TM 5-6635-386-12&P b. Testers to be shipped or moved around, shall meet the requirements of Para 5-16 (Shipping Instructions). 4-21. AIR  DROP.  The  tester  is  not  authorized  for  air drop. 4-22. AIR TRANSPORTATION    a.  The  tester  is  not  authorized  for  shipment  on commercial passenger aircraft. Commercial air transportation is governed by DOT regulations. b.   The   tester   is   approved   for   air   transport   by helicopter,   fixed-wing   Army   aircraft,   Air   Force   aircraft, and    commercial    nonpassenger-carrying    aircraft    when shipped  in  accordance  with  TM  38250,  AR  385-11,  and applicable DOT and NRC regulations. SURVEYS AND TESTS 4-23. RADIATION SURVEYS. Radiation surveys shall be conducted at least quarterly. Records of surveys shall be maintained by the Radiological Protection Officer. A copy of  the  initial  survey,   while   the   tester   is   in   the   storage area, shall be provided to Commander, TACOM, ATTN: AMSTACZ.  A  closeout  radiation  survey  shall  be  made and documented for the tester storage location when the storage of the tester is terminated at that location. A copy of  this  survey  shall  be  provided  to  the  TACOM  Safety Office,   AMSTA-CZ.   The   surveys   shall   contain,   as   a minimum, the following information: a.  A  sketch  of  the  storage  area  showing  tester location and adjacent offices and buildings. b.  Recorded  radiation  levels  and  location  of  the survey readings. c. Distance from the tester to the survey location. d. Location of radiation caution signs. e.  Identification  of  the  instrument  used  to  make the  survey,  and  the  date  on  which  the  instrument  was calibrated. f. Name of the surveyor. g. Date of the survey. h. A statement attesting to the fact the documents specified in Para 4-19a have been posted. i. Any corrective actions required and accomplished. 4-24.  MINIMUM  REQUIREMENTS  FOR  SCHEDULED SURVEYS a.  Check  the  security  of  radiation  sources  and testers. b. Ensure that the area is posted in accordance with AR 385-30, Title 10 CFR Part 20 and Para 419a. c.     Ensure     that     personnel     comply     with     the radiation safety procedures. d.  Ensure  that  personnel  comply  with  the  SOP for safe handling of the tester and tester security. e.  When  a  tester  storage  area  is  relocated  or renovated,   perform   a   new   survey   in   accordance   with Para    4-23.    Furnish    a    copy    of    the    new    survey    to Commander, TACOM, ATTN: AMSTA-CZ. 4-25. RADIATION LEAK (WIPE) TEST a.  In  compliance  with  AR  385-11,  every  tester shall  be  tested  for  radiation  leakage  at  intervals  not  to exceed   six   months.   The   absence   of   a   certificate   of transfer, which would have indicated that a leak test had been   made   within   six   months   prior   to   transferring   a tester, mandates that the tester shall not be used until it has been tested. The leak test requirement applies to all testers,  both  in  use  and  in  storage.  See  Para  4-26  for leak test procedures. b. Tester users in the U. S.,Puerto Rico,Panama and  Korea  shall  receive  leak  test  kits  every  six  months, January and June. Units in these areas not receiving the kits    during    this    timeframe    shall    notify    Commander, TACOM, ATTN: AMSTA-CZ. c.  Leak  test  results  shall  be  maintained  by  the 4-7