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Responds to 840404 request for addl info re request for exemption from 10CFR50,App R requirements re fire hatches. Drawings,sketches & description of addl insulation encl. Results of calculations & addl info will be sent by 840627.

Accession Number: ML17321A099

Date Released: Thursday, May 31, 2018

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• ML17334A528 - Responds to 840404 request for addl info re request for exemption from 10CFR50,App R requirements re fire hatches. Drawings,sketches & description of addl insulation encl. Results of calculations & addl info will be sent by 840627. (29 page(s), 6/15/1984)
• ML17321A098 - Technical Note 80581, "Thermo-Lag 330 Conformable Stress Skin 3 H Fire Wall Sys Application Procedures." (53 page(s), 2/28/1982)
• ML17321A100 - "Dry Film Coating Thicknesses of Thermo-Lag 330-1 Subliming Matl Applied to Steel Hatch Covers for 3 H Fire Rating." (47 page(s), 2/15/1984)