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TITLE 32: ENERGY
CHAPTER II: ILLINOIS EMERGENCY MANAGEMENT AGENCY SUBCHAPTER b: RADIATION PROTECTION PART 340 STANDARDS FOR PROTECTION AGAINST RADIATION SECTION 340.APPENDIX A DECONTAMINATION GUIDELINES Section 340.APPENDIX A Decontamination Guidelines
a) Surface Contamination Guide
b) Concentration in air and water: tables I and II of appendix B to 10 CFR 20, published at 72 Fed. Reg. 55922, October 1, 2007.
c) Concentrations in soil and other materials except water:
1) Radioactive material except source material and radium: Column II of 32 Ill. Adm. Code 330.Appendix A.
2) Source material and radium: Concentration of radionuclides above background concentrations for total radium, averaged over areas of 100 square meters, shall not exceed:
A) 185 mBq (5 pCi) per gram of dry soil, averaged over the first 15 centimeters below the surface; and
B) 185 mBq (5 pCi) per gram of dry soil, averaged over layers of 15 centimeters thickness more than 15 centimeters below the surface.
d) The level of gamma radiation measured at a distance of 100 centimeters from the surface shall not exceed background.
AGENCY NOTE: This appendix shall be used only as a guide. The Agency may require lower values in specific instances, depending upon radionuclides, type of surface, intended present and future use, etc.
(Source: Amended at 35 Ill. Reg. 934, effective December 30, 2010) |