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Issue date | Title | Topic | |
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ML19343D259 | 26 March 1981 | Responds to NRC 810320 Ltr Re Investigation of Voids, Separations or Honeycombs in Concrete.Qualification Record Must Be Performed to Evaluate If 95% Reliability w/95% Confidence Exists | |
ML19343D384 | 4 March 1981 | Forwards SM Alexander Critique of Section Iii,Re Statistical Basis for Testing Program,Of SL-3753,Revision 1.Evaluation of Test Error Should Be Made.Concrete Specimens Should Be Tested to Evaluate Analyst Ability to Discern Flaws |