PAGE DRAFTER OR PPRECE cE RELEASER TIME ACT oO tur —|95_ of 07 P ceass| cic i ete Cea vlg tt ti FOR MESSAG “ENTER/COMMUNICATIONS CENTER ONLY DATE - TIME [MONTH] YA | BOOR MESSAGE HANOLING INSTRUCTIONS FROM: sep 77]~ _~ | TO: ISLAND ( AND OTHER BURIAL SITES DISCOVERED DURING THE OPERATION); AND EXCISING OF SOIL CONTAMINATED WITH PU 239/240 TO. LEVELS GREATER THAN 400 PCI/G FROM LUJOR, BOKEN AND RUNIT ISLANDS (AND OTHER AREAS DISCOVERED DURING THE OPERATION). AREAS CONTAMINATED TO LEVELS LESS THAN 40 PCI/G DO NOT REQUIRE CLEANUP. CLEANUP OF 239/240 PU CONTAMINATED SOIL IN THE RANGE OF 40 TO 400 PCI/G, ON THESE AND OTHER ISLANDS, IS T0 BE BASED ON A CASE-BY-CASE ANALYSIS GUIDED BY COST BENEFIT CONSIDERATIONS. D. THE RADIOLOGICAL SITUATION ON RUNIT ISLAND, AS PORTRAYED BY AVAILABLE DATA, IS A HETEROGENEOUS ADMIXTURE OF LAYERS AND POCKETS OF HIGH LEVELS OF CONTAMINATION ABOVE, BELOW, AND BETWEEN © AREAS OF RELATIVELY LOWER CONTAMINATION. THERE MAY BE MILLIGRAM SIZED PARTICLES OF PU CONTAMINATION SCATTERED IN SOME AREAS. Oe ru Ww 2 ito THIS HIGHLY HETEROGENEOUS SITUATION HAS LED TO AN UNCERTAINTY IN THE VALIDITY OF THE ESTIMATED VOLUME OF SOIL TO BE EXCISED FROM RUNIT. BY SOME ESTIMATES, RUNIT ACCOUNTS FOR 80 PERCENT OF ALL CONTAMINATED SOIL TO BE EXCISED ON THE ATOLL. DISTR: ~ ™ i SPECIAL INSTRUCTIONS TYPED NAME, TITLE. OFFICE SYMBOL AND PHONE u TRATES D D 1 FORM e = —_ DRAFTER TYPED NAME, TITLE. OFFICE SYMSOL, PHONE &DATE ec WwW THE DEC 7O Ov oe] 1 73 ~ SECURITY CLASSIFICATION UNCLASSIFIED. REPLACE R CES PREVIOUS EDITION WHICH WILL BE USED. te GPO: 397 — 50-875