Status
              Retired / Superseded
          Publish Date
              Archived / Rescinded Date
              Change Notice
              <p>NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 22 66 53.00 40 Laboratory Chemical-Waste and Vent Piping </p>
Spec. Division
              22 - Plumbing
          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 [ARCHIVED] | 
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion | 
| Release | PA | Date | Action | Change # | Nature of Change or Revision | 
|---|---|---|---|---|---|
| Feb-2011 | N | Aug-2010 | D | NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 22 66 53.00 40 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Aug-2010 | N | Aug-2010 | R | Standard tailoring for RCBEA incorporated; other minor revisions throughout | |
| May-2010 | N | May-2010 | R | Minor revisions throughout | |
| Aug-2008 | N | Aug-2008 | R | Section References (SRF) update | |
| Apr-2008 | N | Apr-2008 | N | Superseding UFGS 22 66 83.00 40 Chemical-Waste Tanks | 
 
         
 
 
 
 
 
 
 
 
