What is the minimum number of plastic layers and gauge required for wrapping fixed objects?

The minimum standard for wrapping fixed objects to ensure proper containment, especially in situations involving asbestos or other hazardous materials, is typically one layer of 6-mil plastic. This thickness provides a sufficient barrier to prevent the escape of airborne particles while also being durable enough to withstand handling and environmental exposure.

Using a 6-mil plastic also aligns with safety regulations and best practices set forth by relevant authorities in the field. The choice of gauge is crucial, as thicker plastic materials are generally more effective at preventing breaches or tears that could compromise containment.

As for other options, they either specify a thickness that does not meet the established standards for containment or present a combination of layers that may be overly rigorous or impractical for fixed objects. Thus, one layer of 6-mil is both an industry-recognized standard and a practical solution for ensuring safety when wrapping fixed objects.