... validation must be documented for-mally for project records. The principal mechanisms utilized to establish this doc- © 20 01 by CRC Press LLC290 SAMPLING AND SURVEYING RADIOLOGICAL ENVIRONMENTS umentation ... Organic DataReview, EPA-540/R-94/ 012 , February, 19 94.EPA (Environmental Protection Agency), National Functional Guidelines for Inorganic DataReview, EPA-540/R-94/ 013 , February, 19 94.EPA (Environmental ... February 19 94) and the National Functional Guidelines for InorganicData Review (EPA-540/R-94/ 013 , February 19 94). Interpretation of this guidance and its application to individual programs and projects...