Wood preservation facilities, alkaline copper quaternary: chapter G, table 8

Table 8. Additional Safety Precautions for Personnel Working with ACQ

Activity	Recommendations
Objective: To ensure safe workplace practices for each activity during the treatment process
Facilities mixing their own solution: Unloading drums	Provide NIOSH-approved respirators with combination of acid gas/ammonia high-efficiency filter cartridges with a P100 prefilter (or breathing apparatus if working in an enclosed environment) for spill response. Provide adequate equipment for safe, controlled drum and bag handling. Do not drop drums or bags.
Facilities mixing their own solution: Preparing ACQ work solutions	Wear NIOSH-approved respirators equipped with high-efficiency filter cartridges in combination for acid gas and ammonia with a P100 prefilter if air monitoring indicates potential exposure to fumes. e.g., TC23-C, TC14-G.
Cleaning cylinders or storage tanks	Personal protective equipment: Wear NIOSH-approved respirators with combination of acid gas/ammonia high-efficiency filter cartridges with a P100 prefilter (or breathing apparatus if working in an enclosed environment).