ECCN 1C236

NPAT

Radionuclides appropriate for making neutron sources based on alpha-n reaction and products or devices containing such radionuclides .

Category: 1 - MaterialsProduct Group: C - MaterialsLast Updated: 2026-04-10

Items Covered

  • 1. Radionuclides, as follows, appropriate for making neutron sources based on alpha-n reactions:
  • 1.a. Actinium 225;
  • 1.b. Actinium 227;
  • 1.c. Californium 253;
  • 1.d. Curium 240;
  • 1.e. Curium 241;
  • 1.f. Curium 242;
  • 1.g. Curium 243;
  • 1.h. Curium 244;
  • 1.i. Einsteinium 253;
  • 1.j. Einsteinium 254;
  • 1.k. Gadolinium 148;
  • 1.l. Plutonium 236;
  • 1.m. Plutonium 238;
  • 1.n. Polonium 208;
  • 1.o. Polonium 209;
  • 1.p. Polonium 210;
  • 1.q. Radium 223;
  • 1.r. Thorium 227;
  • 1.s. Thorium 228;
  • 1.t. Uranium 230;
  • 1.u. Uranium 232; and
  • 2. In any of the following forms:
  • 2.a. Elemental;
  • 2.b. Compounds having a total activity of 37 GBq (1 curie) per kg or greater; or
  • 2.c. Mixtures having a total activity of 37 GBq (1 curie) per kg or greater.
  • b.Products or devices containing radionuclides identified in 1C236.a.1 in any of the forms described in 1C236.a.2.

Control Reasons

NPNuclear Nonproliferation

Items controlled for nuclear nonproliferation reasons.

Column 1: YesColumn 2: No
ATAnti-Terrorism

Items controlled for anti-terrorism reasons. Most items on the CCL have AT controls.

Column 1: YesColumn 2: No

Disclaimer

This information is for reference only. For official classifications, consult BIS or a qualified export control professional.

Official Reference

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