OCH JV

R7 ESO: CHEROKEE COUNTY SUPERFUND SITE - FIVE-YEAR REVIEW (FYR), DATA AND SAMPLING P00004: THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE EXCESS FUNDS AND CLOSE TASK ORDER.

PERIOD OF PERFORMANCE EXPIRED. DEOBLIGATE THE FOLLOWING EXCESS FUNDING FROM OPTION PERIOD YEAR 2: 0001BA QAPP REVIEW Y2 $448.95 0001EA CI YR 1 AND 2 $1,382.06 0001EB CI YEAR 2 $105.75

DEOBLIGATE EXCESS FUNDS FROM OPTION YEAR 2. 0001H 1.7.1 OPTIMIZATION YR 2 BALANCE: $18.84 1001B SMP $518.38 1001D HASP $829.18 1001E WMP

R10 ESO BLACKBIRD MINE SITE - IDAHO COBALT PROJECT OVERSIGHT SUPPORT P00006: ADD INCREMENTAL FUNDING TO FULLY FUND CLIN 0031

OPTIONAL LINE ITEM 0001DB QAPP UPDATE IS HEREBY ACTIVATED. FUNDS IN THE AMOUNT OF $1,206.12 ARE HEREBY OBLIGATED.

DEOBLIGATE EXCESS OPTION YEAR 2 FUNDS IN THE AMOUNT OF $3,111.90.

OPTION YEAR 2 EXCESS FUNDS ARE HEREBY DEOBLIGATED IN THE AMOUNT OF $

DEOBLIGATE EXCESS FUNDS IN THE AMOUNT OF $115,680.59 ALIGN CAPACITY TO TOTAL EXPENDED AMOUNT. INCORPORATE CONTRACTOR'S RELEASE OF CLAIMS

DEOBLIGATE EXCESS FUNDS IN THE AMOUNT OF $34,398.11 AND CLOSE TASK ORDER. INCORPORATE THE RELEASE OF CLAIMS.

R10 ESO BLACKBIRD MINE SITE - IDAHO COBALT PROJECT OVERSIGHT SUPPORT P00005: CHANGE ORDER TO EXTEND POP AND REALIGN FUNDING CAPACITY

DEOBLIGATE EXCESS FUNDS FROM YEAR 2 IN THE AMOUNT OF $15,445.45.

DEOBLIGATE EXCESS FUNDS FUNDS IN THE AMOUNT OF $77,924.84 CANCEL LINE ITEM 0006 COMMUNITY INVOLVEMENT WHICH WAS NOT REQUIRED.

DUE TO THE OBLIGATION OF AN INCORRECT LINE OF ACCOUNTING, THREE MODIFICATIONS WILL NEED TO OCCUR. MODIFICATION P00016 DEOBLIGATED ANY REMAINING FUNDS ON THE INCORRECT LINE OF ACCOUNTING. MODIFICATION P00017 WILL OBLIGATE THE ENTIRE AMOUNT OF THE I

DEBOLIGATE EXCESS FUNDS FROM OPTION YEAR 2 IN THE AMOUNT OF

R10 ESO BREMERTON GAS WORKS RI/FS OVERSIGHT P00012: CHANGE ORDER TO ADD YEAR 6 AND REALIGNMENT OF FUNDS

DEOBLIGATE EXCESS FUNDS FROM OPTION YEAR 2.

ESO TASK ORDER TITLE: OVERSIGHT FOR AMERICAN CREOSOTE WORKS SUPERFUND SITE THE PURPOSE OF THIS MOD IS TO EXERCISE AND ACTIVATE OPTION PERIOD 5 AND INCREASE FUNDING IN THE AMOUNT TOTALING $294,105.91.

DUE TO THE OBLIGATION OF AN INCORRECT LINE OF ACCOUNTING, THREE MODIFICATIONS WILL NEED TO OCCUR. MODIFICATION P00016 DEOBLIGATED ANY REMAINING FUNDS ON THE INCORRECT LINE OF ACCOUNTING. MODIFICATION P00017 WILL OBLIGATE THE ENTIRE AMOUNT OF THE I

DUE TO THE OBLIGATION OF AN INCORRECT LINE OF ACCOUNTING, THREE MODIFICATIONS WILL NEED TO OCCUR. THE CURRENT MODIFICATION P00016 WILL DEOBLIGATE ANY REMAINING FUNDS ON THE INCORRECT LINE OF ACCOUNTING. MODIFICATION P00017 WILL OBLIGATE THE ENTIRE

FUNDING FOR TASK ORDER OPTION PERIOD YEAR 3

N62473-21-D-2216 ACQR 6105432_FIVE-YEAR REVIEW FOR FORMER NAVAL AIR STATION ALAMEDA, AND THE FLEET AND INDUSTRIAL SUPPLY CENTER, ALAMEDA, CALIFORNIA

DEFINITIZE THE FIVE YEAR REVIEW AND OBLIGATE FUNDING.

OBLIGATE FUNDING FOR LINE ITEM 0002D PROJECT MANAGEMENT, MONITORING AND REPORTING TASK ORDER YEAR 4

R10 GAY MINE SUPERFUND SITE (RAF-ESO) P00002: EXERCISE OF OPTION PERIOD 1

DEOBLIGATE EXCESS FUNDS RESULTING FROM REIMBURSED FUNDING FROM A DUPLICATE PAYMENT.

SUBJECT MODIFICATION CONTAINS THE FOLLOWING: 1. INCORPORATE REVISION 1 OF THE STATEMENT OF WORK. 2. MODIFY LINE ITEM 0003 AND 0005 TO REFLECT THE REVISED SOW CHANGES. 3. OBLIGATE FUNDS IN THE AMOUNT OF $35,796.16

TASK ORDER AWARD

CRAWFORD LINE ITEM 0002AB FS OVERSITE FUNDS WERE OBLIGATED; NO WORK WAS PERFORMED. THIS CAN BE CANCELLED. SOUTH THROP LINE ITEM 0003AC FS OVERSITE OU 2 FUNDS WERE OBLIGATED; NO WORK WAS PERFORMED. THIS CAN BE CANCELLED. 22ND STREET LINE ITEM 0004AB

INCORPORATE SOW REVISION 1 TO ACTIVATE TASK 0003 FEASIBILITY STUDY. FUNDING FOR: 0001HC COMMUNITY INVOLVEMENT YR 3 $3,189.70 0003 FEASIBILITY STUDY $33,634.52

R10 ESO: TULALIP TEST SITE OVERSIGHT SUPPORT AND TULALIP LANDFILL POST-CONSTRUCTION O&M MOD P00011: DEOBLIGATION AND CLOSEOUT

ADD CAPACITY AND FUNDING FOR CONTINUATION OF WORK UNDER TASK 0003A (3.1.1 SEMI-ANNUAL MONITORING REPORT AND REPAIRS TO MONITORING SYSTEM) DURING THE OPTION YEARS ON THE AIRCRAFT COMPONENTS ESO CONTRACT 68HE0521F0027 THROUGH JULY 31, 2028.

NEW IDRIA MINE RIFS OVERSIGHT-THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE UNUSED FUNDS

FUNDING FOR 0005D RAO/PRG TECH MEMO REV 2 $10,262.30.

OBLIGATE REPLACE BIL FUNDING DEOBLIGATED UNDER P00006 IN THE AMOUNT OF $496.95 ON LINE ITEM 0001CA

DEOBLIGATE EXCESS FUNDS.

DEOBLIGATE BIL FUNDING IN THE AMOUNT OF $496.95

OBLIGATE FUNDING LINE ITEM 05F0BBT (MARINETTE) 05F0BBW (MANITOWOC) 1001AF COMMUNITY INVOLVEMENT $3,239.75 $3,239.74 1002A ROUTINE FIELD OVERSIGHT $3,476.

OBLIGATE FUNDING AS FOLLOWS 0001D MPR $8,017.20 0001EC COMMUNITY INVOLVEMENT YEAR 3: $22,498.02

SETTLEMENT OF THE REQUEST FOR EQUITABLE ADJUSTMENT FOR LINE ITEM 0004C IN THE AMOUNT OF $52,265.97

OBLIGATE FUNDING: REQUIRED FUNDING (OPTION YEAR 3): 2002 QAPP REVIEW $952.92 2004 MONTHLY PROGRESS REPORTS $27,282.63 INCREMENTAL FUNDING: 0006 FIELD AUDITS $20,803.60 0008 MEETING SUPPORT $5,000

INCORPORATE SOW REVISION 1 DATED APRIL 9, 2024 ALIGN OPTION YEAR 1 AND OPTION YEAR 2 LINE ITEMS DUE TO CHANGES IN SOW.

FUNDING FOR TASK ORDER OPTION YEAR 2 ACTIVATION OPTIONAL LINE ITEMS FOR YEAR 2

DEOBLIGATE EXCESS REMAINING FROM OPTION YEAR 1 THAT EXPIRED 07/31/2024 FOR THE FOLLOWING LINE ITEMS 1001BA QAPP REVIEW 1001F COMMUNITY INVOLVEMENT 1002A DATA MANAGEMENT 1003AA FIELD AUDITS 1003B REMOVAL SUPPORT 1003EA FIELD WORK OVERSIGHT 10

DUE TO CHANGE IN PROCESS, OPTIONAL LINE ITEMS CAN ONLY BE FUNDED WHEN REQUIRED. FUNDS ARE HEREBY DEOBLIGATED FROM LINE ITEM 1002D CSM OPTION YEAR 3.

MONTROSE CHEMICAL CORPORATION SUPERFUND SITE OPERABLE UNIT 4(OU4) - SOIL CELLS INSPECTION, OPERATIONS, & MAINTENANCE SUPPORT. THE PURPOSE OF THIS MODIFICATION IS TO REVISE AWARD TERM 2 AND EXERCISE AND FUND AWARD TERM 2 PHASE 5.

DUE TO CHANGE IN PROCESS, OPTIONAL LINE ITEMS CAN ONLY BE FUNDED WHEN REQUIRED. OPTIONAL LINE ITEM FUNDING IN THE AMOUNT OF $342,613.60 IS HEREBY DEOBLIGATED.

THE FOLLOWING ARE THE OPTIONAL LINE ITEMS AND NEED TO BE DEOBLIGATED UNTIL REQUIRED. 0001BD QAPP UPDATE 0001EA COMMUNITY INVOLVEMENT YR 4 0001EB COMMUNITY INVOLVEMENT YR 5

INCORPORATE STATEMENT OF WORK REVISION 3 ACTIVATE OPTIONAL LINE ITEMS.

DEOBLIGATE OPTIONAL LINE ITEM FUNDING. DUE TO CHANGE IN PROCEDURE, OPTIONAL LINE ITEMS ARE FUNDED ONLY WHEN REQUIRED.

BASE YEAR ITEMS REQUIRING ADDITIONAL CEILING AND FUNDING DUE TO CHANGES IN THE REQUIREMENT.