Information Notice No. 86-32, Supplement 1: Request for Collection of Licensee Radioactivity Measurements Attributed to the Chernobyl Nuclear Plant Accident

                                                    SSINS No: 6835        
                                                    IN 86-32, Supplement 1 

                                UNITED STATES
                           WASHINGTON, DC 20555

                                June 6, 1986

Information Notice No. NO 86-32, SUPPLEMENT 1:    REQUEST FOR COLLECTION OF 
                                                  LICENSEE RADIOACTIVITY 
                                                  MEASUREMENTS ATTRIBUTED TO
                                                  THE  CHERNOBYL NUCLEAR 
                                                  PLANT  ACCIDENT 


All nuclear power reactor facilities holding an operating license (OL) or a 
construction permit (CP) 


The purpose of this supplement is to provide an update on the response to 
Information Notice 86-32 and to inform the licensees that the reporting of 
environmental monitoring data attributable to Chernobyl (within 24 hours) is
no longer needed 


Information Notice (IN) 86-32 issued May 2, 1986 requested that reactor 
licensees report within 24 hours any environmental data collected at their 
facility attributable to the Chernobyl reactor incident To date over 46 
licensees have responded by reporting evaluated levels of fission products 
around their facility All licensees responding to IN 86-32 reported I-131 
in rain water and air samples Measurable levels of Cs-134, Cs-137, Ru-103, 
Ba-140, La-140, and Te-132 also were frequently reported in air samples 
Many of the I-131 concentrations reported in air, milk, and food product 
(leafy vegetables) samples, although low, were above the special reporting 
levels listed in Table 312-2 of the standard Radiological Effluent 
Technical Specifications (RETS) 

Responses to IN 86-32 were entirely on a voluntary basis The NRC 
appreciates the cooperation received on this effort The licensees' data 
were provided to the Federal Interagency Task Force established to deal with 
the Chernobyl accident The Environmental Protection Agency has indicated 
that "the environmental radiation data supplied by NRC licensees were 
instrumental in understanding particular aspects of the US radiological 
situation and in answering concerns of US citizens relative to gaseous 
radioiodine in the air" 


                                                    IN 86-32, Supplement 1 
                                                    June 6, 1986           
                                                    Page 2 of 2            

The 24-hour reporting of environmental data requested in IN 86-32 is no 
longer necessary Further environmental monitoring results obtained by the 
licensees should be reported in accordance with the applicable technical 
specification Note that the 30-day special reporting levels in the standard
RETS (referred to above) apply to activity concentrations that result from 
plant operations Therefore, licensees with standard RETS should report 
results attributable to Chernobyl in their Annual Radiological Environmental
Operating Report 

If you have any questions regarding this matter, please contact the Regional 
Administrator of the appropriate NRC regional office or this office 

                                   Edward L Jordan, Director 
                                   Division of Emergency Preparedness 
                                     and Engineering Response 
                                   Office of Inspection and Enforcement 

Technical Contacts: Roger L Pedersen, IE 
                    (301) 492-9425 

                    James E Wigginton, IE 
                    (301) 492-4967 

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