* Building number

* Room number

* Sub-location (e.g., cabinet or other storage location)

* Quantity (i.e., weight of beryllium, beryllium alloy, or beryllium compound)

* Units

* Custodian's ID (i.e., employee number)

* Custodian's first and last name

* Custodian's telephone extension

* Container (if appropriate)

* Date

An inventory shall be sufficiently detailed to ensure the safety basis envelope of each facility where beryllium is used is not exceeded.

3.5.5 Exposure Monitoring

Initial Monitoring

In areas that may have airborne beryllium, initial personal breathing zone sampling shall be conducted to determine workers' 8-hour, time-weighted average exposure. Sufficient numbers of samples shall be taken to adequately characterize exposures. Work supervisors, workers, and the ES

Periodic Monitoring