What is a health precaution for workers applying inorganic arsenicals?

Wearing approved respirators is a critical health precaution for workers applying inorganic arsenicals because these compounds can be highly toxic and pose significant health risks when inhaled. Inorganic arsenicals can release harmful dust or fumes, especially during the application process. By using approved respirators, workers can effectively filter out hazardous particles, reducing their exposure to these toxic substances and minimizing the risk of respiratory issues or systemic toxicity that may arise from inhaling arsenic.

While ensuring proper ventilation is also vital, relying solely on ventilation may not sufficiently protect workers, especially in situations where arsenic levels are elevated. It's important to have a multi-faceted approach to safety, combining the use of personal protective equipment such as respirators with proper environmental controls. Leaving surface deposits on treated wood is not advisable as it can contribute to exposure risks for both workers and the public. Proper protective gear is essential in all scenarios when handling hazardous materials, which reinforces the importance of wearing respirators in this context.