Associate Safety Professional Practice Exam

What is the most common danger from chromium electroplating?

1. Draining chemicals

2. Spillage of liquids

3. Mists of chromic acid

4. Heat stress

The correct answer is: Mists of chromic acid

The most common danger from chromium electroplating is the mists of chromic acid. During the electroplating process, chromic acid is used to deposit a layer of chromium onto a substrate, and this chemical can become aerosolized, creating hazardous mists. These mists can be inhaled, which poses a significant respiratory hazard to workers. Chromic acid is a known carcinogen and can cause serious health effects, including lung cancer and other respiratory diseases. Misting can occur due to various factors, such as improper containment, agitation of the electroplating solution, or overheating. Effective control measures, such as proper ventilation systems and the use of personal protective equipment, are essential to minimize this risk. Other dangers associated with chromium electroplating, such as draining chemicals and spillage of liquids, can occur but are less common compared to the inhalation risk presented by chromic acid mists. Heat stress may also be a concern in some industrial environments, but it is not specifically tied to the chromium electroplating process itself. Therefore, the focus on mists of chromic acid accurately reflects the primary health risk in the context of chromium electroplating.