View source for PNO-I-97-073A, on 971210,update of Offsite Surveys for Contaminated Blocks Made.Total of 114 Blocks Out of 3032 Indicated Radioactive Contamination at Greater than Two Times Background Levels.Licensee Plans to Return to Sites

{{Adams
| number = ML20203A647
| issue date = 12/11/1997
| title = PNO-I-97-073A:on 971210,update of Offsite Surveys for Contaminated Blocks Made.Total of 114 Blocks Out of 3032 Indicated Radioactive Contamination at Greater than Two Times Background Levels.Licensee Plans to Return to Sites
| author name = Miller M, Nick J
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION I)
| addressee name = 
| addressee affiliation = 
| docket = 05000213
| license number = 
| contact person = 
| document report number = PNO-I-97-073A, PNO-I-97-73A, NUDOCS 9712120160
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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1        o December 11, 1997 PEELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PNO-I-97-073A Thie preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as ir!tially received without verification or evaluation, and is basically all that is known by Region I staff in King of Prussia, Pennsylvania on this date.
EO!11111Y.                                                                      kiA9 DEA 9_EM9JEggacy C1 ass,1ficatiqn Connecticut Yankee Atomic Power Co,                                                   Notification of Unusual Event Haddam Neck 1                                                                         Alert Hartford, Connecticut                                                                 Site Area Emergency Dockets: 50-213                                                                       General Emergency X Not Applicable

==Subject:==
UPDATF OF OFFSITE SURVEYS FOR CONTAMINATED BLOCKS As reported in an earlier notification (DCS No. 05000213971201), the licensee had identified concrete blocks with potential radioactive contamination that were ';aken f rom the site in 1977.
As of December 10, 1997, 16 of 45 potential locations had been curveyed for radioactive contamination by the licensee. A total of 114 blocks out of 3032 indicated radioactive contamination at greater than two times background levels.      In order to determine the extent of contamination at the offsite locations, the licensee performed scan measurements with eensitive radiation monitoring instrumentation. When a contaminated block er a radiation dose rate at greater than two times background was found, the licer.see took soil samples.                   The soil samples were returned to the site for low level counting. At 3 of the locations where contaminated blocks were found, some minor soil contamination was also idenriried.
The licensee plans to return to the sites where positive soil samples were found and further characterize the areas prior to removing all licensed materials with identified radioactivity levels above background.
The Connecticut DEP and the NRC are observing the licensee's activities at the offeite locations and are performing independent measurements.
The State of Connecticut has been notified by the licensee and the Region 1 office staff. The licensee was planning an update to the press.

==Contact:==
Joseph Nick             Marie Miller (610)337-5056            (610)337-5205 9712120160 971211 PDR   I&E PNO-I-97-073A PDR
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