Information Notice No. 81-39: EPA Crosscheck Program – Low Level Radioiodine in Water Intercomparison

                                                           SSINS No.: 6835 
                                                           Accession No.: 
                                                           8107230044 
                                                           IN 81-39 

                                UNITED STATES
                        NUCLEAR REGULATORY COMMISSION
                    OFFICE OF INSPECTION AND ENFORCEMENT
                           WASHINGTON, D.C. 20555

                              December 23, 1981

Information Notice No. 81-39:   EPA CROSSCHECK PROGRAM - LOW LEVEL 
                                   RADIOIODINE IN WATER INTERCOMPARISON 
STUDY 

Description of Circumstances: 

During the last week of January, the Environmental Protection Agency (EPA), 
in cooperation with NRC, is planning to distribute test samples of low level
radio-iodine in water (<10 pCi/1) through the EPA Environmental 
Radioactivity Laboratory Intercomparison Studies Program (Crosscheck 
Program).  This test will enable the user laboratory to verify its 
capability to quantitatively detect low levels of radioiodine in water by 
radiochemical techniques. Licensee laboratories interested in participating 
in the test can call or write: 

               U.S. Environmental Protection Agency
               Environmental Monitoring Systems Laboratory
               P.O. Box 15027 Las Vegas, NV 89114 
               ATTN: Art Jarvis, Quality Assurance Coordinator
                 or George DeLullo, Intercomparison Coordinator 

               (Telephone) 702-798-2674 
               (FTS) 545-2674 

Participation in this program is voluntary unless required in facility 
technical specifications or license conditions. 

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