[Code of Federal Regulations]
[Title 10, Volume 1]
[Revised as of January 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR31.5]

[Page 488-491]
 
                            TITLE 10--ENERGY
 
                CHAPTER I--NUCLEAR REGULATORY COMMISSION
 
PART 31--GENERAL DOMESTIC LICENSES FOR BYPRODUCT MATERIAL--Table of Contents
 
Sec. 31.5  Certain measuring, gauging or controlling devices.\2\

    (a) A general license is hereby issued to commercial and industrial 
firms and research, educational and medical institutions, individuals in 
the conduct of their business, and Federal, State or local government 
agencies to acquire, receive, possess, use or transfer, in accordance 
with the provisions of paragraphs (b), (c) and (d) of this section, 
byproduct material contained in devices designed and manufactured for 
the purpose of detecting, measuring, gauging or controlling thickness, 
density, level, interface location, radiation, leakage, or qualitative 
or quantitative chemical composition, or for producing light or an 
ionized atmosphere.
---------------------------------------------------------------------------

    \2\ Persons possessing byproduct material in devices under the 
general license in Sec. 31.5 before Jan. 15, 1975, may continue to 
possess, use or transfer that material in accordance with the 
requirements of Sec. 31.5 in effect on Jan. 14, 1975.
---------------------------------------------------------------------------

    (b) The general license in paragraph (a) of this section applies 
only to byproduct material contained in devices which have been 
manufactured or initially transferred and labeled in accordance with the 
specifications contained in a specific license issued pursuant to 
Sec. 32.51 of this chapter or in accordance with the specifications 
contained in a specific license issued by an Agreement State which 
authorizes distribution of the devices to persons generally licensed by 
the Agreement State.
    (c) Any person who acquires, receives, possesses, uses or transfers 
byproduct material in a device pursuant to the general license in 
paragraph (a) of this section:
    (1) Shall assure that all labels affixed to the device at the time 
of receipt and bearing a statement that removal of the label is 
prohibited are maintained thereon and shall comply with all instructions 
and precautions provided by such labels;
    (2) Shall assure that the device is tested for leakage of 
radioactive material and proper operation of the on-off mechanism and 
indicator, if any, at no longer than six-month intervals or at such 
other intervals as are specified in the label; however:
    (i) Devices containing only krypton need not be tested for leakage 
of radioactive material, and
    (ii) Devices containing only tritium or not more than 100 
microcuries of other beta and/or gamma emitting material or 10 
microcuries of alpha emitting material and devices held in storage in 
the original shipping container prior to initial installation need not 
be tested for any purpose;
    (3) Shall assure that the tests required by paragraph (c)(2) of this 
section and other testing, installation, servicing, and removal from 
installation involving the radioactive materials, its shielding or 
containment, are performed:
    (i) In accordance with the instructions provided by the labels; or
    (ii) By a person holding a specific license pursuant to parts 30 and 
32 of this chapter or from an Agreement State to perform such 
activities;
    (4) Shall maintain records showing compliance with the requirements 
of paragraphs (c)(2) and (c)(3) of this section. The records must show 
the results of tests. The records also must show the dates of 
performance of, and the names of persons performing, testing, 
installing, servicing, and removing from the installation radioactive 
material and its shielding or containment. The licensee shall retain 
these records as follows:
    (i) Each record of a test for leakage or radioactive material 
required by paragraph (c)(2) of this section must be retained for three 
years after the next required leak test is performed or until the sealed 
source is transferred or disposed of.
    (ii) Each record of a test of the on-off mechanism and indicator 
required by

[[Page 489]]

paragraph (c)(2) of this section must be retained for three years after 
the next required test of the on-off mechanism and indicator is 
performed or until the sealed source is transferred or disposed of.
    (iii) Each record that is required by paragraph (c)(3) of this 
section must be retained for three years from the date of the recorded 
event or until the device is transferred or disposed of.
    (5) Upon the occurrence of a failure of or damage to, or any 
indication of a possible failure of or damage to, the shielding of the 
radioactive material or the on-off mechanism or indicator, or upon the 
detection of 0.005 microcurie or more removable radioactive material, 
shall immediately suspend operation of the device until it has been 
repaired by the manufacturer or other person holding a specific license 
pursuant to parts 30 and 32 of this chapter or from an Agreement State 
to repair such devices, or disposed of by transfer to a person 
authorized by a specific license to receive the byproduct material 
contained in the device and, within 30 days, furnish to the 
Administrator of the appropriate Nuclear Regulatory Commission, Regional 
Office listed in appendix D of part 20 of this chapter, a report 
containing a brief description of the event and the remedial action 
taken;
    (6) Shall not abandon the device containing byproduct material;
    (7) Shall not export the device containing byproduct material except 
in accordance with part 110 of this chapter;
    (8) Except as provided in paragraph (c)(9) of this section, shall 
transfer or dispose of the device containing byproduct material only by 
transfer to persons holding a specific license pursuant to parts 30 and 
32 of this chapter or from an Agreement State to receive the device and 
within 30 days after transfer of a device to a specific licensee shall 
furnish to the Director of Nuclear Material Safety and Safeguards, U.S. 
Nuclear Regulatory Commission, Washington, DC 20555 a report containing 
identification of the device by manufacturer's name and model number and 
the name and address of the person receiving the device. No report is 
required if the device is transferred to the specific licensee in order 
to obtain a replacement device;
    (9) Shall transfer the device to another general licensee only:
    (i) Where the device remains in use at a particular location. In 
such case the transferor shall give the transferee a copy of this 
section and any safety documents identified in the label of the device 
and within 30 days of the transfer, report to the Director of Nuclear 
Material Safety and Safeguards, U.S. Nuclear Regulatory Commission, 
Washington, DC 20555, the manufacturer's name and model number of device 
transferred, the name and address of the transferee, and the name and/or 
position of an individual who may constitute a point of contact between 
the Commission and the transferee; or
    (ii) Where the device is held in storage in the original shipping 
container at its intended location of use prior to initial use by a 
general licensee.
    (10) Shall comply with the provisions of Secs. 20.2201, and 20.2202 
of this chapter for reporting radiation incidents, theft or loss of 
licensed material, but shall be exempt from the other requirements of 
parts 19, 20, and 21, of this chapter.
    (11) Shall respond to written requests from the Nuclear Regulatory 
Commission to provide information relating to the general license within 
30 calendar days of the date of the request, or other time specified in 
the request. If the general licensee cannot provide the requested 
information within the allotted time, it shall, within that same time 
period, request a longer period to supply the information by submitting 
a letter to the Director, Office of Nuclear Material Safety and 
Safeguards, U.S. Nuclear Regulatory Commission, Washington, DC 20555-
0001 and provide written justification as to why it cannot comply.
    (d) The general license in paragraph (a) of this section does not 
authorize the manufacture or import of devices containing byproduct 
material.

[39 FR 43532, Dec. 16, 1974, as amended at 40 FR 8785, Mar. 3, 1975; 40 
FR 14085, Mar. 28, 1975; 42 FR 25721, May 19, 1977; 42 FR 28896, June 6, 
1977; 43 FR 6922, Feb. 17, 1978; 53 FR 19246, May 27, 1988; 56 FR 23471, 
May 21, 1991; 56 FR 61352, Dec. 3, 1991; 58 FR 67659, Dec. 22, 1993; 64 
FR 42275, Aug. 4, 1999]

[[Page 490]]


    Effective Date Note: At 65 FR 79188, Dec. 18, 2000, in Sec. 31.5, 
the heading and paragraphs (b), (c)(5), (c)(8), and (c)(9) were revised 
and paragraphs (c)(12), (13), (14), and (15) were added, effective Feb. 
16, 2001. For the convenience of the user, the added and revised text is 
set forth as follows:

Sec. 31.5  Certain detecting, measuring, gauging, or controlling devices 
          and certain devices for producing light or an ionized 
          atmosphere.\2\

                                * * * * *

    (b)(1) The general license in paragraph (a) of this section applies 
only to byproduct material contained in devices which have been 
manufactured or initially transferred and labeled in accordance with the 
specifications contained in--
    (i) A specific license issued under Sec. 32.51 of this chapter; or
    (ii) An equivalent specific license issued by an Agreement State.
    (2) The devices must have been received from one of the specific 
licensees described in paragraph (b)(1) of this section or through a 
transfer made under paragraph (c)(9) of this section.
    (c) * * *

                                * * * * *

    (5) Shall immediately suspend operation of the device if there is a 
failure of, or damage to, or any indication of a possible failure of or 
damage to, the shielding of the radioactive material or the on-off 
mechanism or indicator, or upon the detection of 185 bequerel (0.005 
microcurie) or more removable radioactive material. The device may not 
be operated until it has been repaired by the manufacturer or other 
person holding a specific license to repair such devices that was issued 
under parts 30 and 32 of this chapter or by an Agreement State. The 
device and any radioactive material from the device may only be disposed 
of by transfer to a person authorized by a specific license to receive 
the byproduct material in the device or as otherwise approved by the 
Commission. A report containing a brief description of the event and the 
remedial action taken; and, in the case of detection of 0.005 microcurie 
or more removable radioactive material or failure of or damage to a 
source likely to result in contamination of the premises or the 
environs, a plan for ensuring that the premises and environs are 
acceptable for unrestricted use, must be furnished to the Director of 
Nuclear Material Safety and Safeguards, ATTN: GLTS, U.S. Nuclear 
Regulatory Commission, Washington, DC 20555-0001 within 30 days. Under 
these circumstances, the criteria set out in Sec. 20.1402, 
``Radiological criteria for unrestricted use,'' may be applicable, as 
determined by the Commission on a case-by-case basis;

                                * * * * *

    (8)(i) Shall transfer or dispose of the device containing byproduct 
material only by export as provided by paragraph (c)(7) of this section, 
by transfer to another general licensee as authorized in paragraph 
(c)(9) of this section, or to a person authorized to receive the device 
by a specific license issued under parts 30 and 32 of this chapter, or 
part 30 of this chapter that authorizes waste collection, or equivalent 
regulations of an Agreement State, or as otherwise approved under 
paragraph (c)(8)(iii) of this section.
    (ii) Shall furnish a report to the Director of Nuclear Material 
Safety and Safeguards, ATTN: GLTS, U.S. Nuclear Regulatory Commission, 
Washington, DC 20555-0001 within 30 days after the transfer of a device 
to a specific licensee or export. The report must contain--
    (A) The identification of the device by manufacturer's (or initial 
transferor's) name, model number, and serial number;
    (B) The name, address, and license number of the person receiving 
the device (license number not applicable if exported); and
    (C) The date of the transfer.
    (iii) Shall obtain written NRC approval before transferring the 
device to any other specific licensee not specifically identified in 
paragraph (c)(8)(i) of this section.
    (9) Shall transfer the device to another general licensee only if--
    (i) The device remains in use at a particular location. In this 
case, the transferor shall give the transferee a copy of this section, a 
copy of Secs. 31.2, 30.51, 20.2201, and 20.2202 of this chapter, and any 
safety documents identified in the label of the device. Within 30 days 
of the transfer, the transferor shall report to the Director of Nuclear 
Material Safety and Safeguards, ATTN: GLTS, U.S. Nuclear Regulatory 
Commission, Washington, DC 20555-0001--
    (A) The manufacturer's (or initial transferor's) name;
    (B) The model number and the serial number of the device 
transferred;
    (C) The transferee's name and mailing address for the location of 
use; and
    (D) The name, title, and phone number of the responsible individual 
identified by the transferee in accordance with paragraph (c)(12) of 
this section to have knowledge of and authority to take actions to 
ensure compliance with the appropriate regulations and requirements; or

[[Page 491]]

    (ii) The device is held in storage by an intermediate person in the 
original shipping container at its intended location of use prior to 
initial use by a general licensee.

                                * * * * *

    (12) Shall appoint an individual responsible for having knowledge of 
the appropriate regulations and requirements and the authority for 
taking required actions to comply with appropriate regulations and 
requirements. The general licensee, through this individual, shall 
ensure the day-to-day compliance with appropriate regulations and 
requirements. This appointment does not relieve the general licensee of 
any of its responsibility in this regard.
    (13)(i) Shall register, in accordance with paragraphs (c)(13)(ii) 
and (iii) of this section, devices containing at least 370 MBq (10 mCi) 
of cesium-137, 3.7 MBq (0.1 mCi) of strontium-90, 37 MBq (1 mCi) of 
cobalt-60, or 37 MBq (1 mCi) of americium-241 or any other transuranic 
(i.e., element with atomic number greater than uranium (92)), based on 
the activity indicated on the label. Each address for a location of use, 
as described under paragraph (c)(13)(iii)(D) of this section, represents 
a separate general licensee and requires a separate registration and 
fee.
    (ii) If in possession of a device meeting the criteria of paragraph 
(c)(13)(i) of this section, shall register these devices annually with 
the Commission and shall pay the fee required by Sec. 170.31 of this 
chapter. Registration must be done by verifying, correcting, and/or 
adding to the information provided in a request for registration 
received from the Commission. The registration information must be 
submitted to the NRC within 30 days of the date of the request for 
registration or as otherwise indicated in the request. In addition, a 
general licensee holding devices meeting the criteria of paragraph 
(c)(13)(i) of this section is subject to the bankruptcy notification 
requirement in Sec. 30.34(h) of this chapter.
    (iii) In registering devices, the general licensee shall furnish the 
following information and any other information specifically requested 
by the Commission--
    (A) Name and mailing address of the general licensee.
    (B) Information about each device: the manufacturer (or initial 
transferor), model number, serial number, the radioisotope and activity 
(as indicated on the label).
    (C) Name, title, and telephone number of the responsible person 
designated as a representative of the general licensee under paragraph 
(c)(12) of this section.
    (D) Address or location at which the device(s) are used and/or 
stored. For portable devices, the address of the primary place of 
storage.
    (E) Certification by the responsible representative of the general 
licensee that the information concerning the device(s) has been verified 
through a physical inventory and checking of label information.
    (F) Certification by the responsible representative of the general 
licensee that they are aware of the requirements of the general license.
    (iv) Persons generally licensed by an Agreement State with respect 
to devices meeting the criteria in paragraph (c)(13)(i) of this section 
are not subject to registration requirements if the devices are used in 
areas subject to NRC jurisdiction for a period less than 180 days in any 
calendar year. The Commission will not request registration information 
from such licensees.
    (14) Shall report changes to the mailing address for the location of 
use (including change in name of general licensee) to the Director of 
Nuclear Material Safety and Safeguards, ATTN: GLTS, U.S. Nuclear 
Regulatory Commission, Washington, DC 20555-0001 within 30 days of the 
effective date of the change. For a portable device, a report of address 
change is only required for a change in the device's primary place of 
storage.
    (15) May not hold devices that are not in use for longer than 2 
years. If devices with shutters are not being used, the shutter must be 
locked in the closed position. The testing required by paragraph (c)(2) 
of this section need not be performed during the period of storage only. 
However, when devices are put back into service or transferred to 
another person, and have not been tested within the required test 
interval, they must be tested for leakage before use or transfer and the 
shutter tested before use. Devices kept in standby for future use are 
excluded from the two-year time limit if the general licensee performs 
quarterly physical inventories of these devices while they are in 
standby.

                                * * * * *