Transport requirements for low specific activity (LSA) Class 7 (radioactive) materials and surface contaminated objects (SCO).

(a) In addition to other applicable requirements specified in this subchapter, low specific activity (LSA) materials and surface contaminated objects (SCO), unless excepted by paragraph (d) of this section, must be packaged in accordance with paragraph (b) or (c) of this section and must be transported in accordance with the following conditions:

(1) The external dose rate must not exceed an external radiation level of 10 mSv/h (1 rem/h) at 3 m from the unshielded material;

(2) The quantity of LSA and SCO material in any single conveyance must not exceed the limits specified in table 9;

(3) LSA material and SCO that are or contain fissile material must meet the applicable requirements of §§ 173.453, 173.457, 173.459 and 173.467;

(4) Packages must meet the contamination control limits specified in § 173.443;

(5) External radiation levels must comply with § 173.441; and

(6) For LSA material and SCO required by this section to be consigned as exclusive use:

(i) Shipments must be loaded by the consignor and unloaded by the consignee from the conveyance or freight container in which originally loaded;

(ii) There must be no loose Class 7 (radioactive) material in the conveyance, however, when the conveyance is the packaging there must be no leakage of Class 7 (radioactive) material from the conveyance;

(iii) Packages must be braced so as to prevent shifting of lading under conditions normally incident to transportation;

(iv) Specific instructions for maintenance of exclusive use shipment controls must be provided by the offeror to the carrier. Such instructions must be included with the shipping paper information;

(v) Except for shipments of unconcentrated uranium or thorium ores, the transport vehicle must be placarded in accordance with subpart F of part 172 of this subchapter;

(vi) For domestic transportation only, packages are excepted from the marking and labeling requirements of this subchapter. However, the exterior of each nonbulk package must be stenciled or otherwise marked “Radioactive—LSA” or “Radioactive—SCO”, as appropriate, and nonbulk packages that contain a hazardous substance must also be stenciled or otherwise marked with the letters “RQ” in association with the above description; and

(vii) Except when transported in an industrial package in accordance with table 8, transportation by aircraft is prohibited.

(b) Except as provided in paragraph (c) of this section, LSA material and SCO must be packaged as follows:

(1) In an industrial package (IP-1, IP-2 or IP-3; § 173.411), subject to the limitations of table 8;

(2) For domestic transportation only, in a DOT Specification 7A (§ 178.350 of this subchapter) Type A package. The requirements of § 173.412 (a), (b), (c) and (k) do not apply;

(3) For domestic transportation only, in a strong, tight package that prevents leakage of the radioactive content under normal conditions of transport. In addition to the requirements of paragraph (a) of this section, the following requirements must be met:

(i) The shipment must be exclusive use;

(ii) The quantity of Class 7 (radioactive) material in each packaging may not exceed an A2 quantity;

(4) For domestic transportation only, in a packaging that complies with the provisions of 10 CFR 71.52, and is transported in exclusive use; or

(5) Any Type B, B(U) or B(M) packaging authorized pursuant to § 173.416.

(c) LSA-I and SCO-I (see § 173.403), unless packaged in accordance with paragraph (b) of this section, must be packaged in bulk packagings in accordance with this paragraph. The shipment must be, in addition to complying with the applicable requirements of paragraph (a) of this section, exclusive use:

(1) Solids. Packages must be strong tight packagings, meeting the requirements of subpart B of this part. The requirements of § 173.410 do not apply.

(2) Liquids. Liquids must be transported in the following packagings:

(i) Specification 103CW, 111A60W7 (§§ 179.200 and 179.201 of this subchapter) tank cars. Bottom openings in tanks are prohibited; or

(ii) Specification MC 310, MC 311, MC 312, MC 331 or DOT 412 (§ 178.348 or § 178.337 of this subchapter) cargo tank motor vehicles. Bottom outlets are not authorized. Trailer-on-flat-car service is not authorized.

(d) Except for transportation by aircraft, LSA material and SCO that conform to the provisions specified in 10 CFR 20.2005 are excepted from all requirements of this subchapter pertaining to Class 7 (radioactive) materials when offered for transportation for disposal or recovery. A material which meets the definition of another hazard class is subject to the provisions of this subchapter relating to that hazard class.

(e) LSA and SCO that exceed the packaging limits in this section must be packaged in accordance with 10 CFR part 71.

(f) Tables 8 and 9 are as follows:

Table 8—Industrial Package Integrity Requirements for LSA Material and SCO Contents Industrial packaging type Exclusive use shipment Nonexclusive use shipment LSA-I: Solid IP-1 IP-1 Liquid IP-1 IP-2 LSA-II: Solid IP-2 IP-2 Liquid and gas IP-2 IP-3 LSA-III IP-2 IP-3 SCO-I IP-1 IP-1 SCO-II IP-2 IP-2

Table 9—Conveyance Activity Limits for LSA Material and SCO Nature of material Activity limit for conveyances LSA-I No limit. LSA-II and LSA-III; noncombustible solids No limit. LSA-II and LSA-III; Combustible solids and all liquids and gases 100 A2 SCO 100 A2

[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended by Amdt. 173-244, 61 FR 20752, May 8, 1996; 63 FR 52849, Oct. 1, 1998; 65 FR 58630, Sept. 29, 2000; 66 FR 45380, Aug. 28, 2001]