Individual specification requirements.

In addition to § 179.200, the individual specification requirements are as follows: DOT Specification 1 Insulation Bursting pressure (psig) Minimum plate thickness (inches) Test pressure (psig) Bottom outlet Bottom washout References (179.201 - ***) 111A60ALW1 Optional 240 1 ⁄ 2 60 Optional Optional 6(a). 111A60ALW2 Optional 240 1 ⁄ 2 60 No Optional. 111A60W1 Optional 240 7 ⁄ 16 60 Optional Optional 6(a). 111A60W2 Optional 240 7 ⁄ 16 60 No Optional. 111A60W5 Optional 240 7 ⁄ 16 60 No No 3, 6(b). 111A60W6 Optional 240 7 ⁄ 16 60 Optional Optional 4, 5, 6(a), 6(c). 111A60W7 Optional 240 7 ⁄ 16 60 No No 4, 5, 6(a). 111A100ALW1 Optional 500 5 ⁄ 8 100 Optional Optional 6(a). 111A100ALW2 Optional 500 5 ⁄ 8 100 No Optional. 111A100W1 Optional 500 7 ⁄ 16 100 Optional Optional 6(a). 111A100W2 Optional 500 7 ⁄ 16 100 No Optional. 111A100W3 Yes 500 7 ⁄ 16 100 Optional Optional 6(a). 111A100W4 Yes (see 179.201-11) 500 7 ⁄ 16 100 No No 6(a), 8, 10. 111A100W5 Optional 500 7 ⁄ 16 100 No No 3. 111A100W6 Optional 500 7 ⁄ 16 100 Optional Optional 4, 5, 6(a) and 6(c). 111A100W7 Optional 500 7 ⁄ 16 100 No No 4, 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]