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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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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 Section Action Change # Nature of Change or Revision
Aug-2021 N UFGS 01 11 00 Summary of Work C 2 In response to CCR 9971, added note to Submittal Article for NAVFAC PAC requirement to remove Government approval of salvage plan, and modified corresponding paragraph in text.
Aug-2021 N UFGS 01 14 00 Work Restrictions C 13 In response to the following CCRs: 9044, added Note to Submittal Article with instructions for Navy Design-Build projects; 9826, updated last sentence in Activity Regulations paragraph (1.5.1) to clarify identifying Contractor equipment; 3976, replaced "must" with "will" or "may" throughout Part 1 as appropriate.
Aug-2021 N UFGS 01 20 00 Price and Payment Procedures C 2 In response to CCR 9972, included timeline requirements for both Schedule of Prices and Earn Value Report and corrected typo in Note in Data Required paragraph.
Aug-2021 N UFGS 01 30 00 Administrative Requirements C 1 In response to CCR 10208, updated requirements for NAVFAC PAC DB and DBB in Partnering and Mobilization paragraphs.
Aug-2021 N UFGS 01 35 26 Governmental Safety Requirements C 1 In response to CCR 9981, updated Note in APP-Construction paragraph to clarify instructions for NAVFAC PAC DB and DBB project options.
Aug-2021 A UFGS 01 50 00 Temporary Construction Facilities and Controls C 1 Added Note to Submittal Article with instructions for Navy Design-Build projects.
Aug-2021 N UFGS 01 57 19 Temporary Environmental Controls C 5 Added Note to Submittal Article with instructions for Navy Design-Build projects. In response to CCR 10213, updated requirements for NAVFAC PAC DB and DBB in Environmental Protection Plan paragraph.
Aug-2021 N UFGS 01 57 19.01 20 Supplemental Temporary Environmental Controls C 5 Added Note to Submittal Article with instructions for Navy Design-Build projects.
Aug-2021 A UFGS 01 74 19 Construction Waste Management and Disposal C 2 Added Note to Submittal Article with instructions for Navy Design-Build projects. Incorporated CCRs that support certain Navy Facilities Engineering Commands.
Aug-2021 A UFGS 01 78 00 Closeout Submittals C 1 Added Note to Submittal Article with instructions for Navy Design-Build projects. Deleted note and bracketed selections for Army only in response to CCR 8454.
Aug-2021 N UFGS 01 78 23 Operation and Maintenance Data C 2 Added "Marine Corps Installations" to General Note.
Aug-2021 N UFGS 01 78 24.00 20 Facility Electronic Operation and Maintenance Support Information (eOMSI) C 3 In response to CCR 8939, added bracketed option for section UFGS 01 32 16.00 20 in Pre-Construction/Post-Award Kickoff Meeting paragraph. Added "Marine Corps Installations" to General Note and updated Notes for the Facility Data Workbook; modified Notes and paragraphs to have either brackets or tailoring, not both.
Aug-2021 N UFGS 03 53 14 Light Reflective Nonferrous Metallic Aggregate Floor System N New unified section; supersedes UFGS 03 53 14.00 20 LIGHT REFLECTIVE NONFERROUS METALLIC AGGREGATE FLOOR SYSTEM.
Aug-2021 N UFGS 03 53 14.00 20 Light Reflective Nonferrous Metallic Aggregate Floor System D Superseded by new unified UFGS 03 53 14 LIGHT REFLECTIVE NONFERROUS METALLIC AGGREGATE FLOOR SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2021 N UFGS 08 34 16.20 Vertical Lift Fabric Doors R General periodic update to incorporate new fabric door technologies, materials and design methodologies to increase door performance and industry competition.
Aug-2021 A UFGS 09 97 10.00 10 Metallic Coatings for Hydraulic Structures R Complete review and update.
Aug-2021 A UFGS 23 23 00 Refrigerant Piping R Complete review and update.
Aug-2021 N UFGS 23 54 19 Building Heating Systems, Warm Air R Complete revision; supersedes UFGS 23 82 01.00 10 WARM AIR HEATING SYSTEMS
Aug-2021 N UFGS 23 76 00 Evaporative Cooling Systems N New unified section; supersedes UFGS 23 76 00.00 10 EVAPORATIVE COOLING SYSTEMS and UFGS 23 76 00.00 20 EVAPORATIVE COOLING SYSTEM.
Aug-2021 A UFGS 23 76 00.00 10 Evaporative Cooling Systems D Superseded by new unified UFGS 23 76 00 EVAPORATIVE COOLING SYSTEMS. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2021 N UFGS 23 76 00.00 20 Evaporative Cooling System D Superseded by new unified UFGS 23 76 00 EVAPORATIVE COOLING SYSTEMS. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2021 A UFGS 23 82 01.00 10 Warm Air Heating Systems D Superseded by UFGS 23 54 19 BUILDING HEATING SYSTEMS, WARM AIR. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2021 N UFGS 26 08 00 Apparatus Inspection and Testing C 2 Incorporated optional paragraphs in PART 3 regarding UFGS Sections 26 35 43 400-HERTZ (HZ) SOLID STATE FREQUENCY CONVERTER and 26 35 44 270 VDC SOLID STATE CONVERTER.
Aug-2021 N UFGS 26 24 13 Switchboards R Complete review. Revised to incorporate CCRs.
Aug-2021 A UFGS 26 28 01.00 10 Coordinated Power System Protection R Complete review and update.
Aug-2021 N UFGS 26 35 43 400-Hertz (HZ) Solid State Frequency Converter R Complete review and update.
Aug-2021 N UFGS 26 35 44 270 VDC Solid State Converter N New unified section; supersedes UFGS 26 35 44.00 20 270 VDC SOLID STATE GROUND POWER UNIT.
Aug-2021 N UFGS 26 35 44.00 20 270 VDC Solid State Ground Power Unit D Superseded by new unified UFGS 26 35 44 270 VDC SOLID STATE CONVERTER. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2021 A UFGS 26 36 23 Automatic Transfer Switches and By-Pass/Isolation Switch C 1 Incorporated CCRs and corrected formatting errors.
Aug-2021 N UFGS 26 56 00 Exterior Lighting R Complete review. Revised to incorporate CCRs.
Aug-2021 N UFGS 32 92 19 Seeding C 1 In response to CCR 10412, "Division 2" has been replaced with "Division 31" in TOPSOIL paragraph Note to conform with CSI MasterFormat.
Aug-2021 N UFGS 32 92 23 Sodding C 1 In response to CCR 10413, "Division 2" has been replaced with "Division 31" in TOPSOIL paragraph Note to conform with CSI MasterFormat.
Aug-2021 N UFGS 32 92 26 Sprigging C 1 In response to CCR 10414, "Division 2" has been replaced with "Division 31" in TOPSOIL paragraph Note to conform with CSI MasterFormat.
Aug-2021 N UFGS 32 93 00 Exterior Plants C 1 In response to CCR 10415, "Division 2" has been replaced with "Division 31" in TOPSOIL paragraph Note to conform with CSI MasterFormat.
Aug-2021 N UFGS 32 96 00 Transplanting Exterior Plants C 1 In response to CCR 10416, "Division 2" has been replaced with "Division 31" in TOPSOIL paragraph Note to conform with CSI MasterFormat.
Aug-2021 N UFGS 33 71 02 Underground Electrical Distribution R Complete review. Revised to incorporate CCRs.
May-2021 N UFGS 01 11 00 Summary of Work C 1 In response to CCR 8732, unnecessary brackets were removed from the last sentence in the 2nd paragraph under (1.8) LOCATION OF UNDERGROUND UTILITIES retaining the sentence as a standard requirement.
May-2021 N UFGS 01 14 00 Work Restrictions C 12 In response to CCR 9908, paragraph Shipyard Area Work Clearance Request (1.5.10) has been tailored for Navy.
May-2021 N UFGS 01 57 19.01 20 Supplemental Temporary Environmental Controls C 4 In response to CCR 9422, subparagraph (1.4.6.1.1) Removal of Waste from Camp Lejeune has been updated to reflect the landfill waste policy at Camp Lejeune.
May-2021 N UFGS 01 91 00.15 20 Total Building Commissioning C 1 Changes made to align with NAVFAC policy, and corrections of errors and omissions.
May-2021 A UFGS 02 51 13 Precipitation/Coagulation/Flocculation Water Treatment D Superseded by UFGS 46 07 13.13 PRECIPITATION/COAGULATION/FLOCCULATION (P/C/F) WATER TREATMENT. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 N UFGS 03 30 00 Cast-In-Place Concrete C 2 In response to the following: CCR 7515, updated ACI 302.1R table references in paragraph (3.10.2) "Flat Floor Finishes"; CCR 7801, revised Specifier Note and list item a. in subparagraph (2.3.1.1) "Portland Cement"; CCR 8263, changed center table heading to "12 months" in subparagraph (2.5.2.4) "Sulfate Resistance" list item c.; CCR 8321, updated list item b. in subparagraph (2.3.1.3) "Fly Ash" and revised subparagraph (2.3.1.4) "Slag Cement"; CCR 8333, updated bar Grades in paragraph (2.6.1) "Reinforcing Bars" list item b. and (2.6.1.2) "Epoxy-Coated Reinforcing Bars" list item a.; CCR 8571, deleted paragraph "Perimeter Insulation" (2.2.6); CCRs 8085 and 8572 added the option “IL portland limestone cement” to subparagraph (2.3.1.2) "Blended Cements" in the Specifier Note and list item a.; CCRs 9127 and 9142, updated list item b. in paragraph (3.5.2) "Vapor Retarder [and Vapor Barrier]", replaced "air temperature" with "concrete temperature" in paragraph (3.6.2) "Mixing" list items b. and c., also added manufacturer's recommended dosage in item d., updated article (3.7) “Placing Concrete” and paragraph (3.10.1) “Finish”, and added new subparagraphs (3.14.1.1) “Fine Aggregate” and (3.14.1.2) “Course Aggregate” under (3.14.1) “Aggregate Testing”.
May-2021 N UFGS 03 45 00 Precast Architectural Concrete C 1 In response to CCR 9739, "High-Density Plastic" has been added as the title for paragraph 2.7.6
May-2021 A UFGS 04 01 20.75 Masonry Strengthening Using Surface Applied FRP Composites C 2 Updated subparts 3.4.3.2 and 3.4.3.3 in response to CCR 4378.
May-2021 N UFGS 05 12 00 Structural Steel C 2 In response to CCR 9371, the material strength in paragraph Structural Steel Tubing (2.2.2) was updated to "Grade [C]"
May-2021 A UFGS 05 59 20 Fabrication Of Hydraulic Steel Structures R Complete review and update.
May-2021 A UFGS 06 17 19 Cross-Laminated Timber C 2 Deleted 2nd note paragraph in subpart 2.2.3 in response to CCR 8979.
May-2021 N UFGS 22 00 00 Plumbing, General Purpose C 4 Added "Army" projects to the Specifier Notes under (2.1.1) Pipe Joint Materials, list item t., (3.1.3.6) Copper Tube and Pipe, list item d, and (3.12) TABLE II; added Air Force tailoring to paragraph (2.4.6) No-Water Urinals; NOTES indicating tailoring options added throughout this section.
May-2021 N UFGS 23 08 00.00 20 Commissioning of Mechanical[ and Plumbing] Systems C 1 Changes made to align with NAVFAC policy, and corrections of errors and omissions.
May-2021 A UFGS 23 09 00 Instrumentation and Control for HVAC C 3 This change aligns PVT requirements with Navy testing processes and eliminates an extraneous tailoring option. Deleted subpart 1.8.11 and corresponding submittal item in response to CCR 9532. Updated subpart 3.10 in response to CCR 9365.
May-2021 A UFGS 23 09 13 Instrumentation and Control Devices for HVAC C 2 Updated subpart 2.7.3.4.4 in response to CCR 7146.
May-2021 A UFGS 23 25 00 Chemical Treatment of Water for Mechanical Systems R Complete review and update.
May-2021 A UFGS 25 05 11 Cybersecurity for Facility-Related Control Systems R Complete review and update.
May-2021 A UFGS 25 08 10 Utility Monitoring and Control System Testing R Complete review and update.
May-2021 A UFGS 25 10 10 Utility Monitoring and Control System (UMCS) Front End and Integration C 1 Updated cybersecurity requirements in response to CCR 9323. Deleted subpart 3.3.2 and corresponding submittal item in response to CCR 9748.
May-2021 N UFGS 26 13 00 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear R Complete review and update.
May-2021 N UFGS 26 20 00 Interior Distribution System C 2 Incorporated CCR changes throughout this section.
May-2021 N UFGS 26 27 14.00 20 Electricity Metering C 1 In response to the following: CCR 937, IEC 60687 has been removed from the Reference Article and the section text; CCR 4620, the accuracy class in potential and current transformers was changed to "0.15" in paragraphs Potential Transformer Requirements (2.1.2) item f. and Current Transformer Requirements (2.1.3) item b.; and CCR 5117, reference to a 'Voltage Requirements' paragraph was removed from paragraph (2.1.5) Disconnect Method, item c.
May-2021 N UFGS 26 27 29 Marina Electrical Work R Complete review and update.
May-2021 N UFGS 26 29 23 Adjustable Speed Drive (ASD) Systems Under 600 Volts C 1 Changes made to address various CCRs: added "IEC 61000-3-12" to References and paragraph Power Line Surge Protection (1.3.2.1); replaced reference UL 508C with "UL 61800-5-1"; ASD was changed to "110" percent in list item d. and "IEC" was added to list item r. in article (2.1) ADJUSTABLE SPEED DRIVES ; and article (2.2) ENCLOSURES was updated.
May-2021 A UFGS 26 42 13 Galvanic (Sacrificial) Anode Cathodic Protection (GACP) System N New unified section superseding UFGS 26 42 13.00 20 CATHODIC PROTECTION BY GALVANIC ANODES and UFGS 26 42 14.00 10 CATHODIC PROTECTION SYSTEM (SACRIFICIAL ANODE).
May-2021 N UFGS 26 42 13.00 20 Cathodic Protection by Galvanic Anodes D Superseded by new unified UFGS 26 42 13 GALVANIC (SACRIFICIAL) ANODE CATHODIC PROTECTION (GACP) SYSTEM Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 A UFGS 26 42 14.00 10 Cathodic Protection System (Sacrificial Anode) D Superseded by UFGS 26 42 13 GALVANIC (SACRIFICIAL) ANODE CATHODIC PROTECTION (GACP) SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 A UFGS 26 42 15 Cathodic Protection System for the Interior of Steel Water Tanks N New unified section superseding UFGS 25 42 15.00 10 CATHODIC PROTECTION SYSTEM (STEEL WATER TANKS) and UFGS 26 42 22.00 20 CATHODIC PROTECTION SYSTEM FOR STEEL WATER TANKS.
May-2021 A UFGS 26 42 15.00 10 Cathodic Protection System (Steel Water Tanks) D Superseded by UFGS 26 42 15 CATHODIC PROTECTION SYSTEM FOR THE INTERIOR OF STEEL WATER TANKS. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 A UFGS 26 42 17 Impressed Current Cathodic Protection (ICCP) System N New unified section superseding UFGS 26 42 17.00 10 CATHODIC PROTECTION SYSTEM (IMPRESSED CURRENT) and UFGS 26 42 19.00 20 CATHODIC PROTECTION BY IMPRESSED CURRENT.
May-2021 A UFGS 26 42 17.00 10 Cathodic Protection System (Impressed Current) D Superseded by UFGS 26 42 17 IMPRESSED CURRENT CATHODIC PROTECTION (ICCP) SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 N UFGS 26 42 19.00 20 Cathodic Protection by Impressed Current D Superseded by new unified UFGS 26 42 17 IMPRESSED CURRENT CATHODIC PROTECTION (ICCP) SYSTEM Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 N UFGS 26 42 22.00 20 Cathodic Protection System for Steel Water Tanks D Superseded by new unified UFGS 26 42 15 CATHODIC PROTECTION SYSTEM FOR THE INTERIOR OF STEEL WATER TANKS Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2021 N UFGS 26 51 00 Interior Lighting C 1 Changes made to address various CCRs: added new paragraph (1.5.8) "Photometric Plan"; updated Specifier Note in LED Light Sources (2.3.1); updated (2.6.1.1) Exit Signs with Battery Backup and (2.6.6) Central Emergency Lighting System.
May-2021 A UFGS 32 13 15.20 Concrete Pavement for Containment Dikes C 1 Added impermeable liner system requirements in response to CCR 7040.
May-2021 A UFGS 35 01 70.13 Wire Rope for Gate Operating Devices R Complete review and update.
May-2021 A UFGS 35 20 16.54 Slide Gates and Actuators N New UFGS.
May-2021 A UFGS 35 45 02.00 10 Submersible Pump, Axial-Flow and Mixed-Flow Type R Complete review and update.
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.
May-2021 A UFGS 46 20 20 Sewage Bar Screen and Mechanical Shredder R Complete review and update.
May-2021 A UFGS 46 24 16 Comminutors R Complete review and update.
May-2021 A UFGS 46 51 00.00 10 Air and Gas Diffusion System R Complete review and update including section title change.
May-2021 A UFGS 46 53 62 Continuous Loop Reactor (CLR) Wastewater Treatment System R Complete review and update including section title change.
May-2021 A UFGS 46 61 00 Filtration Equipment R Complete review and update.
May-2021 A UFGS 46 66 56 Open-Channel Disinfection Equipment R Complete review and update.
Feb-2021 N UFGS 01 20 00 Price and Payment Procedures C 1 In response to CCR 9618, reference to FAR 32.503-6 has been replaced with "FAR 32.103 Progress payments under construction contracts" in paragraph (1.7.1) "Obligation of Government Payments" .
Feb-2021 N UFGS 01 31 23.13 20 Electronic Construction and Facility Support Contract Management System C 6 In response to CCRs 9429 and 9621, removed reference to DoD Manual 5200.01-V4 and all FOUO designations; replaced "FOUO - For Official Use Only" with "CUI Controlled Unclassified Information" throughout; and changed CLASS heading in Table 1 to "DESIG" (designation).
Feb-2021 S UFGS 01 33 00 Submittal Procedures C 4 Incorporation of the following CCRs: Incorporated PPI Information CCR# 7812 - Changed Title to Certification of Submittal in 1.17 CCR# 7894 - Updated paragraph 1.6.1 for non-Army projects CCR# 8991 - Added 23 09 00 to paragraph 1.5.2 CCR# 9026 - Deleted the 2nd sentence in par 1.10.2. Added “For variations that include design changes or some material or product substitutions, the Government may require an evaluation and analysis by a licensed professional engineer hired by the contractor. in para 1.10.1 CCR# 9065 - Deleted Tailoring Notes for 1.4.2.1, 1.4.2.2, 1.4.2.3 and 1.4.2.4. Added note to 1.4.2 CCR# 9073 - Added Section 01 91 00.15 20: Commissioning Plan, Certificate of Readiness, and Commissioning Report" to paragraph 1.5.2 CCR# 9326
Feb-2021 A UFGS 01 33 23.33 Aviation Fuel System Specific Submittal Requirements C 1 Deleted redundant drawing sizes from paragraph 1.1.1 in response to CCR 8754 and updated paragraph 2.1.1 in response to CCR 8756.
Feb-2021 N UFGS 01 33 29 Sustainability Requirements and Reporting R Revised to align with industry standards; to align with UFC 1-200-02 revision; to combine DB and DBB requirements into a Tri-Service, tailorable spec; and reorganized paragraphs into hierarchical presentation. Titled changed from "SUSTAINABILITY REPORTING" to "SUSTAINABILITY REQUIREMENTS AND REPORTING"
Feb-2021 N UFGS 01 45 00.00 20 Quality Control C 8 In response to the following CCRs: 8956 - add reference to UFGS Section 01 32 16.00 20; and 9339 - coordinate commissioning and sustainability with UFGS Sections 01 91 00.15 20 and UFGS 01 33 29.
Feb-2021 N UFGS 01 45 00.10 20 Quality Control for Minor Construction C 3 In response to CCR 8942, "KO" has been replaced with "Contracting Officer" throughout, "Pre-Construction Conference" and "Pre-Construction Meeting" have been tailored for Army and Navy respectively, and various clerical tagging corrections have been made.
Feb-2021 A UFGS 01 78 23.33 Operation and Maintenance Manuals for Aviation Fuel Systems C 1 Deleted editing note in paragraph 2.1.2, corrected formatting issues in paragraph 2.2, and updated editing note in paragraph 3.3.6 in response to CCR 8929.
Feb-2021 N UFGS 01 91 00.15 20 Total Building Commissioning N Navy-only Commissioning Section superseding UFGS-01 91 00.15 TOTAL BUILDING COMMISSIONING.
Feb-2021 N UFGS 01 91 00.15 Total Building Commissioning D Superseded by UFGS-01 91 00.15 20 TOTAL BUILDING COMMISSIONING Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2021 A UFGS 02 32 00 Subsurface Drilling, Sampling, and Testing D Superseded by UFGS 02 32 13 SUBSURFACE DRILLING AND SAMPLING without revision to comply with MF 2011 in response to CCR 1924. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2021 A UFGS 02 32 13 Subsurface Drilling and Sampling N Superseding UFGS 02 32 00 SUBSURFACE DRILLING, SAMPLING, AND TESTING without revision to comply with MF 2011 in response to CCR 1924. Nontechnical number and title change.
Feb-2021 A UFGS 02 35 27 Soil-Bentonite (S-B) Slurry Trench D Superseded by UFGS 31 56 13.13 SOIL-BENTONITE SLURRY WALLS without revision to comply with MF 2011 in response to CCR 1925. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2021 A UFGS 02 51 19 Solidification and Stabilization Decontamination N Superseding UFGS 02 55 00 SOLIDIFICATION/STABILIZATION (S/S) OF CONTAMINATED MATERIAL without revision to comply with MF 2011 in response to CCR 1934. Nontechnical number and title change.
Feb-2021 A UFGS 02 53 16 Remediation of Contaminated Soils By Thermal Desorption D Superseded by UFGS 02 53 16.13 REMEDIATION OF CONTAMINATED SOILS BY THERMAL DESORPTION without revision to comply with MF 2011 in response to CCR 1931. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2021 A UFGS 02 53 16.13 Remediation of Contaminated Soils by Thermal Desorption N Superseding UFGS 02 53 16 REMEDIATION OF CONTAMINATED SOILS BY THERMAL DESORPTION without revision to comply with MF 2011 in response to CCR 1931. Nontechnical number change.
Feb-2021 A UFGS 02 54 19.13 Bioremediation Using Landfarming N Superseding UFGS 02 54 20 BIOREMEDIATION OF SOILS USING LANDFARMING SYSTEMS without revision to comply with MF 2011 in response to CCR 1932. Nontechnical number and title change.
Feb-2021 A UFGS 02 54 19.16 Bioremediation of Soils Using Windrow Composting N Superseding UFGS 02 54 21 BIOREMEDIATION OF SOILS USING WINDROW COMPOSTING without revision to comply with MF 2011 in response to CCR 1933. Nontechnical number change.
Feb-2021 A UFGS 02 54 20 Bioremediation of Soils Using Landfarming Systems D Superseded by UFGS 02 54 19.13 BIOREMEDIATION USING LANDFARMING without revision to comply with MF 2011 in response to CCR 1932. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

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