Change Notice No. 1
The following lessons learned are extracted from DOE Operating Experience (OE) Weekly Summary and
Occurrence Reporting and Processing System (ORPS) reports and are included in this Appendix as
potential learning and training tools for the reader.
Safe storage of chemicals.
Students discovered a cylinder containing hydrogen fluoride (HF) that had ruptured inside a storage
room next to a laboratory. Following the cylinder failure, investigators learned of a letter DuPont
Fluoroproducts sent to its customers two and a half years earlier about the potential over-pressure
hazard associated with the long-term storage of Anhydrous HF in carbon steel cylinders. The
cylinder was a lecture bottle that had been stored at the university for 22 years. (OE Weekly