According to ACR, The NADCA Standard, environmental engineering controls are used to protect the:
The vacuum collection device used to convey air with debris shall maintain a sufficient velocity and negative pressure:
What would be the minimum acceptable respirator type that workers should use while cleaning a duct system?
An inspection report should be discussed with:
After performing an inspection, the inspection report should be delivered to the:
The PRIMARY purpose of using a vacuum collection system during cleaning is to