UNITED STATES NUCLEAR REGULATORY COMMISSION Office of Federal and State Materials and Environmental Management Programs WASHINGTON, DC 20555 - 0001 February 1, 2013 Docket No. 030-38595 License No. 34-35023-xxE Mail Control 579545 David Lacey, CSP Northrop Grumman Corporation - Xetron 460 West Crescentville Rd Cincinnati, OH 45246 SUBJECT: NORTHROP GRUMMAN CORPORATION – XETRON, REQUEST FOR ADDITIONAL INFORMATION CONCERNING APPLICATION FOR A NEW LICENSE Dear Mr. Lacey: This refers to your response, dated January 24, 2013, to our letter regarding your new license application request. In order to continue our review, we need the following additional information: 1. Please submit a copy of your State of Ohio license as soon as possible. Without a possession license, we cannot issue you an Exempt Distribution License. 2. In our last letter, dated January 8, 2013, we asked for information regarding the radiation level and the method of measurement for the products. Item # 4 (1) in your response, dated January 24, 2013, stated that “the radiation level will be < 0.01 µCi’s from the source.” Please clarify how you measured the radiation level, and how you converted the radiation level measured to µCi units. 3. Item #4 (2) in your response stated that “Each device will contain < 0.01 µCi’s at the source;” and Item #3 in your response stated that “The quantity of Co60 has been modified to indicate that there will not be more that 1 µCi;” Additionally, your application, dated October 18, 2012, Page 3, section 6.2 shows that the sources Na-22, Cs-137 and Mn-54 are smaller (<) than 5 µCi (< 5 µCi). Please clarify what activity the sources to be used in your devices, will actually have: < 5 µCi or < 0.01 µCi? We will continue our review upon receipt of this information. If we do not receive a reply from you within 10 calendar days from the date of this letter, we will assume that you do not wish to pursue your application. D. Lacey Northrop Grumman Electronic Systems - Xetron 2 In accordance with 10 CFR 2.390 of NRC’s “Rules of Practice,” a copy of this letter will be available electronically for public inspection in NRC’s Public Document Room or from the Publicly Available Records (PARS) component of NRC’s document system (ADAMS). ADAMS is accessible from the NRC web site at http://www.nrc.gov/NRC/ADAMS/index.html (the Public Electronic Reading Room). If you have any questions, please feel free to contact me at (301) 415-7640 or by Email at [email protected]. Sincerely, /RA/ Shirley Xu, License Branch Division of Materials Safety and State Agreements Office of Federal and State Materials and Environmental Management Programs D. Lacey Northrop Grumman Electronic Systems - Xetron 3 In accordance with 10 CFR 2.390 of NRC’s “Rules of Practice,” a copy of this letter will be available electronically for public inspection in NRC’s Public Document Room or from the Publicly Available Records (PARS) component of NRC’s document system (ADAMS). ADAMS is accessible from the NRC web site at http://www.nrc.gov/NRC/ADAMS/index.html (the Public Electronic Reading Room). If you have any questions, please feel free to contact me at (301) 415-7640 or by Email at [email protected]. Sincerely, /RA/ Shirley Xu, License Branch Division of Materials Safety and State Agreements Office of Federal and State Materials and Environmental Management Programs DOCUMENT NAME: P:\E licenses\Northrop Grumman - new\Second RAI Letter Northrop 02012013.docx SUNSI Review Complete: SXu After declaring this document AAn Official Agency Record@ it will be released to the Public. To receive a copy of this document, indicate in the box: AC@ = Copy w/o attach/encl AE@ = Copy w/ attach/encl AN@ = No copy OFFICE FSME/LB N FSME/SAISB FSME/SAISB NAME SXu DATE 02/ 01 /2013 OFFICIAL RECORD COPY .