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ATOMIC ENERGY COMMISSION NEW YORK OPERATIONS OFFICE NEW YORK 23,NEW YORK Division of Biolo~ and Medicine We are sending for your information, a copy of our Laboratory iiqort 56-4 entitled ses Performed at HASL”. It is a summazy of our enalyses of samples received from the University of Washington, Applied Fisheries Laboratory. Health and Safety Laboratory
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Spec. No., Collectiondate, ba collectid,Description, Wetn refers to weightof soil as receivedat RASL. a. Soil aliquotashed at %O°C for 8 hours, then dissolved in HN03. Solution allquotplated directly on glassplanchetfor beta counting. Standardized Error term associated with each result is one Poissonstandard plied by A. Seymour. All islandsin RongelapAtoll except Mogiri, All water collectionsmade in lagoonsexcept lectionwas made from anchorage. which is part ate from a 200 ml aliquot,mounttigon 2@ plastic disc and
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beta counting under 2~1 tube. b. A self-absorption factor of 2 was appliedto each result (See fig. 6 - Troll Wport). 1. 18 month old pile producedf.p.!s simulate 2. Oa contentof thesewaters and those sampled on Troll - constant. 6. Error term associatedwith each result- one Poisson standafi mation suppliedby A. Seymour. 2. Wetn refers to wet weight givenby A. Seymour,except in case of Pandanus,which was receivedin wet state at HASL. 3. Samples drie’d at 95°C by A. Seymourwherevera result is given, except for Algae, which were dried at HASL. 5. Total activityresults: based on directplating of aliquotin glass planchetand beta counting. Standardizedagainst0.2 g K2W3~ mounted in similar manner. Self-abso~tion correctionfactor appliedin each case: based on self-absorptionof activityin Papaya pulp and 7. Error term associatedwith each result is one Poisson standard
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Spec. No., Area collected, Tissue, Remarks,- informationsupplied Wet- refers to weight as receivadat HASL. Sanpleswere not dried but ashed at SSOoC for 8 hours. countedin a plasticplanchetand standatiizedagainst0.2 gma Aliquotof dissolvedash analyzedfor Sr-90e Wet* refers to wet weight given by A. Seymour. S~les were dried at 950C by A. Seymour except in case of Plankton, which was recetved in formlin. Xn all cases except bone, samplewas wet ashed at HASL. Bone was ashed at SSOoC then dissolved. For total activity- aliquotplated on glassplanchetad beta manner. Self-absorptioncomection factorapplied in each case: based on self-absorptionof activityin tuna muscle and bonito French and I. Rhitneywas invaluablein the preparation and analysisof these sa~les. DOE ARCHW~