PRIORITY TEN2 MSG807 PAGE 02 073 0110 EACH SET OF SAMPLES wILL ALSO HAVE DUPLICATE SAMPLES (APPROX. 20%) PROCESSED TO CHECK FOR PRECISION. ONE SAMPLE OUT OF EVERY SHIPMENT WILL BE PROCESSED THROUGH THE LONG INGROWTH DETERMINATION OF SR=-90 AND COMPARED TO THE 48& HOUR METHOD FOR DETERMINING SR=90, TEN PERCENT OF DUPLICATES WILL HAVE Y-88 USED TO MEASURE YTTRIUM YIELD AND WILL BE COMPARED TO YTTPIUM GRAVIMETRIC YIELD DETERMINATION. JANET STANDARD SOIL WILL BE PROCESSED WITH EACH SHIPMENT OF SAMPLES TO DETERMINE THE ACCURACY OF THE RESULTS. ONE OUT OF EVERY 20 SAMPLES IS RECOUNTED TO VERIFY THE Y-99 DECAY. * PAGE 3 RHEGNVOO062 UNCLASSIFIED/N ON W D/NARR Be EXTERNAL QUALITY CONTROL = EXTERNAL WILL BE BASED ON STANDARD SOIL SAMPLES WHICH WILL BE SEIT OUT TO VARIOUS LABORATORIES SUCH AS EPA AND LIVERMORE. THE RESULTS OF THIS EXTERNAL @C PROGRAM WILL PROVIDE EIC VERIFICATION OF ITS INTERNAL QUALITY CONTROL PROGRAM, OTHER RELATED EXTERNAL QUALITY CONTROL PROGRAMS WHICH EIC IS PARTICIPATING IN ARE THE EPA QUALITY CONTROL CPOSS CHECK STANDARDS AND THE INTERNATIONAL ATOMIC ENERGY COMMISSION CROSS CHECK STANDARDS. Ve MATA FLOW Ae EIC FUNCTIONS le ONT ISLAHD LABORATORY ALL FISSION PRODUCT SAMPLES TAKEN WILL BE ENTERED INTO * THE EIC RAD LABORATORY DATA BASE ON ENEWETAK DURING PROCESSING. THE REPORTED ANALYSIS AND RESULTS WILL INCLUDE AT LEAST THE FOLLOWING FOR EACH SAMPLE? HELIER DATA: ISLANDe LOCATION, DATE AND HOUR OF SAMPLE, PEE THs SAVPLE TYPE, 39 CHARACTERS OF MISC. INFORMATION PAGE 4 RHEGNVOOU62 UNCLASSIFIED/™" G Now D/NARR WHICH WILL INCLUDE SAMPLE COLLECTION CIRCUMSTANCES? COLLECTOP St NAME, £NT LAPORATOPY SAMPLE IM NUMREP, GAMMA SPECTRUMSs fp POUR CHANNEL SPECTRUM COVERING 40 1900 KEV WITH CALIBRATION naTAr OETECTOR GEOMETRY? AND LATEST RACKGROUND SPECTRUM FILE. FESULTS! DaTaA RLOCK TC INCLUDE RESULTS OF WET CHEMISTRY