title: Study of the transfer of 137Cs from fodder to cow milk in the region around Narora Atomic Power Station NPP Site, India.
abstract: Site-specific transfer coefficient from feed to cow's milk, for (137)Cs in the villages around Narora, a nuclear power station site in India, determined over a period of 17 y, is presented in this paper. In the transport model for the prediction of the concentration of (137)Cs in milk, the transfer coefficient from feed to milk, Fm, is an important parameter. The transfer coefficient value is determined from (137)Cs concentration in milk and grass samples of the Narora region, and the result ranged from 4.28E-03 to 3.30E-02 d l(-1) with a geometric mean value of 1.15E-03 d l(-1). The highest and the lowest values were only below one order of magnitude different from the mean, regardless of the type of diet, milk yield and age of the cow. The result is compared with that for (40)K, determined concurrently at the same region and ranged from 6.92E-03 to 8.01E-03 d l(-1) with a geometric mean value of 7.45E-03 d l(-1). This parameter is quite useful in decision-making for implementing countermeasures during a large-area contamination with (137)Cs in tropical areas like Narora. The ingestion dose from fallout (137)Cs through milk intake for adult and child is also estimated.
authors.affiliation: Environmental Survey Laboratory, Environmental Studies Section, Health Physics Division, Bhabha Atomic Research Centre, Narora Atomic Power Station, PO NAPP Township, Narora, District Bulandshahr, Uttar Pradesh 202 389, India. deepak_kumar@npcil.co.in
authors.forename: Deepak
authors.initials: D
authors.lastname: Kumar
authors.forename: Avinash
authors.initials: A
authors.lastname: Kumar
authors.forename: A K
authors.initials: AK
authors.lastname: Sharma
authors.forename: B
authors.initials: B
authors.lastname: Singh
authors.forename: P M
authors.initials: PM
authors.lastname: Ravi
authors.forename: P K
authors.initials: PK
authors.lastname: Sarkar
mesh_terms: D000821:Animal Feed / Q000032:analysis; D000818:Animals; D002417:Cattle; D002588:Cesium Radioisotopes / Q000032:analysis*; D005507:Food Contamination, Radioactive / Q000032:analysis*; D005720:Gamma Rays; D007194:India; D008892:Milk / Q000737:chemistry*; D006109:Poaceae / Q000737:chemistry*; D011197:Potassium Radioisotopes / Q000032:analysis*; D011834:Radiation Monitoring; D012990:Soil Pollutants, Radioactive / Q000032:analysis*
chemical_list: D002588:Cesium Radioisotopes; D011197:Potassium Radioisotopes; D012990:Soil Pollutants, Radioactive