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State of California -Health and Human Services Agency California Department of Public Health <br />Page 1 of 4 pages <br />RADIOACTIVE MATERIAL LICENSE <br />Pursuant to the California Code of Regulations, Division 1, Title 17, Chapter 5, Subchapter 4, Group 2, Licensing of Radioactive Material, and <br />in reliance on statements and representations heretofore made by the licensee, a license is hereby issued authorizing the licensee to receive, <br />use, possess, transfer, or dispose of radioactive material listed below, and to use such radioactive material for the purpose(s) and at the <br />place(s) designated below. This license is subject to all applicable rules, regulations, and orders of the California Department of Public <br />Health now or hereafter in effect and to any standard or specific condition specified in this license. <br />Kleinfelder West, Inc. <br />2. Address: 620 S. Magnolia Avenue, Bldg. G <br />Ontario, CA 91762 <br />Attention: Jeffery Diaz <br />Radiation Safety Officer <br />License Number 6852-19 is hereby amended as follows: <br />3. <br />6852-19 Amendment Number. 17 <br />4. Expiration Date: <br />January 2, 2023 (5) <br />Radiologic Health Branch <br />South <br />6. <br />Nuclide <br />7. <br />Form <br />8. <br />Possession Limit <br />A. <br />Cesium -137/ <br />A. <br />Sealed sources (CPN #131) <br />A. <br />29 source pairs not to exceed 370.0 MBq (10 mCi) <br />Americium-241:Be <br />of Cesium-137 and 1.9 GBq (50 mCi) of <br />Americium-241 each. <br />B. <br />Cesium-137/ <br />B. <br />Sealed sources (Troxler Dwg. <br />B. <br />12 source pairs not to exceed 333.0 MBq (9 mCi) of <br />Americium-241:Be <br />No. A-102112 and A-102451) <br />Cesium-137 and 1.6 GBq (44 mCi) of Americium- <br />241 each. <br />C. <br />Cesium-137 <br />C. <br />Sealed sources (Troxler Dwg. <br />C. <br />2 sources not to exceed 333.0 MBq (9 mCi) each. <br />No. A-102112) <br />D. <br />Cesium-137/ <br />D. <br />Sealed sources (HSI Dwgs. <br />D. <br />2 source pairs not to exceed 407.0 MBq (I I mCi) of <br />Americium-241:Be <br />2200064 and 2200067) <br />Cesium-137 and 1.6 GBq (44 mCi) of Americium- <br />241 each. <br />E. <br />Cesium-137/ <br />E. <br />Sealed sources (Troxler Dwg. <br />E. <br />I source not to exceed 370.0 MBq (10 mCi) of <br />Americium-241:Be <br />No. A-100281) <br />Cesium-137 and 1.9 GBq (50 mCi) of Americium- <br />241. <br />9. Authorized Use <br />A. To be used as components of gauges, CPN Corporation Models A, BR, MC, or 500 series, for determination of <br />moisture/density in engineering materials. <br />B. To be used as components of gauges, Troxler Model 3400 series, for determination of moisture/density in <br />engineering materials. <br />C. To be used as components of gauges, Troxler Model 4640 series, for determination of surface density in <br />engineering materials. <br />D. To be used as components of gauges, Humboldt Scientific, Inc. Model 5000 Series, for determination of <br />moisture/density in engineering materials. <br />E. To be used as components of gauges, Troxler Model 2401 for determination of moisture/density in engineering <br />materials (for storage only). <br />