Individuals should be completely familiar with equipment use, replacement, care, cleaning and storage. Individuals should test equipment before every use. Follow the manufacturer's instructions for properly testing equipment. Negative Fit Check. Make sure the equipment properly fits you .
Leakage defeats the effectiveness of even the best respirator for the situation.
Testing the equipment will assure a proper fit. Individuals should regularly clean and repair equipment. Individuals should regularly change filter cartridges and prefilters. If you are using filter cartridges and you notice a change in smell or taste or you begin coughing, then the hazardous material may be getting through the filter and it should be changed. You should consider setting a regular changing schedule if the contaminant cannot be noticed by the five senses.