Ensure control of reference standards and reagents. Use reference standards and reagents by FIFO. Check reagents as per approved procedures to ensure those are suitable for use.

• 负责管理化学标准物质和化学试剂。按照先进先出的原则使用标准物质和化学试剂,按规定检查化学试剂以确定试剂的适用性。