Reference

The general industry silica standard has the same exposure limit as the construction rule and none of its shortcuts. There is no Table 1 to follow, so exposure assessment is not optional. This guide covers which rule governs your work, the two limits, the written exposure control plan and the medical surveillance clock.

Every control in the OSHA construction asbestos standard scales off which of four work classes the job falls into, and misclassifying it is the most expensive mistake available. This guide sets out what separates Class I from Class II, III and IV, what each class triggers, and the two exposure limits that apply throughout.