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§ 179.201-1 Individual specification requirements.

49 CFR 179.201-1

Citation49 CFR 179.201-1
CorpusDaily eCFR
Displayed edition2026-10-01
Last updated2026-10-01

§ 179.201-1 Individual specification requirements.

In addition to § 179.200, the individual specification requirements are as follows:

DOT Specification 1InsulationBursting pressure (psig)Minimum plate
thickness (inches)
Test
pressure (psig)
Bottom
outlet
Bottom
washout
References (179.201 - ***)
111A60ALW1Optional2401⁄260OptionalOptional6(a).
111A60ALW2Optional2401⁄260NoOptional.
111A60W1Optional2407⁄1660OptionalOptional6(a).
111A60W2Optional2407⁄1660NoOptional.
111A60W5Optional2407⁄1660NoNo3, 6(b).
111A60W6Optional2407⁄1660OptionalOptional4, 5, 6(a), 6(c).
111A60W7Optional2407⁄1660NoNo4, 5, 6(a).
111A100ALW1Optional5005⁄8100OptionalOptional6(a).
111A100ALW2Optional5005⁄8100NoOptional.
111A100W1Optional5007⁄16100OptionalOptional6(a).
111A100W2Optional5007⁄16100NoOptional.
111A100W3Yes5007⁄16100OptionalOptional6(a).
111A100W4Yes (see 179.201-11)5007⁄16100NoNo6(a), 8, 10.
111A100W5Optional5007⁄16100NoNo3.
111A100W6Optional5007⁄16100OptionalOptional4, 5, 6(a) and 6(c).
111A100W7Optional5007⁄16100NoNo4, 5, 6(c).
1 Tanks marked “ALW” are constructed from aluminum alloy plate; “AN” nickel plate; “CW,” “DW,” “EW,” “W6,” and “W7” high alloy steel or manganese-molybdenum steel plate; and those marked “BW” or “W5” must have an interior lining that conforms to § 179.201-3.

[Amdt. 179-52, 61 FR 28680, June 5, 1996, as amended by 66 FR 45390, Aug. 28, 2001; 68 FR 48571, Aug. 14, 2003]