Text For Citation: 01 Item/Group: 004B Hazard: CHEMNEP

29 CFR 1910.111(f)(9): At least two chock blocks were not provided and placed to prevent rolling of the vehicle whenever it is parked during the loading and unloading operations: The employer does not ensure that chock blocks are placed to prevent rolling of the vehicle whenever it is parked during loading and unloading operations of anhydrous ammonia liquid. This exposed employees to possible fire, burn, and inhalation hazards in the event of an accident. This violation was observed on or about October 28, 2010. Pursuant to C.F.R. 1903.19, within ten (10) calendar days of the date of this citation, the employer must submit documentation showing that it is in compliance with the standard, including evidence to show that the at least two chocks are utilized during loading or unloading of anhydrous ammonia from a vehicle. A method of abatement is to use two chock blocks to prevent rolling during the loading and unloading of anhydrous ammonia as described in 29 CFR 1910.111(f)(9).