Crystalline Silica in Construction

Crystalline Silica in Construction course trains whoever runs the exposure assessment. This 1-hour online course covers Table 1, exposure limits, sampling, notification and records under 29 CFR 1926.1153, the construction standard.

  • Covers the 25 µg/m³ action level that starts an assessment, and the 50 µg/m³ limit at 29 CFR 1926.1153(d)(1).
  • Trains the person holding the pump: who to sample, how to calibrate, and how long a full-shift sample runs.
  • Explains the Table 1 gate: fully implement its controls for a listed task, and no assessment is required.