WEBVTT 00:44.444 --> 00:47.361 (constant beeping) 01:14.733 --> 01:17.400 (upbeat music) 01:24.610 --> 01:26.910 - The purpose of this video is to provide information 01:26.910 --> 01:29.150 to address concerns you may have in regards 01:29.150 --> 01:31.070 to radiation exposure associated 01:31.070 --> 01:32.963 with Naval nuclear propulsion work. 01:35.180 --> 01:37.390 The maintenance of nuclear ships involves many people 01:37.390 --> 01:40.159 that work in or around radiological areas. 01:40.159 --> 01:42.890 Personnel that are authorized to work in these areas 01:42.890 --> 01:44.540 are specially trained. 01:44.540 --> 01:47.160 It is important that you are aware of the precautions taken 01:47.160 --> 01:48.853 when working around these areas. 01:49.690 --> 01:52.038 To make our radiological protection program complete, 01:52.038 --> 01:53.540 you must comply with 01:53.540 --> 01:57.350 all requirements concerning posted radiological areas. 01:57.350 --> 02:00.240 Radiation can not be detected by human senses. 02:00.240 --> 02:02.940 There are highly sensitive radiation detection instruments 02:02.940 --> 02:06.343 used to ensure radiological control measures are effective. 02:07.380 --> 02:09.410 By following the guidelines and directions you see 02:09.410 --> 02:11.397 in this presentation, you can feel confident 02:11.397 --> 02:14.210 that you will not be exposed to radiation levels above what 02:14.210 --> 02:17.193 you normally receive from natural background sources. 02:18.090 --> 02:20.216 We are all familiar with the radiation exposure received 02:20.216 --> 02:22.500 from x-ray equipment used by doctors 02:22.500 --> 02:24.332 and dentists to diagnose disease. 02:24.332 --> 02:27.000 Radiation and radioactive materials are also used 02:27.000 --> 02:28.403 to treat many diseases. 02:30.610 --> 02:33.730 One type of radiation known as cosmic rays originates 02:33.730 --> 02:35.560 from the sun and stars. 02:35.560 --> 02:38.170 These rays constantly pass through the Earth's atmosphere 02:38.170 --> 02:39.563 and penetrate our bodies. 02:40.960 --> 02:42.220 On earth, radium 02:42.220 --> 02:44.610 and other naturally occurring radioactive materials 02:44.610 --> 02:47.080 in the ground and even some carbon and potassium 02:47.080 --> 02:50.253 in our own bodies emit small amounts of radiation. 02:50.253 --> 02:52.840 (electronic dinging) 02:52.840 --> 02:54.100 Other sources of radiation 02:54.100 --> 02:56.040 in our everyday environment includes such things 02:56.040 --> 02:57.223 as smoke detectors. 02:58.930 --> 03:01.780 All people experienced continual exposure to radiation 03:01.780 --> 03:02.854 from the environment. 03:02.854 --> 03:04.880 The radiation environment of personnel 03:04.880 --> 03:07.480 outside radiological areas and outside the facility 03:07.480 --> 03:09.540 is not significantly affected 03:09.540 --> 03:11.693 by Naval nuclear propulsion program work. 03:13.530 --> 03:15.640 As a visitor, you are not trained and therefore, 03:15.640 --> 03:18.452 not authorized to work in any radiological area. 03:18.452 --> 03:21.513 You need to be able to recognize areas designated by signs 03:21.513 --> 03:23.934 or other radiological markings. 03:23.934 --> 03:26.852 This three bladed magenta propellor over a yellow background 03:26.852 --> 03:29.890 is the international symbol for radiation. 03:29.890 --> 03:32.560 It is used to designate areas where radioactive materials 03:32.560 --> 03:35.430 are located or where radiation is present. 03:35.430 --> 03:38.950 Do not enter any area posted with this symbol. 03:38.950 --> 03:41.439 Radiation areas are identified by the use of yellow 03:41.439 --> 03:44.178 and magenta rope or some type of physical barrier 03:44.178 --> 03:47.158 and are posted with radiation area signs. 03:47.158 --> 03:49.790 You should not enter these areas. 03:49.790 --> 03:52.500 Only radiological control personnel may move 03:52.500 --> 03:54.827 or alter radiation area boundaries. 03:54.827 --> 03:57.270 You must comply with all posted as well 03:57.270 --> 03:58.620 as verbal instructions given 03:58.620 --> 04:00.723 by radiological controls personnel. 04:03.410 --> 04:04.820 By recognizing the postings, 04:04.820 --> 04:06.700 you can stay out of these areas and be assured 04:06.700 --> 04:08.690 that you will not receive radiation exposure 04:08.690 --> 04:12.240 above the normal amounts received from natural background. 04:12.240 --> 04:14.870 The radiological controls office, code 105, 04:14.870 --> 04:16.560 is responsible to establish 04:16.560 --> 04:18.500 and enforce radiological controls. 04:18.500 --> 04:21.470 This office employs individuals who are qualified 04:21.470 --> 04:24.052 in the principles of radiation protection. 04:24.052 --> 04:27.623 Any questions you might have regarding radiological controls 04:27.623 --> 04:31.003 are to be directed to the radiological controls office.