Document rN7zyxvYjpX0dzny9k933q0a

M* Johns-Manville r Interna! Cor respondene8 To: F. 11. llardenstein - 2S1 Date January 23, 1976 From: 0. F. Noel - R&D R. M. Hutchison Copies: F. E. Love R. T. llucks - 2S4 - 2S4 - R&D Subject PVC TEST METHODS R. H. Attached is the proposed revision to J-M Test Method- 455-10 (Quick Burst). An example of the computer tables is included. Please review and comment on. 'll h> Please note that the plant must record both the ba^tch tempera ture and that of the charge water. They will be required to use the lower temperature in determining the required hoop stress. \^> ^^ j, 0. F. NOEL Attachments bn * JftW2 6 1976 J-M MTC 010669 MTC 010670 60 -V