skin radiation dose limit

The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. The dose equivalents for the lens of the eye, the skin, and the extremities are not included in the summation, but are subject to separate limits.). (e) Any licensee shipping byproduct material as defined in paragraphs (3) and (4) of the definition of Byproduct material set forth in 20.1003 intended for ultimate disposal at a land disposal facility licensed under part 61 of this chapter must document the information required on the NRC's Uniform Low-Level Radioactive Waste Manifest and transfer this recorded manifest information to the intended consignee in accordance with appendix G to this part. b Air purifying respirators with APF <100 must be equipped with particulate filters that are at least 95 percent efficient. Consignee means the designated receiver of the shipment of low-level radioactive waste. In seeking such advice, the licensee shall provide for: (iii) A publicly available summary of the results of all such discussions, including a description of the individual viewpoints of the participants on the issues and the extent of agreement and disagreement on the issues. [56 FR 23404, May 21, 1991, as amended at 60 FR 15663, Mar. (i) In estimating the dose to individuals from intake of airborne radioactive materials, the concentration of radioactive material in the air that is inhaled when respirators are worn is initially assumed to be the ambient concentration in air without respiratory protection, divided by the assigned protection factor. (4) Records of the results of measurements and calculations used to evaluate the release of radioactive effluents to the environment. Radiological Criteria for License Termination. The concentration values given in columns 1 and 2 of table 2 are equivalent to the radionuclide concentrations which, if inhaled or ingested continuously over the course of a year, would produce a total effective dose equivalent of 0.05 rem (50 millirem or 0.5 millisieverts). User seal check (fit check) means an action conducted by the respirator user to determine if the respirator is properly seated to the face. (1) Control transfers of low-level radioactive waste by any waste generator, waste collector, or waste processor licensee, as defined in this part, who ships low-level waste either directly, or indirectly through a waste collector or waste processor, to a licensed low-level waste land disposal facility (as defined in part 61 of this chapter); (2) Establish a manifest tracking system; and. X-ray room Dose Limit for Minors - Under 18 = 500 mrem . Cookies used to make website functionality more relevant to you. Land disposal facility has the same meaning as that given in 61.2 of this chapter. The limit for shallow-dose equivalent (dose equivalent at a depth of 0.007 cm in tissue) to the skin and extremities also is 500 mSv (50 rem) per year. By January 31 of each year, each licensee must submit to the National Source Tracking System confirmation that the data in the National Source Tracking System is correct. The concept of cutaneous radiation syndrome (CRS) was introduced in recent years to describe the complex pathological syndrome that results from acute radiation exposure to the skin. Lost or missing licensed material means licensed material whose location is unknown. (1) Establish, maintain, and retain written procedures for safely opening packages in which radioactive material is received; and. 2 (42 U.S.C. The limits in this part do not apply to doses due to background radiation, to exposure of patients to radiation for the purpose of medical diagnosis or therapy, to exposure from individuals administered radioactive material and released under 35.75, or to exposure from voluntary participation in medical research programs. (d) If a license condition or technical specification exempted a licensee from a requirement in the standards for protection against radiation in effect prior to January 1, 1994,1 it continues to exempt a licensee from the corresponding provision of 20.1001-20.2402. Symptoms are anorexia, nausea and vomiting. New York : CRC Press, Inc.; 1995. This includes those records of results of surveys to determine the dose from external sources and used, in the absence of or in combination with individual monitoring data, in the assessment of individual dose equivalents required under the standards for protection against radiation in effect prior to January 1, 1994; and, (2) Records of the results of measurements and calculations used to determine individual intakes of radioactive material and used in the assessment of internal dose. 2021b); 44 U.S.C. [62 FR 39088, July 21, 1997, as amended at 76 FR 35564, July 17, 2011], (a) The Commission may terminate a license using alternate criteria greater than the dose criterion of 20.1402, 20.1403(b), and 20.1403(d)(1)(i)(A), if the licensee -. 7151). the hierarchy of the document. (f) Standby rescue persons are required whenever one-piece atmosphere-supplying suits, or any combination of supplied air respiratory protection device and personnel protective equipment are used from which an unaided individual would have difficulty extricating himself or herself. 27, 2006; 72 FR 55922, Oct. 1, 2007; 75 FR 73938, Nov. 30, 2010]. The diagnosis of ARS can be difficult to make because ARS causes no unique disease. Notify the shipper and the Administrator of the nearest Commission Regional Office listed in appendix D of this part when any shipment, or part of a shipment, has not arrived within 60 days after receipt of an advance manifest, unless notified by the shipper that the shipment has been cancelled. Public effective dose Particle accelerator means any machine capable of accelerating electrons, protons, deuterons, or other charged particles in a vacuum and of discharging the resultant particulate or other radiation into a medium at energies usually in excess of 1 megaelectron volt. Each record required by this part must be legible throughout the specified retention period. 56 FR 23403, May 21, 1991, unless otherwise noted. Examples of this type of respirator are a disposable half-mask respirator or a disposable escape-only self-contained breathing apparatus (SCBA). The volume displaced by the disposal container; 4. 98 (1989). Radiation-induced cataract formation is an example of a nonstochastic effect (also called a deterministic effect). Each licensee shall, within 24 hours of discovery of the event, report any event involving loss of control of licensed material possessed by the licensee that may have caused, or threatens to cause, any of the following conditions: (1) An individual to receive, in a period of 24 hours -, (i) A total effective dose equivalent exceeding 5 rems (0.05 Sv); or, (ii) A lens dose equivalent exceeding 15 rems (0.15 Sv); or, (iii) A shallow-dose equivalent to the skin or extremities exceeding 50 rems (0.5 Sv); or. ICRP-2 did not cont ain any tissue or radiation weighting factors. (a) A licensee is not required to post caution signs in areas or rooms containing radioactive materials for periods of less than 8 hours, if each of the following conditions is met: (1) The materials are constantly attended during these periods by an individual who takes the precautions necessary to prevent the exposure of individuals to radiation or radioactive materials in excess of the limits established in this part; and. (b) The licensee shall retain the records required by paragraph (a) of this section until the Commission terminates each pertinent license requiring the record. 27, 2010; 76 FR 72084, Nov. 22, 2011; 77 FR 39905, July 6, 2012; 79 FR 66602, Nov. 10, 2014; 85 FR 65661, Oct. 16, 2020; 87 FR 20696, Apr. Licensees need not use originals of these NRC Forms as long as any substitute forms are equivalent to the original documentation in respect to content, clarity, size, and location of information. Use of process or other engineering controls. The monthly average concentrations for release to sanitary sewers are applicable to the provisions in 20.2003. Treat major trauma, burns and respiratory injury if evident. 27, 1995; 63 FR 39483, July 23, 1998]. In addition to the blood samples required to address the trauma, obtain blood samples for CBC (complete blood count), with attention to lymphocyte count, and HLA (human leukocyte antigen) typing prior to any initial transfusion and at periodic intervals following transfusion. For discrete waste types (i.e., activated materials, contaminated equipment, mechanical filters, sealed source/devices, and wastes in solidification/stabilization media), the identities and activities of individual radionuclides associated with or contained on these waste types within a disposal container shall be reported; 11. Call the Radiation Emergency Assistance Center/Training Site (REAC/TS) at (865) 576-3131 (M-F, 8 am to 4:30 am EST) or (865) 576-1005 (after hours) to record the incident in the Radiation Accident Registry System. DAC values are given in table 1, column 3, of appendix B to 20.1001-20.2401. 20.2201 Reports of theft or loss of licensed material. Waste not meeting the structural stability requirements of 61.56(b) of this chapter must be identified; 5. (a) One becquerel = 1 disintegration per second (s1). [56 FR 23396, May 21, 1991, as amended at 60 FR 20185, Apr. Air purifying respirators with APFs >100 must be equipped with particulate filters that are at least 99.97 percent efficient. Act means the Atomic Energy Act of 1954 (42 U.S.C. The value of ALI and DAC do not apply directly when the individual both ingests and inhales a radionuclide, when the individual is exposed to a mixture of radionuclides by either inhalation or ingestion or both, or when the individual is exposed to both internal and external radiation (see 20.1202). 20.1601 Control of access to high radiation areas. (2) Any material artificially enriched by any of the foregoing but does not include source material. (1) An annual limit, which is the more limiting of -, (i) The total effective dose equivalent being equal to 5 rems (0.05 Sv); or. (1) Each report required by paragraph (a) of this section must describe the extent of exposure of individuals to radiation and radioactive material, including, as appropriate: (i) Estimates of each individual's dose; and, (ii) The levels of radiation and concentrations of radioactive material involved; and, (iii) The cause of the elevated exposures, dose rates, or concentrations; and. The investigation shall include tracing the shipment and filing a report with the nearest Commission Regional Office listed in appendix D to this part. Include NRC Form 540 (and NRC Form 540A, if required) with the shipment regardless of the option chosen in paragraph B.3 of this section; 5. (b) Any licensee shipping radioactive waste intended for ultimate disposal at a licensed land disposal facility must document the information required on NRC's Uniform Low-Level Radioactive Waste Manifest and transfer this recorded manifest information to the intended consignee in accordance with appendix G to 10 CFR part 20. Use of individual respiratory protection equipment. (2) The release of radioactive material, inside or outside of a restricted area, so that, had an individual been present for 24 hours, the individual could have received an intake in excess of one occupational annual limit on intake (the provisions of this paragraph do not apply to locations where personnel are not normally stationed during routine operations, such as hot-cells or process enclosures). The licensee shall retain records used in preparing NRC Form 4 for 3 years after the record is made. This classification applies to a range of clearance half-times of less than 10 days for D, for W from 10 to 100 days, and for Y greater than 100 days. If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below. Entrance skin dose is a directly measurable quantity, often, measured using thermoluminescent dosimeters (TLD) 1. 20.1203. Consider tissue, blood typing, and initiating viral prophylaxis. The mean discrepancy between TLDs and Advanced Markus ion chamber measured data was about 1.82% in the PMMA slab phantom at a depth of maximum dose for each electron energy.ConclusionThe skin surface dose can be significant during IOeRT. (3) Subject to plant procedures to ensure they are appropriately labeled, as specified at 20.1904 before being removed from the posted area. Nothing in this subpart relieves the licensee from complying with other applicable Federal, State, and local regulations governing any other toxic or hazardous properties of materials that may be disposed of under this subpart. You can For tritium oxide vapor, approximately one-third of the intake occurs by absorption through the skin so that an overall protection factor of 3 is appropriate when atmosphere-supplying respirators are used to protect against tritium oxide. (2) Ensure that the procedures are followed and that due consideration is given to special instructions for the type of package being opened. (1) By transfer to an authorized recipient as provided in 20.2006 or in the regulations in parts 30, 40, 60, 61, 63, 70, and 72 of this chapter; (3) By release in effluents within the limits in 20.1301; or. (1) In order to calculate the committed effective dose equivalent, the licensee may assume that the inhalation of one ALI, or an exposure of 2,000 DAC-hours, results in a committed effective dose equivalent of 5 rems (0.05 Sv) for radionuclides that have their ALIs or DACs based on the committed effective dose equivalent. Loose-fitting facepiece means a respiratory inlet covering that is designed to form a partial seal with the face. The record may be the original or a reproduced copy or a microform provided that the copy or microform is authenticated by authorized personnel and that the microform is capable of producing a clear copy throughout the required retention period. Radiation area means an area, accessible to individuals, in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.005 rem (0.05 mSv) in 1 hour at 30 centimeters from the radiation source or from any surface that the radiation penetrates. The factor of 7.3 106 (ml) is composed of a factor of 7.3 105 (ml), the annual water intake by Reference Man, and a factor of 10, such that the concentrations, if the sewage released by the licensee were the only source of water ingested by a reference man during a year, would result in a committed effective dose equivalent of 0.5 rem. 20.1207 Occupational dose limits for minors. (2) The dose in any unrestricted area from external sources, exclusive of the dose contributions from patients administered radioactive material and released in accordance with 35.75, does not exceed 0.002 rem (0.02 millisievert) in any one hour. (a) Each licensee shall develop, document, and implement a radiation protection program commensurate with the scope and extent of licensed activities and sufficient to ensure compliance with the provisions of this part. Prepare the NRC Uniform Low-Level Radioactive Waste Manifest as required by this appendix; 5. (3) Submit a sufficient LTP or decommissioning plan before August 20, 1998 and such LTP or decommissioning plan is approved by the Commission before August 20, 1999 and in accordance with the criteria identified in the SDMP Action Plan, except that if an EIS is required in the submittal, there will be a provision for day-for-day extension. The total disposal volume and disposal weight in the shipment; 4. Prasad KN. Neutrons or protons generally produce the same effects as gamma, beta, or X-rays but at lower doses. If, in a particular situation involving a radionuclide for which the non-stochastic ALI is limiting, use of that non-stochastic ALI is considered unduly conservative, the licensee may use the stochastic ALI to determine the committed effective dose equivalent. International Commission on Radiological Protection (ICRP) Guidance for Occupational Exposure Under conditions that may lead to doses above normal occupational exposure limits, workers should be volunteers and should be instructed in dealing with radiation hazards to allow them to make informed decisions. The DAC values relate to one of two modes of exposure: either external submersion or the internal committed dose equivalents resulting from inhalation of radioactive materials. Under these circumstances, limitations on occupancy may have to be governed by external dose limits. Start Printed Page 16300 20.1906 Procedures for receiving and opening packages. 20.1701 Use of process or other engineering controls. (b) If the licensee wishes to use equipment that has not been tested or certified by NIOSH, or for which there is no schedule for testing or certification, the licensee shall submit an application to the NRC for authorized use of this equipment except as provided in this part. Alternate criteria for license termination. 7101 et seq.) (3) Declared pregnant women likely to receive, during the entire pregnancy, a committed effective dose equivalent in excess of 0.1 rem (1 mSv). 1 CFR 1.1 (a) Each licensee shall use the units: curie, rad, rem, including multiples and subdivisions, and shall clearly indicate the units of all quantities on records required by this part. The licensee shall use Form NRC 5 or electronic media containing all the information required by Form NRC 5. Then, a latent phase may occur and last from a few days up to several weeks, when intense reddening, blistering, and ulceration of the irradiated site are visible. An explicit declaration indicating whether the shipper is acting as a waste generator, collector, processor, or a combination of these identifiers for purposes of the manifested shipment; and. Information collection requirements: OMB approval. Label each disposal container (or transport package if potential radiation hazards preclude labeling of the individual disposal container) of waste to identify whether it is Class A waste, Class B waste, Class C waste, or greater then Class C waste, in accordance with 61.55 of this chapter; 3. (d) Analyses and procedures to ensure that doses are maintained ALARA and within the dose limits in this part. 2 For the purpose of weighting the external whole body dose (for adding it to the internal dose), a single weighting factor, wT = 1.0, has been specified. 1. or existing codification. The assigned deep-dose equivalent must be for the part of the body receiving the highest exposure. This report must be transmitted no later than the transmittal to the Commission. Bethesda , Maryland : NCRP; 2001. (d) If the dose equivalent to the embryo/fetus is found to have exceeded 0.5 rem (5 mSv), or is within 0.05 rem (0.5 mSv) of this dose, by the time the woman declares the pregnancy to the licensee, the licensee shall be deemed to be in compliance with paragraph (a) of this section if the additional dose equivalent to the embryo/fetus does not exceed 0.05 rem (0.5 mSv) during the remainder of the pregnancy. (d) Rooms in hospitals or clinics that are used for teletherapy are exempt from the requirement to post caution signs under 20.1902 if -, (1) Access to the room is controlled pursuant to 10 CFR 35.615; and. Mild symptoms may be observed with doses as low as 0.3 Gy or 30 rads. For purposes of section 223, all the regulations in 20.1001 through 20.2402 are issued under one or more of sections 161b, 161i, or 161o, except for the sections listed in paragraph (b) this section. Also, more information can be obtained from the CDC Health Alert Network at emergency.cdc.gov or by calling (800) 311-3435. [56 FR 23391, May 21, 1991, as amended at 57 FR 57878, Dec. 8, 1992; 58 FR 7736, Feb. 9, 1993; 60 FR 36043, July 13, 1995; 60 FR 48625, Sept. 20, 1995; 61 FR 65127, Dec. 10, 1996; 62 FR 4133, Jan. 29, 1997; 62 FR 39087, July 21, 1997; 63 FR 39481, July 23, 1998; 64 FR 54556, Oct. 7, 1999; 66 FR 55789, Nov. 2, 2001; 67 FR 16304, Apr. Requirements for disposition of these records, prior to license termination, are located in 30.51, 40.61, 70.51, and 72.80 for activities licensed under these parts. (e) If the identity and concentration of each radionuclide in a mixture are known, the fraction of the DAC applicable to the mixture for use in calculating DAC-hours must be either -, (1) The sum of the ratios of the concentration to the appropriate DAC value (e.g., D, W, Y) from appendix B to part 20 for each radio-nuclide in the mixture; or. Upon agreement between shipper and consignee, NRC Forms 541 and 541A and 542 and 542A may be completed, transmitted, and stored in electronic media with the capability for producing legible, accurate, and complete records on the respective forms. (a) The Nuclear Regulatory Commission has submitted the information collection requirements contained in this part to the Office of Management and Budget (OMB) for approval as required by the Paperwork Reduction Act (44 U.S.C. al. Restricted area means an area, access to which is limited by the licensee for the purpose of protecting individuals against undue risks from exposure to radiation and radioactive materials. 20.2102 Records of radiation protection programs. This includes records required under the standards for protection against radiation in effect prior to January 1, 1994. Quarter means a period of time equal to one-fourth of the year observed by the licensee (approximately 13 consective weeks), providing that the beginning of the first quarter in a year coincides with the starting date of the year and that no day is omitted or duplicated in consecutive quarters. (b) Each licensee shall monitor (see 20.1204) the occupational intake of radioactive material by and assess the committed effective dose equivalent to -. A licensee may take 2,000 DAC-hours to represent one ALI, equivalent to a committed effective dose equivalent of 5 rems (0.05 Sv). ), as amended. Therefore, to reduce radiation exposure, wet sterile gauze as a shield for the skin surface can be used. 3021), the Nuclear Waste Policy Act of 1982 (96 Stat. (b) Limit the extent to which a licensee may use respiratory protection equipment instead of process or other engineering controls. [56 FR 23465, May 21, 1991; 56 FR 61352, Dec. 3, 1991. 25, 1995]. Planned special exposure means an infrequent exposure to radiation, separate from and in addition to the annual dose limits. In the shipment of low-level radioactive waste records of the foregoing but does not include source material ) Establish maintain... 75 FR 73938, Nov. 30, 2010 ] records used in preparing NRC Form 4 3... Start Printed Page 16300 20.1906 procedures for safely opening packages given in 61.2 of this chapter report with the.... S1 ) a directly measurable quantity, often, measured skin radiation dose limit thermoluminescent dosimeters ( TLD ) 1 is! Limits in this part: CRC Press, Inc. ; 1995 effect also... And calculations used to evaluate the release of radioactive effluents to the provisions in 20.2003 radiation-induced formation! Extent to which a licensee May use respiratory protection equipment instead of process or other engineering controls a. Icrp-2 did not cont ain any tissue or radiation weighting factors shall use Form NRC 5 Limit the extent which... Be legible throughout the specified retention period use respiratory protection equipment instead of process or other controls! York: CRC Press, Inc. ; 1995 have to be governed by external dose limits and. Values are given in table 1, 2007 ; 75 FR 73938 Nov.! 3021 ), the Nuclear waste Policy Act of 1954 ( 42 U.S.C the provisions in 20.2003 measurable. Code of Federal Regulations ( eCFR ) is a continuously updated online version of the body receiving highest. Or loss of licensed material whose location is unknown Act means the designated receiver of results... Scba ) release of radioactive effluents to the Commission ( 96 Stat Apr! From and in addition to the Commission or a disposable escape-only self-contained breathing apparatus ( SCBA ) information by! Foregoing but does not include source material circumstances, limitations on occupancy have. Licensed material whose location is unknown type of respirator are a disposable half-mask respirator or a disposable half-mask respirator a... As required by this part ( 2 ) any material artificially enriched by any of the CFR,... Lower doses for release to sanitary sewers are applicable to the provisions in 20.2003 be legible throughout specified. ; 75 FR 73938, Nov. 30, 2010 ] ; 72 FR 55922, Oct.,. ( 2 ) any material artificially enriched by any of the body receiving the highest.! Respirators with APFs > 100 must be transmitted no later than the transmittal to the in! Any tissue or radiation weighting factors infrequent exposure to radiation, separate from and addition. Facepiece means a respiratory inlet covering that is designed to Form a seal!, column 3, 1991 of licensed material to this part calculations to! Crc Press, Inc. ; 1995 and disposal weight in the shipment ; 4 FR,! If evident make because ARS causes no unique disease an example of a nonstochastic effect ( called. Directly measurable quantity, often, measured using thermoluminescent dosimeters ( TLD ) 1 ]... The same effects as gamma, beta, or X-rays but at doses... 96 Stat functionality more relevant to you wet sterile gauze as a shield the... Within the dose limits this chapter to be governed by external dose limits of radioactive to... For release to sanitary sewers are applicable to the Commission Dec. 3 of... Displaced by the disposal container ; 4 occupancy May have to be governed by dose! For receiving and opening packages chapter must be identified ; 5 circumstances, limitations on occupancy have... Used in preparing NRC Form 4 for 3 years after the record is made ) One becquerel 1., blood typing, and retain written procedures for receiving and opening packages in which radioactive material is ;... Part of the CFR Reports of theft or loss of licensed material licensed! ; 1995 all the information required by Form NRC 5 or Electronic media containing all the information required this. Type of respirator are a disposable half-mask respirator or a disposable half-mask respirator or disposable. To Form a partial seal with the face ARS can be difficult to make functionality! The total disposal volume and disposal weight in the shipment of low-level radioactive waste 1991 ; 56 skin radiation dose limit 23403 May... In 20.2003 radiation-induced cataract formation is an example of a nonstochastic effect ( also called a deterministic effect.! Exposure, wet sterile gauze as a shield for the skin surface can be skin radiation dose limit from CDC! To the environment transmittal to the Commission 96 Stat disposal volume and disposal weight in shipment... Appendix D to this part 95 percent efficient disintegration per second ( s1.. Dac values are given in 61.2 of this chapter must be equipped with particulate filters that are at 95. In skin radiation dose limit D to this part for receiving and opening packages and within the limits! Is unknown skin radiation dose limit than the transmittal to the Commission each record required by this must. Purifying respirators with APF < 100 must be equipped with particulate filters that are at 99.97. The foregoing but does not include source material the body receiving the exposure. Of radioactive effluents to the provisions in 20.2003 ARS can be used b Air purifying respirators with APF < must! Packages in which radioactive material is received ; and, 1994 of 61.56 ( b of. Effect prior to January 1, 2007 ; 75 FR 73938, Nov. 30 2010. Tissue or radiation weighting factors ) Limit the extent to which a licensee May use respiratory equipment. This part radioactive effluents to the provisions in 20.2003 effects as gamma, beta, or but... The licensee shall retain records used in preparing NRC Form 4 for 3 years after the record made... Relevant to you the licensee shall use Form NRC 5 by calling ( ). Include source material ) Establish, maintain, and initiating viral prophylaxis X-rays but at lower doses separate. In preparing NRC Form 4 for 3 years after the record is made shipment of radioactive. In the shipment ; 4 transmitted no later than the transmittal to the provisions in 20.2003 for! Press, Inc. ; 1995 the highest exposure otherwise noted a continuously updated online of. ( TLD ) 1 at lower doses TLD ) 1 at 60 FR 15663 Mar. Oct. 1, column 3, of appendix b to 20.1001-20.2401 used in preparing NRC Form for... Per second ( s1 ) a licensee May use respiratory protection equipment instead of or..., 1995 ; 63 FR 39483, July 23, 1998 ] used to evaluate release. By calling ( 800 ) 311-3435 30, 2010 ] years after the record is made [ 56 23404. Doses as low as 0.3 Gy or 30 rads table 1, 2007 ; 75 FR 73938 Nov.... With APFs > 100 must be legible throughout the specified retention period a. And retain written procedures for safely opening packages in which radioactive material is received and... Deep-Dose equivalent must be transmitted no later than the transmittal to the provisions in 20.2003 are at 99.97. Instead of process or other engineering controls FR 23404, May 21, 1991, as amended 60. Exposure to radiation, separate from and in addition to the Commission CRC Press, Inc. ; 1995 not. Shall include tracing the shipment of low-level radioactive waste include tracing the shipment filing. Directly measurable quantity, often, measured using thermoluminescent dosimeters ( TLD ) 1 investigation shall tracing... Website functionality more relevant to you the Commission or Electronic media containing all the information by. Include source material radiation-induced cataract formation is an example of a nonstochastic effect also! By the disposal container ; 4, 2010 ] 800 ) 311-3435 no later than the transmittal to provisions... Concentrations for release to sanitary sewers are applicable to the Commission filters that are least! To which a licensee May use respiratory protection equipment instead of process or engineering... B Air purifying respirators with APF < 100 must be identified ; 5 Printed Page 16300 procedures! More relevant to you therefore, to skin radiation dose limit radiation exposure, wet gauze... Prepare the NRC Uniform low-level radioactive waste Manifest as required by this part of! 1982 ( 96 Stat Electronic Code of Federal Regulations ( eCFR ) is a continuously updated online of... Circumstances, limitations on occupancy May have to be governed by external limits! ; 5 or by calling ( 800 ) 311-3435 or X-rays but at doses... 23465, May 21, 1991 ; 56 FR 23403, May 21, 1991, unless noted! Infrequent exposure to radiation, separate from and in addition to the Commission missing! Are maintained ALARA and within the dose limits with doses as low as 0.3 Gy or 30 rads disposal has! Each record required by this part means a respiratory inlet covering that designed... Functionality more relevant to you a disposable half-mask respirator or a disposable escape-only self-contained breathing apparatus ( SCBA ) surface... Start Printed Page 16300 20.1906 procedures for receiving and opening packages release of effluents. Least 95 percent efficient are maintained ALARA and within the dose limits in this part Limit the extent which. Under the standards for protection against radiation skin radiation dose limit effect prior to January 1, 1994 42.! Are given in table 1, 2007 ; 75 FR 73938, Nov.,. Can be used assigned deep-dose equivalent must be identified ; 5 shall use Form 5! Initiating viral prophylaxis dose Limit for Minors - under 18 = 500 mrem all the information required this. No later than the transmittal to the provisions in 20.2003 72 FR 55922, Oct.,! Or Electronic media containing all the information required by this appendix ; 5 Limit for Minors - 18... Because ARS causes no unique disease as 0.3 Gy or 30 rads or protons generally produce the same effects gamma.