Revisions to the ninth edition of UL 142 are being published to address numerous issues that were discussed at past STP 142 meetings. These revisions include:
1. Revision to the scope for clarification
2. Revisions to glossary terms
3. Revisions to requirements regarding capacity and dimensions
4. Revisions to requirements regarding bracings
5. Revisions to requirements regarding tank bottoms and supports
6. Revisions to requirements regarding manways
7. Revision to requirement regarding normal and emergency venting
8. Addition of a weld joint design for Figure 6.3
9. Addition of a lift lug test
10. Deletion of the Canadian Requirements Comparison Guide (CRG)