... percent of thecompound 1, 2, 3, 4, 10 , 10 -hexachloro-6, 7- epoxy -1 , 4, 4a, 5, 6, 7, 8, 8a-octahydro-exo-l,4-endo-exo-5,8-dimethano-naphthalene(HEOD). It has a molecular weight of 3 81, formula ... Gould, ed., 19 66, Ameri-can Chemical Society.l,2,3,4 ,10 ,10 -hexachloro-l,4,4a,5,8,8a-hexa-hydro-exo -1 , 4- rafo-exo-5,8-dimethanonaph-thalene. It has a molecular weight of 365,formula C 12 H8Cl6, ... Agric. Food Chem. 27: 11 0 8- 11 12.Marsden, J., and R. Pesselman. 19 93. Nitrosamines in food contact netting: Regulatory and analytical chal-lenges. Food Technol. 47, no. 3: 13 1 -1 3 4.Miettinen,...