Title 46: Shipping
PART 98—SPECIAL CONSTRUCTION, ARRANGEMENT, AND OTHER PROVISIONS FOR CERTAIN DANGEROUS CARGOES IN BULK
Subpart 98.30—Portable Tanks
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§ 98.30-5 Materials authorized for transfer to and from a portable tank.
(a) The following hazardous materials may be transferred to and from a portable tank under this subpart:
(1) Any Grade D or Grade E combustible liquid listed in §30.25–1 of this chapter that does not meet the definition of any hazard class in 49 CFR part 173 other than that of “flammable liquid”, “combustible liquid”, or “ORM-E”;
(2) Any corrosive liquid that—
(i) Is compatible with the materials of the tank;
(ii) Meets the definition of no other hazard class in 49 CFR part 173; and
(iii) Is authorized for transport in an IM 101 or IM 102 portable tank under subpart F of 49 CFR part 173;
(3) Any hazardous material listed in Table 98.30–5(a);
(4) Any environmentally hazardous substance, liquid, N.O.S., Class 9, listed in table 1 of appendix A of 49 CFR 172.101, and any aqueous solution of an environmentally hazardous substance, solid, N.O.S., Class 9, listed in that table, that meets the definition of “hazardous substance” in 49 CFR 171.8; and
(5) Other cargoes subject to regulation under 49 CFR parts 171 through 176 when authorized in writing by the Commandant. Requests for such authorization must be submitted as prescribed in §153.900(d)(1) of this chapter.
Table 98.30–5(a)—Certain Hazardous Materials Authorized For Transfer To and From Portable Tanks
| Acetone | |
| Alcohols; flash point of 80 °F (27 °C) or less by open-cup test | |
| Benzene | |
| Gasoline | |
| Mixtures of Hydrochloric acid and hydrofluoric acid containing not more than 36 percent hydrochloric acid or 2 percent hydrofluoric acid1 | |
| Methyl Ethyl Ketone | |
| Toluene (Toluol) | |
(b) Grade D and Grade E combustible liquids with a flash point of 100°F (38°C) or higher by closed cup test that are not listed by name in the Table of 49 CFR 172.101 may be transferred to and from an MPT or an IM 102 portable tank conforming to the entry for note “T1” of 49 CFR 172.102(c)(7)(i).
(c) Sulfuric acid having a concentration of not over 51 percent may be transferred to or from an MPT only if the MPT is lined with rubber or with material equally acid-resistant and equally strong and durable.
(d) Sulfuric acid having a concentration of 65.25 percent or greater may be transferred to or from any portable tank; provided that the corrosion rate on steel, measured at 100 °F (38 °C), of sulfuric acid having a concentration of greater than 65.25 percent is not greater than the corrosion rate of such an acid having a concentration of 65.25 percent.
(e) Environmentally hazardous substances (see paragraph (a)(4) of this section) may be transferred only to or from an IM 101 or IM 102 portable tank or an MPT.
(f) A hazardous material that may be transferred to and from an IM 102 portable tank may also be transferred to and from an IM 101 portable tank.
(g) No hazardous material not referred to in this section may be transferred to or from a portable tank on board a vessel.
[CGD 84–043, 55 FR 37411, Sept. 11, 1990; 55 FR 40755, Oct. 4, 1990, as amended by CGD 97–057, 62 FR 51046, Sept. 30, 1997]
