Radiation-Emitting Products

Repeat Analysis and Fixer Retention - Quarterly Equipment Quality Control Tests

Policy Guidance Help System logo


900.12(e)(3)(i),(ii): Quarterly quality control tests. Facilities with screen-film systems shall perform the following quality control tests at least quarterly:

(i) Fixer retention in film. The residual fixer shall be no more than 5 micrograms per square cm.

(ii) Repeat analysis. If the total repeat or reject rate changes from the previously determined rate by more than 2.0 percent of the total films included in the analysis, the reason(s) for the change shall be determined. Any corrective actions shall be recorded and the results of these corrective actions shall be assessed.

  1. How many films (and what type) must be included in the repeat analysis test each quarter?
  2. How long must we maintain the actual films from the repeat analysis?


Page Last Updated: 08/11/2014
Note: If you need help accessing information in different file formats, see Instructions for Downloading Viewers and Players.
Language Assistance Available: Español | 繁體中文 | Tiếng Việt | 한국어 | Tagalog | Русский | العربية | Kreyòl Ayisyen | Français | Polski | Português | Italiano | Deutsch | 日本語 | فارسی | English