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ASTM D4256

1989 Edition, February 24, 1989

Complete Document

Standard Test Method for Determination of the Decontaminability of Coatings Used in Light-Water Nuclear Power Plants

Includes all amendments and changes through Editorial Change 1, October 1994

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Product Details:

  • Revision: 1989 Edition, February 24, 1989
  • Published Date: October 1994
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

1. Scope

1.1 This test method establishes procedures for determining and ranking the ease of decontaminability of coatings for use in nuclear power plants.

1.2 This standard defines two different test procedures involving differing contaminant contact times and decontaminating media. Procedure A involves a relatively brief radionuclide solution contact time and decontamination using both demineralized water and acid solutions. Procedure B utilizes a seven-day contamination solution contact time and decontamination with ambient temperature water only. Procedure B is more in line with power plant decontamination practices.

1.3 Users of this standard should specify either Procedure A or Procedure B, or both, based upon specific power plant conditions and use requirements.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.