TRC ENVIRONMENTAL CORP

DEOBLIGATE PARTIAL FUNDING DUE TO ADMINISTRATIVE ERROR.

EPA RESEARCH TRIANGLE PARK, NORTH CAROLINA IS RESPONSIBLE FOR PROCURING, TESTING, AND DISTRIBUTING FILTERS OF HIGH PURITY TO THE STATE/LOCAL AIR POLLUTION CONTROL AGENCIES. THE QUARTZ FILTERS ARE USED WITH A SIZE SELECTIVE SAMPLER (SSI) TO COLLECT PM

TO 128 SUPERFUND CLEANUP PROGRAM AREA E CLASSIFICATION EXCEPTION AREA

AREA Z ANNUAL PER MONITORING WELL GROUNDWATER SAMPLING EVENT - 2025

NEW TRC TO 129 DESCRIPTION:CERCLA COMPLIANCE AND COORDINATION MEETING INVOLVEMENT 2025

AREA Z BUILDING 33 WATER TREATMENT PLANT PFAS TREATMENT DESIGN JCN 25015831

NEW TRC TO 125 UST 204C FORMER NAVY LANDFILL

NEW TRC TO 126 AREA 56 PREDESIGN INVESTIGATION

NEW TRC TO 124 PERFORM ONSITE ENGINEERING SUPPORT FOR NON-TIME-CRITICAL REMOVAL ACTION

DEOBLIGATE FUNDING TASK ORDER 97 CONDUCT A FEASIBILITY STUDY FOR SUPERFUND AREA Y BUILDINGS 63

DEOBLIGATE UNUSED FUNDS TRC TO 100 ANNUAL PER WELL SAMPLING AREA Z.

NEW TRC TO 122 AREA Y POST NTCRA GW SAMPLING

NEW TRC TO 123 PREPARE A RECORD OF DECISION AMENDMENT FOR THE FAA WILLIAM J HUGHES TECHNICAL CENTER SUPERFUND AREA 20A SALVAGE YARD.

NEW TRC TASK ORDER 119 FOR AREA Z COMP GW MODELING AT THE WJHTC

NEW TRC TO 120 FOR AREA B WETLANDS HYDROLOGY MONITORING

NEW TRC TO 121 AREA Y NTCRA REGULATORY

ARCHAEOLOGICAL ASSESSMENT FOR SITE DAMAGE AND CUMULATIVE CONTEXTS: NRHP ARCHEOLOGICAL ASSESSMENT FOR FIRE SUPPRESSION IMPACTS AND ASSOCIATED ARCHAEOLOGICAL SITE DAMAGES INCLUDING CULTURAL RESOURCE SITE CONTEXT EVALUATIONS AND POSSIBLE NEW ARTIFACT A

NEW TRC TO 118 AREA Y RAR

PERFORM YEAR 2 POST-PERMEABLE ADSORPTIVE BARRIER (PAB) INJECTION GROUNDWATER SAMPLING AT THE FAA WILLIAM J. HUGHES TECHNICAL CENTER AREA B.

NEW TRC TO 115 AREA 41 TANK NTCRA

CONDUCT AREA U BIOTA AND NATURAL ATTENUATION MONITORING FOR THE WILLIAM J. HUGHES TECHNICAL CENTER SUPERFUND PROGRAM

DEOBLIGATION OF REMAINING FUNDS ON TRC TO 95.

NEW TRC TO 114 AREA B PAB RAR

NEW TRC TO 111 TO CONDUCT THE PLANNING, PREPARATION, WATER LEVEL GAUGING, GROUNDWATER SAMPLING AND ANALYSIS, AND REPORTING FOR THE PERIMETER MONITORING WELL PROGRAM

NEW TRC TO 113 PFAS INVESTIGATION REMEDIAL INVESTIGATION WORK PLAN.

NEW TRC TO 112 COMPLIANCE AND COORDINATION MEETINGS

FILTER ACCEPTANCE TESTING OF TEFLON, GLASS, QUARTZ FILTERS

TO 92 DEOBIGATION OF UNUSED FUNDS.

TRC TO 87 MOD TO DEOBLIGATE UNUSED FUNDING.

TRC TO 91 DEOBLIGATION OF UNUSED FUNDING.

TRC TO 86 MOD TO DEOBLIGATE REMAINING FUNDS.

TRC TO 81 DEOBLIGATION OF UNUSED FUNDING .

NEW TRC TO 110 QUALITY ASSURANCE PROJECT PLANS QAPP WJHTC

TRC TO 69 MOD TO DEOBLIGATE REMAINING FUNDS.

TRC TO 33 MOD TO DE OBLIGATE REMAINING FUNDS.

THE PURPOSE OF THIS TASK ORDER MODIFICATION IS TO ADD FUNDING FOR ADDITIONAL ENGINEERING SUPPORT AND EXTEND THE CURRENT POP TO 4 4 2025

CONDUCT AREA B WETLANDS HYDROLOGY MONITORING FOR THE WILLIAM J. HUGHES TECHNICAL CENTER SUPERFUND PROGRAM.

CONDUCT THE YEAR 2 POST PLUMESTOP INJECTION PLANNING, PREPARATION, AND GROUNDWATER SAMPLING AND ANALYSIS FOR THE FAA WJHTC AREA 20A. BIL FUNDED

NEW TRC TO 109 CONDUCT THE POST PLUMESTOP INJECTION YEAR 2 PLANNING, PREPARATION, AND GROUNDWATER SAMPLING ANALYSIS FOR SUPERFUND AREA E.

NEW TO 106 AREA U BIOTA AND NATURAL ATTENUATION MONITORING AND NATURAL ATTENUATION MONITORING AT THE FAA WILLIAM J. HUGHES TECHNICAL CENTER SUPERFUND AREA

NEW TRC TO 104 AREA B PAB BASELINE SAMPLING

NEW TRC TO 105 TITLE V AIR MODELING PROTOCOL AND RISK ASSESSMENT.

THE PURPOSE OF THIS TASK ORDER MODIFICATION IS TO ADD FUNDING FOR ADDITIONAL ENGINEERING SUPPORT.

MIGRATED ID04200120 FY20 EPA FILTER TESTING

TRC TO 80 DEOBLIGATE UNUSED FUNDS.

TRC TO 76 DEOBLIGATE REMAINING UNUSED FUNDS.

TRC TO 83 MODIFICATION TO DEOBLIGATE REMAINING FUNDS

TRC TO 77 MOD TO DEOBLIGATE REMAINING FUNDS.

NEW TRC TO 103 TO PREPARE THE SIXTH FIVE-YEAR REVIEW FOR THE WILLIAM J. HUGHES TECHNICAL CENTER SUPERFUND PROGRAM.

NEW TRC TASK ORDER 97 CONDUCT A FEASIBILITY STUDY FOR SUPERFUND AREA Y BUILDINGS 63 AND 64 AT THE FAA WILLIAM J. HUGHES TECHNICAL CENTER BIL FUNDING