ARCADIS U.S., INC.

ARCHITECT AND ENGINEER SERVICES AT MATTEO SUPERFUND SITE OU1.

REMEDIAL DESIGN AND RELATED STUDIES

A/E ENVIRONMENTAL SERVICES TO PERFORM UPDATING THE U.S. COAST GUARD YARD SPILL PREVENTION, CONTROL AND COUNTERMEASURES PLAN (SPCC) & INTEGRATED CONTINGENCY PLAN (ICP) AT U.S. COAST GUARD YARD, BALTIMORE, MARYLAND.

---------- COMMENTS: PROJECT FOR SBIWTP (191BWC24R0001) IN SAN DIEGO, CA INCLUDES THE DESIGN AND CONSTRUCTION TO REHABILITATE AND EXPAND THE SBIWTP TO 50 MGD INCLUDING REHABILITATION TO ALLEVIATE THE DISCHARGE OF WASTEWATER INTO THE SOUTH BAY (PACIFI

OU73-25-NEW-026 - MAINTENANCE SERVICES FOR NIST SMALL CHAMBER EMISSION TESTING SYSTEM

WEST COAST ENVIRONMENTAL ENGINEERING COMPLIANCE STUDIES

A/E ENVIRONMENTAL SERVICES TO PERFORM GROVE DUMP SITE REMEDIAL AND INVESTIGATION & FEASIBILITY STUDY @ U. S. COAST GUARD, YARD, BALTIMORE, MD, CHANGE THE CONTRACTING OFFICER REPRESENTATIVE (COR) FROM BRANDACE T. TIMBERS TO JUSTIN W. LOCUS

RCRA COMPLIANCE AND GROUND WATER MONITORING AT U.S. COAST GUARD BASE ELIZABETH CITY ELIZABETH CITY, NORTH CAROLINA.

COMPREHENSIVE ENVIRONMENTAL RESPONSE COMPENSATION LIABILITY ACT (CERCLA) SUPERFUND ACTIVITIES LONG TERM MONITORING & PFAS SAMPLING @ U.S. COAST GUARD YARD, BALTIMORE, MD

PROVIDE ALL MATERIALS, LABOR, EQUIPMENT, TRANSPORTATION, AND SUPERVISION, REQUIRED FOR PERFORM PFAS FOCUSED PRELIMINARY ASSESSMENT AND SITE INVESTIGATION @ U. S. COAST GUARD AIR STATION TRAVERSE, TRAVERSE CITY, MI

LOCKPORT TO LAROSE REACH P&S

THE PURPOSE OF THIS MODIFICATION IS TO EXERCISE TASK ORDER OPTION 1, CLIN 1001 GROUNDWATER PERFORMANCE MONITORING FOR MNA SITES.

EQUITABLE ADJUSTMENT MOD FOR RA-C 600 HILL WASTE PIT.

PERFORM ADDITIONAL WORK @ SECTOR LAKE MICHIGAN SUPPLEMENTAL SITE INVESTIGATION #2 @ U.S. COAST GUARD SECTOR LAKE MICHIGAN, MILWAUKEE, WI.

SERDP NEW START ER25-4796 PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) TREATMENT WITH IN SITU ENGINEERED MINERAL SORPTION (ISEMS).

MULTIPLE AWARD MILITARY MUNITIONS SERVICES CONTRACT (MAMMS) II MILITARY MUNITIONS RESPONSE PROGRAM, NATIONAL GUARD BUREAU, NON-DOD NON-OPERATIONAL DEFENSE SITES, REMEDIAL ACTION SITES PART 2 CLAIM SETTLEMENT

MINIMUM GUARANTEE - DESIGN CONTRACTOR #5

MTG GIWW WEST FEA

THE PURPOSE OF THIS MODIFICATION IS TO REVISE THE DESIGN TO ACCOMMODATE CHANGING THE LEVEE FROM AN EARTHEN EMBANKMENT TO A FLOODWALL AT CL-119

THE PURPOSE OF THIS MODIFICATION IS TO EXECUTE OPTIONAL TASK CLINS 1001 THRU 1010. THIS MODIFICATION WILL INCREASE THE CONTRACT BY $1,207,102.00 FROM $3,669,130.00 TO $4,876,232.00.

ARCHITECT AND ENGINEERING SERVICES - DEFINITIZE WVNS AND ADD FUNDING.

ESTCP PROJECT ER22-7226 MOD 4 TO ADD WORK WITHIN THE SCOPE ADD $314,906 IN FUNDING, INCREASE THE CEILING TO $1,358,083 UPDATE THE ESTCP PROGRAM ADDRESS AND EXTEND THE POP END-DATE BY 12 MONTHS, FROM 05 AUGUST 2026 TO 05 AUGUST 2027.

MODIFICATION TO DESCOPE AND DE-OBLIGATE 0003, 0004, 0006, 0015, 0019, AND 0033.

ESTCP PROJECT EW25-8604 "DEMONSTRATION PROJECT FOR EVALUATION OF NON INVASIVE OF WATER DISTRIBUTION PIPE IDENTIFICATION TECHNOLOGIES"

TRACEN PETALUMA SKEET RANGE PILOT TESTING AND DECISION DOCUMENTS

LOW SILL UNWATERING EDC

ESTCP PROJECT ER22-7313 INCREMENTAL FUNDING

COMPREHENSIVE ENVIRONMENTAL RESPONSE COMPENSATION LIABILITY ACT (CERCLA) SUPERFUND ACTIVITIES LONG TERM MONITORING & PFAS SAMPLING @ U.S. COAST GUARD YARD, BALTIMORE, MD

DESIGN SUPPORT SERVICES

MULTIPLE AWARD MILITARY MUNITIONS SERVICES CONTRACT (MAMMS) II MILITARY MUNITIONS RESPONSE PROGRAM, NATIONAL GUARD BUREAU, NON-DOD NON-OPERATIONAL DEFENSE SITES, REMEDIAL ACTION SITES PART 1 CLAIM SETTLEMENT

PROJECT MANAGEMENT AND LOGISTICS SUPPORT UNDER ESTCP PROJECT ER24-8929 U433000

ESTCP ER23-7696 INC FUNDING

MODIFICATION IS TO INCLUDE DESIGN-ORIENTED CONSTRUCTION PHASE SERVICES BY THE DESIGNER OF RECORD

MUNITION RESPONSE SERVICES AT FORMER RAVENNA ARMY AMMUNITION PLANT, OHIO

MODIFICATION TO INCORPORATE CLINS 0033 AND 0034 FOR ADDITIONAL SUPPORT.

ARCHITECT-ENGINEER SERVICES FOR HAZARDOUS TOXIC RADIOLOGIC WASTE (HTRW) PROJECTS, VARIOUS LOCATIONS WITHIN THE CORPS OF ENGINEERS NORTH ATLANTIC DIVISION (NAD)BOUNDARIES (PRIMARILY NEW ENGLAND)

BASE SCOPE

ANNUAL SYSTEM SAMPLING AND OPERATIONS AND MAINTENANCE, GRAVEL ACCESS ROAD REPAIRS, AND FEASIBILITY STUDY, PROPOSED PLAN, AND RECORD OF DECISION AT FORMER NIKE PR-79 IN FOSTER, RHODE ISLAND.

P00006 - ENVIRONMENTAL AND GEOTECHNICAL STUDIES AT BASE SEATTLE (PSN-14637112)

CLOSEOUT O132700-SELA 26 OP-2 VIBRATION MONITORING

EXPERT WITNESS SERVICES

AE SERVICES - HELENA, AR FW: AE DESIGN

ESTCP ER23-7696. MOD 1 TO ADD $352,910 IN INCREMENTAL FUNDING.TITLE - "OSORB PASSIVE SAMPLER FOR DETERMINATION OF PFAS IN SEDIMENT PORE WATER." GOAL - COST-EFFECTIVELY CHARACTERIZE, REMEDIATE, AND MANAGE AQUATIC SEDIMENT SITES IMPACTED BY CHEMICALS.

UNRESTRICTED A-E: CLOSEOUT OF TASK ORDER W912DQ19F3000

A/E ENVIRONMENTAL SERVICES TO PERFORM GROVE DUMP SITE REMEDIAL AND INVESTIGATION & FEASIBILITY STUDY @ U. S. COAST GUARD, YARD, BALTIMORE, MD, IS TO GRANT A NO COST TIME EXTENSION.

AE SERVICES FOR ENVIRONMENTAL PERMITTING SUPPORT FOR DREDGING AT SECTOR SAN FRANCISCO, USCGC ALDER MOORING & APPROACH, AND STATION GOLDEN GATE, SAN FRANCISCO, CA (PSN- 24406256)

ARCHITECT-ENGINEERING SERVICES - CLOSEOUT MODIFICATION

CLOSEOUT FOR VIBRATION MONITORING PERIOD 2 THRU 4

EQUIPMENT MAINTENANCE.

PROVIDE ALL MATERIALS, LABOR, EQUIPMENT, TRANSPORTATION, AND SUPERVISION, REQUIRED FOR PERFORM PFAS FOCUSED PRELIMINARY ASSESSMENT AND SITE INVESTIGATION @ U. S. COAST GUARD AIR STATION TRAVERSE, TRAVERSE CITY, MI