Soil survey samples (item 2) were taken from every island; biota and TLD soil Participating Three-letter designators taboratories showing which laborato- samples were taken only from selected ries made wet-chemistry islands, determinations, principally for 905, and Many of the samples taken in the marine studies are designated according 239,2405,,,, to the island which was nearest to the clides determined in this sample location. manner were 3H 14q 55 ie, 63ni, 113m Such is the case for plankton, sediment, seawater, coral, and fish samples, 1475, 151 Of course, more pre-~ 238, cise records of locations where samples u. Other nu- Cd, Sm, and This designation were collected were made and used in is for wet chemistry evaluating these samples. determinations only; all Designation of island location for the vegetation, terres- gamma assays were trial animal, and air filter samples is made at LLL. unambiguous, emitters determined rou- For each sample, the following infor- Gamma tinely were 6065, 106R 4, 102mpy 1256) 137, Cs, 1335, 15254 155 mation is given: Eu, Sample 2073; 235y and 24 14m, Identification number whose format is dis- The remaining information given for each cussed in Table C.1. sample is a table listing radioactive con- Logbook Assigned by field collec- centration of various nuclides determined —_— tion team; this number is in that sample. number usually used in referring The designation PU 3940 refers to sample was collected. total alpha activity from 239 Pu plus 240 Pu; these nuclides are reported to- Not all samples were as- gether because their most abundant alpha signed logbook numbers, group energies are almost identical. Location Island name Radioactive concentrations are reported Sample type Soil, sediments, verte~ in picocuries per gram of dry sample. brates or invertebrates Samples were dried in various ways; the (aquatic), vegetation, reader is referred to Chapters III-E, -F, animals (land), etc. -G, and -I for details of sample prepara- Examples: tion, to the location where the Description goatfish, All of the activity concentrations in eviscerated whole; tri- Appendix II are reported as of an arbi- dacna, viscera and kid- trary single time, January 1, 1972. ney; common noddy, egg- measured values were corrected for Shell, decay between January 1, 1972 and time Soil samples do Thus, not have any further of measurement; for some of the shorter~ descriptive information lived nuclides, these corrections may be listed here, appreciable. When making use of the —

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