calculated for a 12-hour TWA. Pursuant to 29 CFR 1903.19, within ten (10) days of the date of this citation, the employer must submit documentation showing that it is in compliance with the standard, including describing the steps that it is taking to ensure that periodic monitoring for benzene is conducted as required.