GSI ENVIRONMENTAL INC.

ESTCP PROJECT ER23-7754 INCREMENTAL FUNDING FOR W912HQ23C0083 P00002

ESTCP PROJECT ER25-8746 INCREMENTAL FUNDING

ESTCP PROJECT EW25-8539 INCREMENTAL FUNDING

ESTCP ER25-8813 "ASSESSING PFAS BACKGROUND CONCENTRATIONS AND MASS DISCHARGES AS A FRAMEWORK FOR IMPROVED SITE MANAGEMENT" INCREMENTAL FUNDING

ATTENUATION MECHANISMS FOR LOW CONCENTRATIONS OF 1,4-DIOXANE AND RELATED CONTAMINANTS

ESTCP PROJECT EW25-8539 "CONVECTION-BASED GEOTHERMAL HEAT EXCHANGE FOR HIGH-EFFICIENCY BUILDING HEATING AND COOLING." GOAL - DEMONSTRATE THAT DARCY GEOTHERMAL HEAT EXCHANGE (GHX) SYSTEM IS SUPERIOR TO EXISTING HEATING AND COOLING SYSTEM AT SITE.

SERDP ER23-3713 "DETERMINING PFAS TRANSPORT MECHANISMS WITHIN AFFF-IMPACTED CONSTRUCTION MATERIALS TO DEVELOP BETTER IN-PLACE AND RE-USE" INCREMENTAL FUNDING MANAGEMENT SOLUTIONS FOR THE DOD

SERDP PROJECT ER23-3741 INCREMENTAL FUNDING

NEED NO.2 CONSERVATION OF NATURAL RESOURCES

ESTCP ER25-8813 ASSESSING PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) BACKGROUND CONCENTRATIONS AND MASS DISCHARGES AS A FRAMEWORK FOR IMPROVED SITE MANAGEMENT

ESTCP PROJECT ER23-7754. MOD 1 TO ADD $240,000 IN FUNDING AND UPDATE PROGRAM OFFICE ADDRESS. PROJECT TITLE & GOAL - ASSESSING MASS DISCHARGE FROM PFAS VADOSE VS. SATURATED ZONE VS. MATRIX DIFFUSION SOURCES TO IMPROVE CONCEPTUAL MODELS AND DOD RI/FS.

ESTCP PROJECT ER24-8200 INCREMENTAL FUNDING

ESTCP PROJECT ER24-8358 INCREMENTAL FUNDING

ESTCP PROJECT ER25-8746 "COLLECTING AND COMMUNICATING PFAS REMEDIATION PERFORMANCE VIA A WEB BASED ESTCP TOOL"

ESTCP PROJECT ER24-8963 "THERMAL STEAM PLASMA TREATMENT OF AFFF CONCENTRATE BY DIRECT INJECTION" TO DEMONSTRATE THE EFFECTIVENESS OF A NOVEL THERMAL STEAM PLASMA TECHNOLOGY FOR THE DESTRUCTION OF FLUORINATED SURFACTANTS IN AFFF CONCENTRATES.

INCREMENTAL FUNDING FOR ESTCP PROJECT ER24-8358 W912HQ25C0013 P00001

ESTCP PROJECT ER24-8200 "TWO PFAS REMEDIATION MODELS FOR UNDERSTANDING AND MANAGING PFAS IN THE SATURATED ZONE" INCREMENTAL FUNDING

SERDP PROJECT NO. ER23-3713 INCREMENTAL FUNDING

BROAD AGENCY AGREEMENT (BAA) CONTRACT

ESTCP ER22-7363 GSI ENVIRONMENTAL ADD WORK MODIFICATION

ESTCP PROJECT ER24-8358 TITLE: BIOACCUMULATION PROTOCOL FOR INTEGRATING RESULTS FROM ABIOTIC AND BIOTIC MATERIALS WITH GEOCHEMISTRY FOR SITE-SPECIFIC MANAGEMENT AT DOD SITES

ESTCP ER22-7363 GSI ENVIRONMENTAL. MOD 2 PURPOSE: FINAL FUNDING. PROJECT TITLE: RAPID AND INEXPENSIVE DELIVERY OF PARTICULATE CARBON FOR IN SITU PFAS TREATMENT IN GROUNDWATER. PROJECT OBJECTIVE: ADDRESS FOREVER CHEMICALS (PFAS) IN WATER.

ESTCP PROJECT ER24-8200 INCREMENTAL FUNDING

BROAD AGENCY ANNOUNCEMENT (BAA) CONTRACT

ESTCP PROJECT ER23-7936 IN SITU VESSEL PERMEABLE REACTIVE BARRIER WITH NEW HIGH EFFICIENCY, REPLACEABLE SORBENTS FOR PFAS PLUME CONTROL

BAA NEED TOPIC NO. 6

ESTCP PROJECT ER24-8200. TITLE - TWO PFAS REMEDIATION MODELS FOR UNDERSTANDING AND MANAGING PFAS IN THE SATURATED ZONE. OBJECTIVE - DEVELOP 2 MODELS TO LEVERAGE EXISTING CODE, INTERFACES, AND KNOWLEDGE FOR REMEDIATION DECISION-MAKING

SERDP PROJECT ER23-3741 INCREMENTAL FUNDING

ESTCP PROJECT ER24-8156 THERMAL STEAM PLASMA TREATMENT OF VOLATILE PFAS EMISSIONS FROM THERMAL DESTRUCTIVE TECHNOLOGIES

DE-SCOPING OF CONTRACTING FOR OPTIMIZED REMEDIATION PERFORMANCE AT NAVY COMPLEX SITES.

PROVIDE INCREMENTAL FUNDING TO CLIN 0002 IN THE AMOUNT OF $125,219.00

ER21-5136 GSI ENVIRONMENTAL INC "NANOFILTRATION FOLLOWED BY ELECTRICAL DISCHARGE PLASMA FOR DESTRUCTION OF PFAS AND CO-CONTAMINANTS IN GROUNDWATER: A TREATMENT TRAIN APPROACH" ADDITIONAL WORK MODIFICATION FOR EPA METHOD CHANGES.

SERDP ER23-C4-3904 ATTENUATION MECHANISM

ESTCP PROJECT ER23-7892

SERDP PROJECT NO. ER23-3713

ESTCP PROJECT ER23-7892 TITLE: LAST PIECE OF THE PUZZLE: SEPARATING AND DESTROYING SHORT- CHAINED PFAS FROM WASTE STREAMS BY COMBINING COLLOIDAL GAS APHRONS (CGAS) WITH PLASMA

FY22 SERDP ER22-3221 INCREMENTAL FUNDING

ESTCP PROJECT ER22-7381 FINAL FUNDING MODIFICATION

ESTCP PROJECT ER22-7381 INCREMENTAL FUNDING MODIFICATION

ESTCP PROJECT ER23-7898

SCOPE INCREASE MODIFICATION

ESTCP PROJECT ER23-7754 "ASSESSING MASS DISCHARGE FROM PFAS VADOSE VS. SATURATED ZONE VS. MATRIX DIFFUSION SOURCES TO IMPROVE CONCEPTUAL MODELS AND DOD RI/FS"

ESTCP PROJECT ER22-7381. ADD WORK MOD P00002

SERDP PROJECT ER23-3741 "UNDERSTANDING THE SPATIAL/TEMPORAL NATURE OF AFFF PFAS LOADINGS IN STORMWATER TO DEVELOP TARGETED STORMWATER TREATMENT TECHNOLOGIES"

ER22-7422 GSI ENVIRONMENTAL FINAL FUNDING

ESTCP PROJECT ER21-5198 FINAL FUNDING

ESTCP PROJECT ER22-7381 INCREMENTAL FUNDING

ER21-5136 GSI ENVIRONMENTAL INC FINAL FUNDING

ER22-7363 GSI ENVIRONMENTAL INCREMENTAL FUNDING

BAA NEED TOPIC NO. 6