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TABLE 7 continued SRM


Name Number 4353A Rocky Flats Soil II†


Mass (g)


85 238 137Cs, 228


Pu, 239,240 Ra, 210


Activity Certified


Pu, 238 Pb, 228


U, 234 U, 235 Th/232 U, 90 Th, 230 Sr, Th/232


Activity Given


But Not Certified 228Th, 230


Th 226 Ra, 214 212Bi, 208 240Pu/239 4354 Lake Sediment† 4355 Peruvian Soil † 25 75 60Co, 90 235U, 238 Sr, 137 U, 238 137Cs, 228 Cs, 228


Pu, 239+240 Th, 230


239+240Pu, 241


Upper limits on: 60 152Eu, 154


4356 Ashed Bone† 4357 Ocean Sediment† 4359 Seaweed Radionuclide 15 85


90Sr, 226 238U, 238


40K, 90 40K, 137 Ra, 230


Pu, 239+240 Sr, 137


230Th, 232 234U, 235 Cs, 210


Th, 238 Pb, 210


U, 238 Th, 232


Th, 232 Am,


Eu, 155 Th, 232


Cs, 226


Pu, 241 Th,


Co, 125 Eu


Th, Am 40K, 55 Sb, Th, 234


Pu, 243+244 Ra, 228


Pu, 239+240 Po, 228


U, 238 239,240Pu, 241


Pu, 239 Am


U,


Cm Th,


Pu


Ra, 232 Pu,


Th, 40K, 210 Pb, 210


228Ra, 228 129I, 155


234U, 235 3H, 14


C, 90 212Bi, 212 228Th, 230 † This standard is not radioactive material for licensing or shipping purposes.


a) Semi-quantitative elemental analysis by emission spectrographic measurements. b) Analysis of plutonium isotopes by mass spectrometry. c) Particle size distribution.


TABLE 8: Neutron Density Monitor Wire SRM Description


953 Cobalt in Aluminum Wire 0.116 Eu, 210 U, 238 Sr, 99 Th, 234 Th, 238


Po, 228 U, 241


Pb, 228 U, 237 Pb, 224 Tc, 129 Th, 237


Ac, Am


Ra,


Np, 241 I, 208


Ra, 226 Am Tl, Ra, Np, 240 Pu a, c Fe, 90 214Bi, 238


Sr, 208 Pu


Tl, c


Th, 232 Pb, 214


Tl, 40 Pu, 241 2l0Pb, 226


Th, 234 Bi, 212


K, 241


Pu/239 Ra, 230


Pu, 241 Pu, 241 Th, 234


Th, Pb,


Am


Pu/240 U


Pu a, c


Other Data


Cobalt Composition (weight %)


Unit Size 0.5 mm diameter  1 m


TABLE 9: Fission Track Glass Each unit consists of four unirradiated glass wafers and two irradiated wafers.


SRM Uranium Composition (µg/g)


963a 0.823


Uranium-235 (Atom %)


0.2792


Reactor Position


RT-4 RT-3


Neutron Fluence ( 


1014 n/cm2 )


Copper Foil Gold Foil 39.5


41.2


43.0 45.8


TABLE 10: Accelerator Mass Spectrometry (solution form) SRM Radionuclide


Isotopic Ratio Total Nuclide 4325 Beryllium-10/Beryllium-9 3 x 10-11


Concentration (mg g-1 5


Time of Calibration Volume of


) (month/year) 08/86


Solution (mL) 2 x 25


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