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Below is a listing of the Revisions and Changes made to UFGS Sections for each quarterly release.

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To view the complete detailed history of all the revisions and changes made to a UFGS Section, click on the Section title.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA UFGS Sectionsort ascending Action Change # Nature of Change or Revision
Feb-2024 N UFGS Section Template (CCR Only) R Complete review; removed references to NASA in the banner, and the Submittals Article standard notes and paragraph.
May-2017 A UFGS 48 16 00 Landfill Gas Systems N New Section.
May-2017 N UFGS 48 15 00 Wind Generator System N New Section.
May-2015 N UFGS 48 14 13.00 20 Solar Liquid Flat Plate and Evacuated Tube Collectors R Title changed from SOLAR LIQUID FLAT PLATE COLLECTORS. Section revised throughout. Incorporated evacuated tube collectors. Modifications included in Technical Notes, references and submittals.
May-2011 S UFGS 48 14 13.00 20 Solar Liquid Flat Plate and Evacuated Tube Collectors R Reference update: modified notes in subparts 1.4.1 and 1.5
May-2017 F UFGS 48 14 00 Solar Photovoltaic Systems N New Section.
May-2014 A UFGS 48 13 19.00 10 Turbine Oil D Superseded by UFGS 48 06 15 Turbine Oil. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2008 A UFGS 48 13 19.00 10 Turbine Oil N New section
May-2014 A UFGS 48 06 15 Turbine Oil N Full review, updates and superseding UFGS 48 13 19.00 10 Turbine Oil
Feb-2020 A UFGS 48 06 15 Turbine Oil C 1 Updated paragraphs 1.4, 2.1.1, 2.1.2, 2.2, 2.3 and 2.4 in response to CCR 4578.
Aug-2020 A UFGS 48 06 15 Turbine Oil R Complete review and update.
Nov-2023 A UFGS 48 06 15 Turbine Oil R Complete review and update.
Aug-2014 A UFGS 46 76 23.16 Recessed Chamber Filter Presses C 1 Added paint requirements as noted in CCR 2520
Feb-2011 A UFGS 46 76 23.16 Recessed Chamber Filter Presses N Superseding UFGS 44 46 16 Recessed Chamber Filter Press System without revision to comply with MF 2010
Nov-2018 A UFGS 46 76 23.16 Recessed Chamber Filter Presses D UFGS is used very infrequently. Archived; no replacement. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 46 73 10 Floating Cover for Sludge-Digestion Tanks N Superseding UFGS 44 46 20 Floating Cover for Sludge-Digestion Tanks without revision to comply with MF 2010
Nov-2018 A UFGS 46 73 10 Floating Cover for Sludge-Digestion Tanks D UFGS is used very infrequently. Archived; no replacement. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2014 A UFGS 46 73 00.35 Sludge-Digester Gas, Heating, and Mixing System C 1 Deleted publication as noted in CCR 776
Feb-2011 A UFGS 46 73 00.35 Sludge-Digester Gas, Heating, and Mixing System N Superseding UFGS 44 46 19 Sludge-Digester Gas, Heating, and Mixing System without revision to comply with MF 2010
Nov-2018 A UFGS 46 73 00.35 Sludge-Digester Gas, Heating, and Mixing System D UFGS is used very infrequently. Archived; no replacement. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 46 71 16 Gravity Belt Thickeners N Superseding UFGS 44 43 13 Sludge-Collecting Equipment without revision to comply with MF 2010
Feb-2011 A UFGS 46 66 56 Open-Channel Disinfection Equipment N Superseding UFGS 44 44 73 Ultraviolet Disinfection Equipment without revision to comply with MF 2010
May-2021 A UFGS 46 66 56 Open-Channel Disinfection Equipment R Complete review and update.
Aug-2014 A UFGS 46 61 00 Filtration Equipment C 1 Added paint requirements as noted in CCR 2519
Feb-2011 A UFGS 46 61 00 Filtration Equipment N Superseding UFGS 44 43 00 Filtration Equipment without revision to comply with MF 2010
May-2021 A UFGS 46 61 00 Filtration Equipment R Complete review and update.
Aug-2014 A UFGS 46 53 62 Continuous Loop Reactor (CLR) Wastewater Treatment System C 1 Added paint requirements as noted in CCR 2518
Feb-2011 A UFGS 46 53 62 Continuous Loop Reactor (CLR) Wastewater Treatment System N Superseding UFGS 44 42 59 Continuous Loop Reactor Wastewater Treatment System without revision to comply with MF 2010
May-2021 A UFGS 46 53 62 Continuous Loop Reactor (CLR) Wastewater Treatment System R Complete review and update including section title change.
May-2018 A UFGS 46 53 22 Trickling Filter N Superseding UFGS 43 31 14 TRICKLING FILTER. Complete review and update including section number change.
Feb-2011 A UFGS 46 51 00.00 10 Air and Gas Diffusion System N Superseding UFGS 44 42 13.00 10 Air Supply and Diffusion Equipment for Sewage Treatment without revision to comply with MF 2010
May-2021 A UFGS 46 51 00.00 10 Air and Gas Diffusion System R Complete review and update including section title change.
Feb-2013 N UFGS 46 43 21 Circular Clarifier Equipment C 2 Modified subpart 2.2.3.2
Nov-2012 N UFGS 46 43 21 Circular Clarifier Equipment C 1 Removed note before Part 1; modified note in subpart 2.2.1
Feb-2011 N UFGS 46 43 21 Circular Clarifier Equipment N Superseding UFGS 44 42 23 Circular Clarifier Equipment without revision to comply with MF 2010
Feb-2020 N UFGS 46 43 21 Circular Clarifier Equipment R Complete review and update.
Aug-2017 A UFGS 46 31 11 Chlorine Gas Feed Equipment N Superseding UFGS 43 32 76 Chlorine-Feeding Machines (Automatic, Semiautomatic and Manual); Complete review and update including section number and and title changes.
Feb-2011 A UFGS 46 30 13 Advanced Oxidation Processes (AOP) N Superseding UFGS 44 44 53 Advanced Oxidation Processes (AOP) without revision to comply with MF 2010
Aug-2017 A UFGS 46 30 00 Water and Wastewater Chemical Feed Systems N Superseding UFGS 43 32 69 Chemical Feed Systems; Complete review and update including section number and and title changes.
Nov-2013 N UFGS 46 25 14 Coalescing [or Vertical Tube] Oil-Water Separators C 1 Revised subpart 3.2
Feb-2011 N UFGS 46 25 14 Coalescing [or Vertical Tube] Oil-Water Separators N Superseding UFGS 44 42 53 Parallel Plate [or Vertical Tube] Gravity Oil-Water Separator without revision to comply with MF 2010
Feb-2011 A UFGS 46 24 16 Comminutors N Superseding UFGS 44 42 26 Comminutors without revision to comply with MF 2010
May-2021 A UFGS 46 24 16 Comminutors R Complete review and update.
Aug-2013 N UFGS 46 23 00 Grit Removal and Handling Equipment C 1 Modified subparts 2.1.4.3, 2.1.6.2, 2.1.7.4, 2.1.10.1(b), 2.3.5(d), 2.6
Feb-2011 N UFGS 46 23 00 Grit Removal and Handling Equipment N Superseding UFGS 44 42 39 Grit Removal and Handling Equipment without revision to comply with MF 2010
Feb-2020 N UFGS 46 23 00 Grit Removal and Handling Equipment R Complete review and update.
Feb-2011 A UFGS 46 20 20 Sewage Bar Screen and Mechanical Shredder N Superseding UFGS 22 13 23 Sewage Bar Screen and Mechanical Shredder without revision to comply with MF 2010
May-2021 A UFGS 46 20 20 Sewage Bar Screen and Mechanical Shredder R Complete review and update.
Feb-2011 A UFGS 46 07 53.19 Composting Toilet N Superseding UFGS 44 41 13.19 Composting Toilet without revision to comply with MF 2010
Feb-2024 F UFGS 46 07 53.19 Composting Toilet D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 46 07 53.16 Packaged Wastewater Treatment Equipment, Biochemical N Superseding UFGS 44 41 13 Packaged Wastewater Treatment Equipment, Biochemical without revision to comply with MF 2010
Feb-2020 A UFGS 46 07 53.16 Packaged Wastewater Treatment Equipment, Biochemical D Superseded by new (Navy) UFGS 46 07 53 PACKAGED WASTEWATER TREATMENT EQUIPMENT. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2016 N UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration C 3 CCR 4187: Removed ASTM A167 reference from section. CCR 4581: Revised subpart 2.13.8 by replacing ASTM A176 with ASTM A240/A240M.
Aug-2013 N UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration C 2 Modified note before Part 1, subparts 1.4, 2.16, 2.6.1, 2.7.3.1 (d), 2.8.3.1 (b3), 2.8.3.2 (b3, d1), 2.8.3.3 (b3), 2.13.10, 2.16, 3.3.1.1, 3.3.5.9, 3.5.2, 3.7.2 3.7.2.3
Feb-2013 N UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration C 1 Modified subpart 2.7.3.1
Feb-2011 N UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration N Superseding UFGS 44 42 13.00 20 Aeration Equipment without revision to comply with MF 2010
Feb-2020 N UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration D Superseded by UFGS 46 07 53 Packaged Wastewater Treatment Equipment Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2020 N UFGS 46 07 53 Packaged Wastewater Treatment Equipment N New Section combining UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration and 46 07 53.16 Packaged Wastewater Treatment Equipment, Biochemical
Aug-2022 N UFGS 46 07 53 Packaged Wastewater Treatment Equipment C 1 In response to CCR 11920, NASA tailoring was added to the Electrical Work paragraph (3.2.2)
Nov-2023 N UFGS 46 07 53 Packaged Wastewater Treatment Equipment C 2 In response to CCR 13074, updated to imperative mood; removed "shall" from the Section text.
May-2021 A UFGS 46 07 13.13 Precipitation/Coagulation/Flocculation (P/C/F) Water Treatment N Superseding UFGS 02 51 13 PRECIPITATION/COAGULATION/FLOCCULATION WATER TREATMENT.
Feb-2011 A UFGS 44 46 20 Floating Cover for Sludge-Digestion Tanks D Superseded by UFGS 46 73 40 Floating Cover for Sludge-Digestion Tanks without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 46 19 Sludge-Digester Gas, Heating, and Mixing System D Superseded by UFGS 46 73 00.35 Sludge-Digester Gas, Heating, and Mixing System without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Oct-2007 A UFGS 44 46 19 Sludge-Digester Gas, Heating, and Mixing System R Updated seismic criteria
Feb-2011 A UFGS 44 46 16 Recessed Chamber Filter Press System D Superseded by UFGS 46 76 23.16 Recessed Chamber Filter Presses without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 46 13 Sludge-Collecting Equipment D Superseded by UFGS 46 71 16 Gravity Belt Thickeners without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 46 00 Pumps; Sewage and Sludge D Superseded by UFGS 22 13 29 Sanitary Sewerage Pumps without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 44 73 Ultraviolet Disinfection Equipment D Superseded by UFGS 46 66 56 Open-Channel Disinfection Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 44 53 Advanced Oxidation Processes (AOP) D Superseded without revision by UFGS 46 30 13 Advanced Oxidation Processes (AOP) to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Oct-2007 A UFGS 44 44 53 Advanced Oxidation Processes (AOP) R Updated seismic criteria
Feb-2011 N UFGS 44 44 46 Hydrotherapy Equipment D Superseded by UFGS 13 17 43 Hydrotherapy Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 43 00 Filtration System D Superseded by UFGS 46 61 00 Filtration Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Oct-2007 A UFGS 44 43 00 Filtration System R Updated seismic criteria
Feb-2011 A UFGS 44 42 59 Continuous Loop Reactor Wastewater Treatment System D Superseded by UFGS 46 53 62 Continuous Loop Reactor Wastewater Treatment System without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 N UFGS 44 42 53 Parallel Plate [or Vertical Tube] Gravity Oil-Water Separator D Superseded by UFGS 46 25 14 Coalescing [or Vertical Tube] Oil-Water Separators without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2009 N UFGS 44 42 39 Grit Collecting Equipment R Removed paragraph 1.3 regarding Y2K and SD-07 Certificates
Feb-2011 N UFGS 44 42 39 Grit Collecting Equipment D Superseded by UFGS 46 23 00 Grit Removal and Handling Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 42 26 Comminutor D Superseded by UFGS 46 24 16 Comminutors without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2009 N UFGS 44 42 23 Circular Clarifier R Removed paragraph 1.2 regarding Y2K, SD-07 Certificates, and paragraph 1.8
Feb-2011 N UFGS 44 42 23 Circular Clarifier D Superseded by UFGS 46 43 21 Circular Clarifier Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2009 N UFGS 44 42 13.00 20 Aeration Equipment R Removed paragraph 1.2 regarding Y2K; Section References (SRF) update
Feb-2011 N UFGS 44 42 13.00 20 Aeration Equipment D Superseded by UFGS 46 07 53.13 Packaged Wastewater Treatment Equipment, Aeration without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Jan-2007 N UFGS 44 42 13.00 20 Aeration Equipment R No Nature of Change statement provided.
Feb-2011 A UFGS 44 42 13.00 10 Air Supply and Diffusion Equipment for Sewage Treatment D Superseded by UFGS 46 51 00.00 10 Air and Gas Diffusion Equipment without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 41 13.19 Composting Toilet D Superseded by UFGS 46 07 53.19 Composting Toilet without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2011 A UFGS 44 41 13 Prefabricated Biochemical Wastewater Treatment Plant D Superseded by UFGS 46 07 53.16 Packaged Wastewater Treatment Equipment, Biochemical without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Oct-2007 A UFGS 44 41 13 Prefabricated Biochemical Wastewater Treatment Plant R Updated seismic criteria
May-2020 N UFGS 44 41 00.00 20 Water Pollution Containment and Cleanup Equipment N New Navy-only specification for containment of fire suppressant discharge.
Aug-2020 N UFGS 44 41 00.00 20 Water Pollution Containment and Cleanup Equipment D Superseded by unified section UFGS 44 41 00 WATER POLLUTION CONTAINMENT AND CLEANUP EQUIPMENT Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2020 N UFGS 44 41 00 Water Pollution Containment And Cleanup Equipment N New Unified Section; Superseding UFGS 44 41 00.00 20 WATER POLLUTION CONTAINMENT AND CLEANUP EQUIPMENT
Feb-2024 N UFGS 44 41 00 Water Pollution Containment And Cleanup Equipment C 1 In response to CCR 13725, updated to reduce the use of shall and change passive voice to active voice.
Feb-2011 A UFGS 44 13 52 Thermal (Catalytic) Oxidation Systems N Superseding UFGS 44 11 33 Thermal (Catalytic) Oxidation Systems without revision to comply with MF 2010
May-2020 A UFGS 44 13 52 Thermal (Catalytic) Oxidation Systems D Superseded by UFGS 44 13 51 THERMAL OXIDATION EQUIPMENT without revision to comply with MF 2011 in response to CCR 2196. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2020 A UFGS 44 13 51 Thermal Oxidation Equipment N Superseding UFGS 44 13 52 THERMAL (CATALYTIC) OXIDATION SYSTEMS without revision to comply with MF 2011 in response to CCR 2196. Nontechnical number and title change.
May-2020 A UFGS 44 13 10.13 Vapor Phase Activated Carbon Adsorption Units N Superseding UFGS 43 13 13.13 VAPOR PHASE ACTIVATED CARBON ADSORPTION UNITS without revision to comply with MF 2011 in response to CCR 2190. Nontechnical number change.
Feb-2011 A UFGS 44 11 33 Thermal (Catalytic) Oxidation Systems D Superseded by UFGS 44 13 52 Thermal (Catalytic) Oxidation Systems without revision to comply with MF 2010 Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Oct-2007 A UFGS 44 11 33 Thermal (Catalytic) Oxidation Systems R Updated seismic criteria
Oct-2007 A UFGS 44 10 00 Air Pollution Control R Updated seismic criteria
Nov-2022 A UFGS 44 10 00 Air Pollution Control R Complete review and update
Aug-2010 S UFGS 43 41 16.16 Vertical Atmospheric Tanks and Vessels N Superseding UFGS 43 41 13.19 Fiberglass Gas Liquid Pressure Vessels; submittal article configuration compliance; revised General Note; added subparts 1.2.1.2, 1.2.1.3, 2.3.1, and 3.2; added note to 3.5; other minor revisions throughout

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