{
  "url": "https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-36",
  "json_url": "https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-36.json",
  "legislation": "uksi/1996/1350",
  "legislation_title": "The Radioactive Material (Road Transport) (Great Britain) Regulations 1996",
  "legislation_url": "https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996",
  "path": "schedule/36",
  "kind": "schedule",
  "number": "36",
  "heading": "TABLES",
  "text": "TABLE I\nCALCULATION OF A1 AND A2 VALUES\nValues of A1 and A2 for individual radionuclides\nSymbol of radionuclide\nElement and atomic number\nA1 TBq\nA2 TBq\n(a) A1 and/or A2 value limited by daughter product decay.\n(b) A1 and A2 are unlimited for radiation control purposes only. For nuclear criticality safety this material is subject to the controls placed on fissile material.\n(c) These values do not apply to reprocessed uranium.\n225Ac\nActinium (89)\n0.6\n1×10−2\n227Ac\n40\n2×10−5\n228Ac\n0.6\n0.4\n105Ag\nSilver (47)\n2\n2\n108Agm\n0.6\n0.6\n110Agm\n0.4\n0.4\n111Ag\n0.6\n0.5\n26Al\nAluminium (13)\n0.4\n0.4\n241Am\nAmericium (95)\n2\n2×10−4\n242Amm\n2\n2×10−4\n243Am\n2\n2×10−4\n37Ar\nArgon (18)\n40\n40\n39Ar\n20\n20\n41Ar\n0.6\n0.6\n42Ar\n0.2\n0.2\n72As\nArsenic (33)\n0.2\n0.2\n73As\n40\n40\n74As\n1\n0.5\n76As\n0.2\n0.2\n77As\n20\n0.5\n211At\nAstatine (85)\n30\n2\n193Au\nGold (79)\n6\n6\n194Au\n1\n1\n195Au\n10\n10\n196Au\n2\n2\n198Au\n3\n0.5\n199Au\n10\n0.9\n131Ba\nBarium (56)\n2\n2\n133Bam\n10\n0.9\n133Ba\n3\n3\n140Ba\n0.4\n0.4\n7Be\nBeryllium (4)\n20\n20\n10Be\n20\n0.5\n205Bi\nBismuth (83)\n0.6\n0.6\n206Bi\n0.3\n0.3\n207Bi\n0.7\n0.7\n210Bim\n0.3\n3×10−2\n210Bi\n0.6\n0.5\n212Bi\n0.3\n0.3\n247Bk\nBerkelium (97)\n2\n2×10−4\n249Bk\n40\n8×10−2\n76Br\nBromine (35)\n0.3\n0.3\n77Br\n3\n3\n82Br\n0.4\n0.4\n11C\nCarbon (6)\n1\n0.5\n14C\n40\n2\n41Ca\nCalcium (20)\n40\n40\n45Ca\n40\n0.9\n47Ca\n0.9\n0.5\n109Cd\nCadmium (48)\n40\n1\n113Cdm\n20\n9×10−2\n115Cdm\n0.3\n0.3\n115Cd\n4\n0.5\n139Ce\nCerium (58)\n6\n6\n141Ce\n10\n0.5\n143Ce\n0.6\n0.5\n144Ce\n0.2\n0.2\n248Cf\nCalifornium (98)\n30\n3×10−3\n249Cf\n2\n2×10−4\n250Cf\n5\n5×10−4\n251Cf\n2\n2×10−4\n252Cf\n0.1\n1×10−3\n253Cf\n40\n6×10−2\n254Cf\n3×10−3\n6×10−4\n36Cl\nChlorine (17)\n20\n0.5\n38Cl\n0.2\n0.2\n240Cm\nCurium (96)\n40\n2×10−2\n241Cm\n2\n0.9\n242Cm\n40\n1×10−2\n243Cm\n3\n3×10−4\n244Cm\n4\n4×10−4\n245Cm\n2\n2×10−4\n246Cm\n2\n2×10−4\n247Cm\n2\n2×10−4\n248Cm\n4×10−2\n5×10−5\n55Co\nCobalt (27)\n0.5\n0.5\n56Co\n0.3\n0.3\n57Co\n8\n8\n58Com\n40\n40\n58Co\n1\n1\n60Co\n0.4\n0.4\n51Cr\nChromium (24)\n30\n30\n129Cs\nCaesium (55)\n4\n4\n131Cs\n40\n40\n132Cs\n1\n1\n134Csm\n40\n9\n134Cs\n0.6\n0.5\n135Cs\n40\n0.9\n136Cs\n0.5\n0.5\n137Cs\n2\n0.5\n64Cu\nCopper (29)\n5\n0.9\n67Cu\n9\n0.9\n159Dy\nDysprosium (66)\n20\n20\n165Dy\n0.6\n0.5\n166Dy\n0.3\n0.3\n169Er\nErbium (68)\n40\n0.9\n171Er\n0.6\n0.5\n147Eu\nEuropium (63)\n2\n2\n148Eu\n0.5\n0.5\n149Eu\n20\n20\n150Eu\n0.7\n0.7\n152Eum\n0.6\n0.5\n152Eu\n0.9\n0.9\n154Eu\n0.8\n0.5\n155Eu\n20\n2\n156Eu\n0.6\n0.5\n18F\nFluorine (9)\n1\n0.5\n52Fe\nIron (26)\n0.2\n0.2\n55Fe\n40\n40\n59Fe\n0.8\n0.8\n60Fe\n40\n0.2\n67Ga\nGallium (31)\n6\n6\n68Ga\n0.3\n0.3\n72Ga\n0.4\n0.4\n146Gd\nGadolinium (64)\n0.4\n0.4\n148Gd\n3\n3×10−4\n153Gd\n10\n5\n159Gd\n4\n0.5\n68Ge\nGermanium (32)\n0.3\n0.3\n71Ge\n40\n40\n77Ge\n0.3\n0.3\n172Hf\nHafnium (72)\n0.5\n0.3\n175Hf\n3\n3\n181Hf\n2\n0.9\n182Hf\n4\n3×10−2\n194Hg\nMercury (80)\n1\n1\n195Hgm\n5\n5\n197Hgm\n10\n0.9\n197Hg\n10\n10\n203Hg\n4\n0.9\n163Ho\nHolmium (67)\n40\n40\n166Hom\n0.6\n0.3\n166Ho\n0.3\n0.3\n123I\nIodine (53)\n6\n6\n124I\n0.9\n0.9\n125I\n20\n2\n126I\n2\n0.9\n129I\nUnlimited\nUnlimited\n131I\n3\n0.5\n132I\n0.4\n0.4\n133I\n0.6\n0.5\n134I\n0.3\n0.3\n135I\n0.6\n0.5\n111In\nIndium (49)\n2\n2\n113Inm\n4\n4\n114Inm\n0.3\n0.3\n115Inm\n6\n0.9\n189Ir\nIridium (77)\n10\n10\n190Ir\n0.7\n0.7\n192Ir\n1\n0.5\n193Irm\n10\n10\n194Ir\n0.2\n0.2\n40K\nPotassium (19)\n0.6\n0.6\n42K\n0.2\n0.2\n43K\n1\n0.5\n81Kr\nKrypton (36)\n40\n40\n85Krm\n6\n6\n85Kr\n20\n10\n87Kr\n0.2\n0.2\n137La\nLanthanum (57)\n40\n2\n140La\n0.4\n0.4\nLSA\nLow specific activity material (See definition in regulation 2)\n172Lu\nLutetium (71)\n0.5\n0.5\n173Lu\n8\n8\n174Lum\n20\n8\n174Lu\n8\n4\n177Lu\n30\n0.9\nMFP\nFor Mixed Fission Products, use formula for mixtures or Table II\n28Mg\nMagnesium (12)\n0.2\n0.2\n52Mn\nManganese (25)\n0.3\n0.3\n53Mn\nUnlimited\nUnlimited\n54Mn\n1\n1\n56Mn\n0.2\n0.2\n93Mo\nMolybdenum (42)\n40\n7\n99Mo\n0.6\n0.5\n13N\nNitrogen (7)\n0.6\n0.5\n22Na\nSodium (11)\n0.5\n0.5\n24Na\n0.2\n0.2\n92Nbm\nNiobium (41)\n0.7\n0.7\n93Nbm\n40\n6\n94Nb\n0.6\n0.6\n95Nb\n1\n1\n97Nb\n0.6\n0.5\n147Nd\nNeodymium (60)\n4\n0.5\n149Nd\n0.6\n0.5\n59Ni\nNickel (28)\n40\n40\n63Ni\n40\n30\n65Ni\n0.3\n0.3\n235Np\nNeptunium (93)\n40\n40\n236Np\n7\n1×10−3\n237Np\n2\n2×10−4\n239Np\n6\n0.5\n185Os\nOsmium (76)\n1\n1\n191Osm\n40\n40\n191Os\n10\n0.9\n193Os\n0.6\n0.5\n194Os\n0.2\n0.2\n32P\nPhosphorus (15)\n0.3\n0.3\n33P\n40\n0.9\n230Pa\nProtactinium (91)\n2\n0.1\n231Pa\n0.6\n6×10−5\n233Pa\n5\n0.9\n201Pb\nLead (82)\n1\n1\n202Pb\n40\n2\n203Pb\n3\n3\n205Pb\nUnlimited\nUnlimited\n210Pb\n0.6\n9×10−3\n212Pb\n0.3\n0.3\n103Pd\nPalladium (46)\n40\n40\n107Pd\nUnlimited\nUnlimited\n109Pd\n0.6\n0.5\n143Pm\nPromethium (61)\n3\n3\n144Pm\n0.6\n0.6\n145Pm\n30\n7\n147Pm\n40\n0.9\n148Pmm\n0.5\n0.5\n149Pm\n0.6\n0.5\n151Pm\n3\n0.5\n208Po\nPolonium (84)\n40\n2×10−2\n209Po\n40\n2×10−2\n210Po\n40\n2×10−2\n142Pr\nPraseodymium (59)\n0.2\n0.2\n143Pr\n4\n0.5\n188Pt\nPlatinum (78)\n0.6\n0.6\n191Pt\n3\n3\n193Ptm\n40\n9\n193Pt\n40\n40\n195Ptm\n10\n2\n197Ptm\n10\n0.9\n197Pt\n20\n0.5\n236Pu\nPlutonium (94)\n7\n7×10−4\n237Pu\n20\n20\n238Pu\n2\n2×10−4\n239Pu\n2\n2×10−4\n240Pu\n2\n2×10−4\n241Pu\n40\n1×10−2\n242Pu\n2\n2×10−4\n244Pu\n0.3\n2×10−4\n223Ra\nRadium (88)\n0.6\n3×10−2\n224Ra\n0.3\n6×10−2\n225Ra\n0.6\n2×10−2\n226Ra\n0.3\n2×10−2\n228Ra\n0.6\n4×10−2\n81Rb\nRubidium (37)\n2\n0.9\n83Rb\n2\n2\n84Rb\n1\n0.9\n86Rb\n0.3\n0.3\n87Rb\nUnlimited\nUnlimited\nRb (natural)\nUnlimited\nUnlimited\n183Re\nRhenium (75)\n5\n5\n184Rem\n3\n3\n184Re\n1\n1\n186Re\n4\n0.5\n187Re\nUnlimited\nUnlimited\n188Re\n0.2\n0.2\n189Re\n4\n0.5\nRe (natural)\nUnlimited\nUnlimited\n99Rh\nRhodium (45)\n2\n2\n101Rh\n4\n4\n102Rhm\n2\n0.9\n102Rh\n0.5\n0.5\n103Rhm\n40\n40\n105Rh\n10\n0.9\n222Rn\nRadon (86)\n0.2\n4×10−3\n97Ru\nRuthenium (44)\n4\n4\n103Ru\n2\n0.9\n105Ru\n0.6\n0.5\n106Ru\n0.2\n0.2\n35S\nSulphur (16)\n40\n2\n122Sb\nAntimony (51)\n0.3\n0.3\n124Sb\n0.6\n0.5\n125Sb\n2\n0.9\n126Sb\n0.4\n0.4\n44Sc\nScandium (21)\n0.5\n0.5\n46Sc\n0.5\n0.5\n47Sc\n9\n0.9\n48Sc\n0.3\n0.3\nSCO\nSurface Contaminated Objects (see definition in regulation 2)\n75Se\nSelenium (34)\n3\n3\n79Se\n40\n2\n31Si\nSilicon (14)\n0.6\n0.5\n32Si\n40\n0.2\n145Sm\nSamarium (62)\n20\n20\n147Sm\nUnlimited\nUnlimited\n151Sm\n40\n4\n153Sm\n4\n0.5\n113Sn\nTin (50)\n4\n4\n117Snm\n6\n2\n119Snm\n40\n40\n121Snm\n40\n0.9\n123Sn\n0.6\n0.5\n125Sn\n0.2\n0.2\n126Sn\n0.3\n0.3\n82Sr\nStrontium (38)\n0.2\n0.2\n85Srm\n5\n5\n85Sr\n2\n2\n87Srm\n3\n3\n89Sr\n0.6\n0.5\n90Sr\n0.2\n0.1\n91Sr\n0.3\n0.3\n92Sr\n0.8\n0.5\nT (all forms)\nTritium (1)\n40\n40\n178Ta\nTantalum (73)\n1\n1\n179Ta\n30\n30\n182Ta\n0.8\n0.5\n157Tb\nTerbium (65)\n40\n10\n158Tb\n1\n0.7\n160Tb\n0.9\n0.5\n95Tcm\nTechnetium (43)\n2\n2\n96Tcms\n0.4\n0.4\n96Tc\n0.4\n0.4\n97Tcm\n40\n40\n97Tc\nUnlimited\nUnlimited\n98Tc\n0.7\n0.7\n99Tcm\n8\n8\n99Tc\n40\n0.9\n118Te\nTellurium (52)\n0.2\n0.2\n121Tem\n5\n5\n121Te\n2\n2\n123Tem\n7\n7\n125Tem\n30\n9\n127Tem\n20\n0.5\n127Te\n20\n0.5\n129Tem\n0.6\n0.5\n129Te\n0.6\n0.5\n131Tem\n0.7\n0.5\n132Te\n0.4\n0.4\n227Th\nThorium (90)\n9\n1×10−2\n228Th\n0.3\n4×10−4\n229Th\n0.3\n3×10−5\n230Th\n2\n2×10−4\n231Th\n40\n0.9\n232Th\nUnlimited\nUnlimited\n234Th\n0.2\n0.2\nTh (natural)\nUnlimited\nUnlimited\n44Ti\nTitanium (22)\n0.5\n0.2\n200Tl\nThallium (81)\n0.8\n0.8\n201Tl\n10\n10\n202Tl\n2\n2\n204Tl\n4\n0.5\n167Tm\nThulium (69)\n7\n7\n168Tm\n0.8\n0.8\n170Tm\n4\n0.5\n171Tm\n40\n10\n230U\nUranium (92)\n40\n1×10−2\n232U\n3\n3×10−4\n233U\n10\n1×10−3\n234U\n10\n1×10−3\n235U\nUnlimited\nUnlimited\n236U\n10\n1×10−3\n238U\nUnlimited\nUnlimited\nU (natural\nUnlimited\nUnlimited\nU (enriched 5% or less)\nUnlimited\nUnlimited\nU (enriched more than 5%)\n10\n1×10−3\nU (depleted)\nUnlimited\nUnlimited\n48V\nVanadium (23)\n0.3\n0.3\n49V\n40\n40\n178W\nTungsten (74)\n1\n1\n181W\n30\n30\n185W\n40\n0.9\n187W\n2\n0.5\n188W\n0.2\n0.2\n122Xe\nXenon (54)\n0.2\n0.2\n123Xe\n0.2\n0.2\n127Xe\n4\n4\n131Xem\n40\n40\n133Xe\n20\n20\n135Xe\n4\n4\n87Y\nYttrium (39)\n2\n2\n88Y\n0.4\n0.4\n90Y\n0.2\n0.2\n91Ym\n2\n2\n91Y\n0.3\n0.3\n92Y\n0.2\n0.2\n93Y\n0.2\n0.2\n169Yb\nYtterbium, (70)\n3\n3\n175Yb\n30\n0.9\n65Zn\nZinc (30)\n2\n2\n69Znm\n2\n0.5\n69Zn\n4\n0.5\n88Zr\nZirconium (40)\n3\n3\n93Zr\n40\n0.2\n95Zr\n1\n0.9\n97Zr\n0.3\n0.3\nTABLE II\nGENERAL VALUES FOR A1 AND A2\nContents\nA1 TBq\nA2 TBq\nOnly beta or gamma emitting nuclides are known to be present\n0.2\n0.02\nAlpha emitting nuclides are known to be present or no relevant data are available\n0.1\n2×10−5\nTABLE III\nLIMITS OF NON-FIXED CONTAMINATION ON SURFACES\nType of package, overpack, freight container, tank or conveyance and its equipment\nContaminant\nApplicable limit of beta and gamma emitters and low toxicity alpha emitters Bq/cm2\nApplicable limit of all other alpha emitters Bq/cm2\n(a) The limits are applicable when averaged over any area of 300 cm2 of any part of the surface.\nExternal surfaces of:\nexcepted packages\n0.4\n0.04\npackages other than excepted packages\n4\n0.4\nExternal and internal surfaces of overpacks, freight containers, and conveyances and their equipment, when used in or when being prepared for, the carriage of:\n—loads consisting only of radioactive material in packages other than excepted packages\n4\n0.4\n—loads including excepted packages and/or non-radioactive consignments\n0.4\n0.04\nExternal surfaces of freight containers, tanks and conveyances and their equipment, used in the carriage of unpacked radioactive material\n4\n0.4\nTABLE IV\nACTIVITY LIMITS FOR EXCEPTED PACKAGES\nPhysical state of contents\nInstruments and articles\nItem limits\nPackage limits\nMaterials\nPackage limits\n(a) For mixtures of radionuclides, see paragraphs 4–6 of Schedule 1.\nSolids:\nspecial form\n10−2 A1\nA1\n10−3 A1\nother forms\n10−2 A2\nA2\n10−3 A2\nLiquids:\n10−3 A2\n10−1 A2\n10−4 A2\nGases:\ntritium\n2×10−2 A2\n2×10−1 A2\n2×10−2 A2\nspecial form\n10−3 A1\n10−2 A1\n10−3 A1\nother forms\n10−3 A2\n10−2 A2\n10−3 A2\nTABLE V\nINDUSTRIAL PACKAGE REQUIREMENTS FOR LSA MATERIAL AND SCO\nContents\nIndustrial package type\nExclusive use\nNot under exclusive use\n(a) Under the conditions specified in paragraph 3 of Schedule 10, LSA-I material and SCO-I may be transported unpackaged.\nLSA-I\nSolid\nIP-1\nIP-1\nLiquid\nIP-1\nIP-2\nLSA-II\nSolid\nIP-2\nIP-2\nLiquid and gas\nIP-2\nIP-3\nLSA-III\nIP-2\nIP-3\nSCO-I\nIP-1\nIP-1\nSCO-II\nIP-2\nIP-2\nTABLE VI\nCONVEYANCE ACTIVITY LIMITS FOR LSA MATERIAL AND SCO IN INDUSTRIAL PACKAGES OR UNPACKED\nNature of material\nActivity limit for conveyances\nLSA-I\nNo limit\nLSA-II and LSA-III non-combustible solids\nNo limit\nLSA-II and LSA-III combustible solids, and all liquids and gases\n100×A2\nSCO\n100×A2\nTABLE VII\nMULTIPLICATION FACTORS FOR LARGE DIMENSION LOADS\nSize of load\nMultiplication factor\n(a) Largest cross-sectional area of the load being measured.\nsize of load ≤ 1 m2\n1\n1 m2<size of load ≤ 5 m2\n2\n5 m2<size of load ≤ 20 m2\n3\n20 m2<size of load\n10\nTABLE VIII\nDETERMINATION OF TRANSPORT INDEX (T)\nItem\nContents\nMethod of determining Transport Index (TI)\nPackages\nNon-fissile material\nTI for radiation exposure control\nFissile material\nThe larger of the TI for radiation exposure control or the TI for nuclear criticality control\nNon-rigid overpacks\nPackages\nSum of TI’s of all packages contained\nRigid overpacks\nPackages\nThe sum of the TI’s of all packages contained, or for the original consignor, either the TI for radiation exposure control or the sum of the TI’s of all packages\nFreight containers\nPackages or overpacks\nSum of the TI’s of all packages and overpacks contained\nLSA material or SCO\nEither the sum of the TI’s or the larger of the TI for radiation exposure control or the TI for nuclear criticality control\nFreight containers under exclusive use\nPackages or overpacks\nEither the sum of the TI’s or the larger of the TI for radiation exposure control or the TI for nuclear criticality control\nTanks\nNon-fissile material\nTI for radiation exposure control\nFissile material\nThe larger of the TI for radiation exposure control or the TI for nuclear criticality control\nUnpackaged\nLSA-I and SCO-I\nThe TI for radiation exposure control\nTABLE IX\nCATEGORIES OF PACKAGES\nConditions\nTransport index\nMaximum radiation level at any point on external surface\nCategory\n(a) If the measured TI is not greater than 0.05, the value quoted may be zero in accordance with paragraph 1(c) of Schedule 17.\n0\nNot more than 0.005 mSv/h\nI-WHITE\nMore than 0 but not more than 1\nMore than 0.005 mSv/h but not more than 0.5 mSv/h\nII-YELLOW\nMore than 1 but not more than 10\nMore than 0.5 mSv/h but not more than 2 mSv/h\nIII-YELLOW\nMore than 10\nMore than 2 mSv/h but not more than 10 mSv/h\nIII-YELLOW and also under exclusive use\nTABLE X\nCATEGORIES OF OVERPACKS INCLUDING FREIGHT CONTAINERS WHEN USED AS OVERPACKS\nTransport Index (TI)\nCategory\n0\nI-WHITE\nTI greater than 0 but less than or equal to 1\nII-YELLOW\nTI greater than 1\nIII-YELLOW\nTABLE XI\nINSOLATION DATA\nForm and location of surface\nInsolation in W/m2 for 12 hours per day\n(a) Alternatively, a sine function may be used, with an absorption coefficient adopted and the effects of possible reflection from neighbouring objects neglected.\nFlat surfaces transported horizontally:\n—base\nnone\n—other surfaces\n800\nFlat surfaces not transported horizontally:\n—each surface\n200\nCurved surfaces\n400\nTABLE XII\nLIMITATIONS ON HOMOGENEOUS HYDROGENOUS SOLUTIONS OR MIXTURES OF FISSILE MATERIAL\nParameters\nUranium-235 only\nAny other fissile material (including mixtures)\n(a) Where H/X is the ratio of the number of hydrogen atoms to the number of atoms of fissile nuclide.\n(b) With a total plutonium and uranium-233 content of not more than 1% of the mass of uranium-235.\nMinimum H/X\n5200\n5200\nMaximum concentration of fissile material (g/L)\n5\n5\nMaximum mass of fissile material in a package or conveyance (g)\n800\n500\nTABLE XIII\nFREE-DROP DISTANCE FOR TESTING PACKAGES TO NORMAL CONDITIONS OF TRANSPORT\nPackage mass (kg)\nFree-drop distance (m)\npackage mass<5,000\n1.2\n5,000≤package mass<10,000\n0.9\n10,000≤package mass<15,000\n0.6\n15,000≤package mass\n0.3",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(a) A1 and/or A2 value limited by daughter product decay."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "(b) A1 and A2 are unlimited for radiation control purposes only. For nuclear criticality safety this material is subject to the controls placed on fissile material."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "(c) These values do not apply to reprocessed uranium."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "(a) The limits are applicable when averaged over any area of 300 cm2 of any part of the surface."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "(a) For mixtures of radionuclides, see paragraphs 4–6 of Schedule 1."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "(a) Under the conditions specified in paragraph 3 of Schedule 10, LSA-I material and SCO-I may be transported unpackaged."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "(a) Largest cross-sectional area of the load being measured."
    },
    {
      "type": "footnote",
      "label": "f8",
      "text": "(a) If the measured TI is not greater than 0.05, the value quoted may be zero in accordance with paragraph 1(c) of Schedule 17."
    },
    {
      "type": "footnote",
      "label": "f9",
      "text": "(a) Alternatively, a sine function may be used, with an absorption coefficient adopted and the effects of possible reflection from neighbouring objects neglected."
    },
    {
      "type": "footnote",
      "label": "f10",
      "text": "(a) Where H/X is the ratio of the number of hydrogen atoms to the number of atoms of fissile nuclide."
    },
    {
      "type": "footnote",
      "label": "f11",
      "text": "(b) With a total plutonium and uranium-233 content of not more than 1% of the mass of uranium-235."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1996/1350/schedule/36",
    "retrieved_at": "2026-10-29T12:43:20.628336+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}