When must asbestos containing bulk samples be point counted in Colorado?

The requirement for point counting asbestos-containing bulk samples in Colorado is specifically tied to the concentration of asbestos present in the material. When asbestos is friable and contains less than 1% asbestos but greater than 0%, it is essential to conduct point counting. This process is critical because the regulatory framework typically acknowledges that even low levels of asbestos can pose a health risk, particularly when associated with materials that can be easily disturbed.

Point counting allows for a more accurate assessment of the percentage of asbestos, particularly when dealing with bulk samples that may fall between thresholds. While materials with lower asbestos content may not be regulated as strictly, identifying even minimal amounts is vital for proper handling and safety measures.

In scenarios where asbestos is visible or where concentrations are less than 3%, other regulatory guidelines may apply, but the specific point-counting requirement is keyed to the threshold specified in choice C. This approach ensures that potential risks are appropriately evaluated, allowing for more robust management and mitigation strategies.