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State of California -Health and Human Services Agency California Department of Public Health Page 2 of 3 pages RADIOACTIVE MATERIAL LICENSE License Number: 8313-36 Amendment Number: 1 13. Except as specifically provided otherwise by this license, the licensee shall possess and use radioactive material described in Items 6, 7, 8 and 9 of this license in accordance with the statements, representations, and procedures contained in the documents listed below. The Department's regulations shall govern unless the statements, representations, and procedures in the licensee's application and correspondence are more restrictive than the regulation. (a) The license application, with attachments, dated March 29, 2019, and the letter, with attachments, dated July 24, 2019, both signed by Kreetha Mekchai, Radiation Safety Officer. 14. The Radiation Safety Officer in this program shall be Kreetha Mekchai. 15. Before radioactive materials may be used at a temporary job site at any federal facility, the jurisdictional status of the job site must be determined. If the jurisdictional status is unknown, the federal agency should be contacted to determine if the job site is under exclusive federal jurisdiction. A response shall be obtained in writing or a record made of the name and title of the person at the federal agency who provided the determination and the date that it was provided. Authorization for use of radioactive materials at the job sites under exclusive federal jurisdiction shall be obtained either by: (a) Filing an NRC Form-241 in accordance with the Code of Federal Regulations, Title 10, Part 150.20 (b), "Recognition of Agreement State Licenses", or (b) By applying for a specific NRC license. Before radioactive material can be used at a temporary job site in another State, authorization shall be obtained from the State if it is an Agreement State, or from the NRC for any non -Agreement State, either by filing for reciprocity or applying for a specific license. 16. Sealed sources contained in soil/asphalt gauges shall be tested for leakage and/or contamination at intervals not to exceed 12 months. 17. Quantitative analytical assays for the purpose of tests for leakage and/or contamination of sealed sources shall be performed only by persons specifically authorized to perform that service. 18. The following individuals are authorized to collect wipe test samples of sealed sources possessed under this license using leak test kits acceptable to the California Department of Public Health: (a) The Radiation Safety Officer (b) Qualified individuals designated in writing by the Radiation Safety Officer 19. Records of leak test results shall be kept in units of becquerels (microcuries) and maintained for inspection. Records may be disposed of following Department inspection. Any leak test revealing the presence of 185 Bq (0.005 µCi) or more of removable radioactive material shall be reported to the California Department of Public Health, Radiologic Health Branch MS 7610, P.O. Box 997414, Sacramento, CA 95899-7414, within five days of the test. This report shall include a description of the defective source or device, the results of the test, and the corrective action taken. 20. The licensee shall conduct a physical inventory every six months to account for all sealed sources and/or devices received and possessed under the license. Records of the inventories shall be maintained for inspection, and may be disposed of following Department inspection. 21. Maintenance and repair of soil/asphalt content gauges shall be performed only by persons specifically authorized to perform those services.