* Regularly working at tasks (regardless of the level of airborne concentration) such as:

o Machining, milling, polishing, grinding, drilling, or welding beryllium.

o Repairing or servicing equipment that has removable beryllium contamination exceeding release levels.

o Maintenance of systems used to contain and control beryllium.

o Working in an area where dispersible beryllium exceeding release levels is present.

o Working with or handling contaminated items.

o Other operations that disturb or abrade beryllium in a way that results in contamination exceeding release levels.

3.5.2 Visitors and Other Ancillary Personnel

The Responsible Individual shall review and approve visitors and other ancillary personnel in beryllium work areas and shall inform such personnel of the hazards and controls of the area. Visitors to beryllium work areas should be discouraged unless essential to the mission in question.

3.5.3 Hazard Assessments

All beryllium operations, unless exempt from this document, shall be reviewed with an Integration Work Sheet (IWS) as described in Document 2.2. Work with beryllium shall not be considered as work commonly performed by the public. Such review shall take into consideration the following:

* The amount and nature of work to be performed, including preparation, maintenance, and cleanup.

* The amount of beryllium and chemical form to be used.

* The potential for aerosol production, including emergency response for spills and unplanned events.

* Historical air, swipe, or other data for similar operations.