UFGS 43 31 14 Trickling Filter  

Date: 
04-01-2006
Division: 
Division 43 - Process Gas and Liquid Handling, Purification and Storage Equipment
Status: 
Retired / Superseded
Archived / Rescinded Date: 
05-24-2018
Change Notice: 

Superseded by UFGS 46 53 22 Trickling Filter

Page(s): 
12

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
May-2018 A D

Superseded by UFGS 46 53 22 TRICKLING FILTER.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Nov-2014 A C 1

Deleted reference and revised par. 2.4.1 and 2.4.2 as noted in CCR 768.