Section 850.21 - Hazard assessment(a) If the baseline inventory establishes the presence of beryllium, the responsible employer must conduct a beryllium hazard assessment that includes an analysis of existing conditions, exposure data, medical surveillance trends, and the exposure potential of planned activities. The exposure determinants, characteristics and exposure potential of activities must be prioritized so that the activities with the greatest risks of exposure are evaluated first.(b) The responsible employer must ensure that:(1) The hazard assessment is managed by a qualified individual (e.g., a certified industrial hygienist); and(2) The individuals assigned to this task have sufficient knowledge and experience to perform such activities properly.