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Leadking:TC-SU 4957-230 BAR =Transport Canada permit #
DOT-E 14157= DOT approval #
3442 TP5250= PSI = test pressure (hydro)
REE-elastitic expansion (used in hydro)
X7100=7.25 diameter 100cf
3287104=serial #
05/06= hydro date
M8004=manufacturer (Worthington)