NALCO COMPANY LLC

MOD#1: DEOBLIGATE FUNDS TO CLOSE

CHEMICALS FOR TERRY MILL OPERATION.

WATER MONITORING

WATER TREATMENT SERVICES

LEX VAMC BOILER CHILLER WATER TREATMENT

ORDER 15B51725F00000027 /P00004 IS TO ADD FUNDS IN THE AMOUNT OF $2,000.00. ACCORDINGLY, THE CONTRACT IS HEREBY MODIFIED AS FOLLOWS: CURRENT AWARD: $16,603.30 ADDITIONAL AMOUNT: $2,000.00 TOTAL AWARD: $ 18,603.30

POWERHOUSE CHEMICALS FOR FCC BUTNER

FY25 NALCO ORIGINAL AMOUNT: $17,241.56 MODIFICATION AMOUNT: $1,500.00 NEW TOTAL AMOUNT: $18,741.56 ALL OTHER TERMS AND CONDITIONS WILL REMAIN THE SAME.

WATER TREATMENT BOILER AND CHILLER

BASE YEAR FUNDING TASK ORDER

WATER CHEMICAL TREATMENT SERVICES

LEGIONELLA TREATMENT SERVICE

EXERCISE OF 2ND OPTION FOR PURCHASE ORDER 36C24823P2490, PREVENTIVE MAINTENANCE SERVICES FOR 8-SYSTEM CHLORINATION SKIDS WITH 3D TRASAR CONNECTIVITY AND REMOTE MONITORING AT VA CARIBBEAN HEALTHCARE SYSTEM.

2022 COOLING TOWER WATER MANAGEMENT PROGRAM

TESTING OF CLOSED LOOP WATER FOR HVAC SYSTEM FOR QC TO AVOID CONTAMINATION LEADING TO AIR BORNE ILLNESS. FUEL TESTING TO VERIFY QUALITY OF DIESEL FUEL BEING USED IN GENERATORS FOR CRITICAL BACK UP POWER IN THE INNER CORE OF THE DATA CENTER.

WATER CHEMICAL TREATMENT SERVICES

CHEMICAL TREATMENT IN THE STEAM BOILERS, COOLING TOWERS, AND CHILLERS

COOLING TOWER LEGIONELLA TESTING, PREVENTION, AND TREATMENT

FY25 NALCO ADD FUNDING PER CCM 877.34

ORDER 15B51725F00000027/P00003 IS TO ADD FUNDS IN THE AMOUNT OF $7,600.00. ACCORDINGLY, THE CONTRACT IS HEREBY MODIFIED AS FOLLOWS: CURRENT AWARD: $9,003.30 ADDITIONAL AMOUNT: $7,600.00 TOTAL AWARD: $ 16,603.30

FY25 NALCO ADD FUNDING PER CCM 877.34

FY25 NALCO ADD FUNDING PER CCM 122.26

CENTRAL HEAT AND POWER PLANT (CHPP) BOILER CHEMICALS IAW THE ATTACHED STATEMENT OF WORK (SOW)

WATER TREATMENT AND CHEMICAL SERVICES FOR SSA HQ AND PEB. THE PURPOSE OF THIS MODIFICATION IS TO EXERCISE OPTION YEAR 4. PERIOD OF PERFORMANCE 6/30/2025- 6/29/2026.

CHILLER & BOILER TREATMENT OY2

8-MONTH EXTENSION

ITEMS BEING ORDERED FROM IDIQ CONTRACT W91QF4-25-D-A002 FOR NALCO BOILER CHEMICALS.

FY25 NALCO MOD ADD FUNDING

MODIFICATION IS ISSUED TO DE-OBLIGATE FY2023 EXCESS FUNDS FOR 36C24823P2490, PREVENTIVE MAINTENANCE SERVICES FOR 8-SYSTEM CHLORINATION SKIDS WITH 3D TRASAR CONNECTIVITY AND REMOTE MONITORING AT VA CARIBBEAN HEALTHCARE SYSTEM.

AXEON CLEAN IN PLACE

DE-OBLIGATION FY2023 EXCESS FUNDS FOR 36C24823P1129, LEGIONELLA ENVIRONMENTAL WATER SAMPLING SERVICES AT VA CARIBBEAN HEALTHCARE SYSTEM

THERMAL COMODITY CHEMICALS

2022 COOLING TOWER WATER MANAGEMENT PROGRAM

EXERCISE OF OPTION 2 IAW FAR 52.217-9 FOR 36C24823P1129, LEGIONELLA ENVIRONMENTAL WATER SAMPLING SERVICES AT VA CARIBBEAN HEALTHCARE SYSTEM

FY25 NALCO ADD FUNDING 3,500.00 PER CCM

CHILLER AND BOILER WATER TREATMENT AT THE BUFFALO AND BATAVIA VAMC.

MODIFICATION TO DECREASE HEADER ACCOUNTING LINE AND ITMEIZED LINE FOR FY24

CHEMICAL TREATMENT IN THE STEAM BOILERS, COOLING TOWERS, AND CHILLERS

WATER CHEMICAL TREATMENT SERVICES

WATER SAMPLING

ORDER 15B51725F00000027/P00002 IS TO ADD FUNDS IN THE AMOUNT OF $6,002.20. ACCORDINGLY, THE CONTRACT IS HEREBY MODIFIED AS FOLLOWS: CURRENT AWARD: $3,001.10 ADDITIONAL AMOUNT: $6,002.20 TOTAL AWARD: $9,003.30

FY25 NALCO ADD FUNDING 3,500.00 PER CCM

NALCO MAINTENANCE SERVICE FOR ELECTROLYTIC CHLORINE DIOXIDE GENERATION SYSTEM

8-MONTH EXTENSION

FY25 NALCO

CENTRAL UTILITY PLANT BOILER/CHILLER WATER TREATEMENT

WATER TOWER SERVICES

ORDER 15B51725F00000027/P00001 IS TO ADD FUNDS IN THE AMOUNT OF $1,151.81. ACCORDINGLY, THE CONTRACT IS HEREBY MODIFIED AS FOLLOWS: CURRENT AWARD: $1,500.55 ADDITIONAL AMOUNT: $1,500.55 TOTAL AWARD: $3,001.10

FY24 NALCO DECREASE LINE ITEM 0001 FROM 27,000.00 TO 13,211.64 ORIGINAL AMOUNT 27,000.00 DECREASE BY 13,788.36 NEW TOTAL 13,211.64

WATER CHEMICAL TREATMENT SERVICES