UFGS 33 01 50.55 Cleaning of Petroleum Storage Tanks  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Feb-2021 N R

Replacing without change UFGS-33 01 50.60 / Non-technical Section Number change

Nov-2020 N C 1

(UFGS-33 01 50.60) In response to CCR 7720, paragraph "TANK CLEANING" (3.7) has been updated.

Nov-2018 N R

(UFGS-33 01 50.60) Complete review and update including new Section number and title; Superseding UFGS 33 65 00 CLEANING PETROLEUM STORAGE TANKS (Aug-11)