AHTNA ENVIRONMENTAL, INC.

NWS PAGO PAGO MODIFICATION TO EXTEND PERIOD OF PERFORMANCE TO SEPTEMBER 30, 2023 AND INCORPORATE WITHIN SCOPE CHANGE FOR ADDITIONAL WORK AT THE MAJURO MULTIPLE REPAIR PROJECT

MODIFICATION TO DE-OBLIGATE $3.00 REMAINING ON CONTRACT DUE TO INVOICING ERROR.

DQ UNIVERSITY DEOBLIGATION OF FUNDS

REMOVE/REPLACE CORDOVA FIR MOORING AND CATWALK WARRANTY DATE 02/20/2026 ENTERED 04/30/2025

TASK 4.3 SYSTEM UPGRADES OY2

P00011 CI #11 CONTAMINATED SOIL DISPOSAL

P00010 CI #06 ADDITIONAL QUANTITIES STOCKPILE/SAMPLE

DEOB FY19 FUNDS ASAP 4937

GROUNDWATER REMEDIAL DESIGN AND REMEDIAL ACTION EXERCISE OPTION CLINS ASAP 4666

GROUND WATER TREATMENT SYSTEMS SHARPE AD, LATHROP, CA ADDING TASKS WITHIN SCOPE.

MERILL FIELD ATCT HVAC

SOME TASKS DEOBLIGATION OF GROUND WATER TREATMENT SYSTEMS OPTIMIZATION, MONITORING, OPERATIONS AND MAINTENANCE AND SOIL SITES REMEDIATION/CLOSURE SHARPE AD AT LATHROP, CA

INSTALL HANGAR DOORS

REMOVE/REPLACE CORDOVA FIR MOORING AND CATWALK

DECREASE PRICE AND CLOSEOUT MOD P00003 ADD WASTE CHARACTERIZATION

ADD ADDITIONAL WORK FOR DIFFERING SITE CONDITIONS - CONTAINMENTED MEDIA REMEDIATION

INSTALL HANGAR DOORS

DEOBLIGATE EXPIRED FUNDS

MOD P00003 ADD HEAT TRACE & FUNDS

ADD MORE SOIL SAMPLING, ADD CONCRETE BASIN REPAIR & ADD FUNDS

MOD TO ADD WORK WITHIN SCOPE AND EXTEND PERIOD OF PERFORMANCE

NWS PAGO PAGO MODIFICATION TO EXTEND PERIOD OF PERFORMANCE TO SEPTEMBER 30, 2023 AND INCORPORATE WITHIN SCOPE CHANGE FOR ADDITIONAL WORK AT THE MAJURO MULTIPLE REPAIR PROJECT

MODIFICATION 13 PART 2 OF 2

ST. PAUL FUEL TANK DEMO, ST. PAUL, ALASKA

MODIFICATION 13, PART 1 OF 2

EXTEND SERVICES FOR ADDITIONAL 9 MONTHS

MODIFICATION TO DE-SCOPE/DELETE WORK NOT REQUIRED DURING PERFORMANCE.

REPAIR LOWS CONTAINMENT WALL BASE KODIAK, AK

SUBTASK 5.1: TREATMENT SYSTEM CONSTRUCTI

MOD TO ADD WORK WITHIN SCOPE AND EXTEND PERIOD OF PERFORMANCE

WSO PAGO & MAJURO PROJECTS POP EXTENSION AND INCREASE IN TOTAL VALUE TASK ORDER TO COVER CONTINUED IN-SCOPE WORK

DEOBLIGATE FUNDS FROM CLIN 0001, 1001, AND 2001.

EXERCISE OPTIONS 13 AND 14

MODIFICATION TO DE-OBLIGATE FUNDS FOR CONTRACT CLOSEOUT.

CONTRACT CLOSED OUT

CONTRACT FOR EIE426 TANK 55 & 56 REPLACEMENT AND TANK 3351-1 & 3351-2 REPLACEMENT AT EIELSON AFB, ALASKA. REFERENCE NO. R00009 00009 DECREASE UNUSED CLINS

MOD TO FULLY FUND THE OPTION YEAR

SQUAW VALLEY VOR

AS/SVE INSTALL AND STARTUP

MOD TO DECREASE TASKS AND DEOBLIGATE EXCESS FUNDS DUE TO CANCELING APPROPRIATIONS. FY 17 - SHARPE ARMY DEPOT - ECP & LEGAL

THE PURPOSE OF THIS MODIFICATION IS TO ADD NEW WORK, ADD FUNDS, AND REQUEST FOR ADJUSTMENT (REA) SETTLEMENT FOR THE EQUEST FOR INFORMATION (RFIS) 041 AND 043.

PN9623880 DEMO MOTHBALL COMDET RECEIVING SITE FACILITIES, KODIAK, AK

MODIFICATION TO ADD WORK, ADD FUNDS, CHANGE WORK HOUR SCHEDULE AND EXTEND CONTRACT COMPLETION DATE.

DEFUND TASKS, REVISE TASKS 4.4 AND 4.5.5

MODIFICATION TO DE-SCOPE WORK, ADD WORK, ADD FUNDS, ADD TIME & CHANGE ADMIN. CONTACTS

CONTRACT FOR EIE426 TANK 55 & 56 REPLACEMENT AND TANK 3351-1 & 3351-2 REPLACEMENT AT EIELSON AFB, ALASKA. RMS P00006 PD2 P00005 CR# 00004-2 PIPING RECONFIGURATION CONSTRUCTION

EIE426 P00005 CI00004-1 PIPING RECONFIGURATION CONSTRUCTION

EAR042 MOBILIZATION AND DEMOBILIZATION P00024 CR 0031 DE-MOBILIZE ADDITIONAL EQUIPMENT (2022)

EXERCISE OPTION YEAR 3

EIE426 P00004 CI0003 FUEL FOR COMMISSIONING