§179.221-1 — Individual specification requirements In addition to §179.220, the individual specification requirements are as follows:
| DOT | Insulation | Bursting | Minimum plate thickness (inches) | Test pressure (psig) | Bottom outlet | Bottom washout | Reference (179.221-***) |
|---|
| 115A60ALW | Yes | 240 | 3/16 | 60 | Optional | Optional | |
| 115A60W1 | Yes | 240 | 1/8 | 60 | Optional | Optional | 1 |
| 115A60W6 | Yes | 240 | 1/8 | 60 | Optional | Optional | 1 |
[Amdt. 170-52, 61 FR 28681, June 5, 1996, as amended at 62 FR 51561, Oct. 1, 1997; 66 FR 45390, Aug. 28, 2001]