REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 FOR OTTAWA TOWNSHIP FLAT GLASS (OTFG) SUPERFUND SITE. S.S. PAPADOPULOS & ASSOCIATES, INC. $246,340 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES May 20, 2026 May 20, 2026 Sep 8, 2027
REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). CHEMICAL RECOVERY SYSTEMS SUPERFUND SITE. S.S. PAPADOPULOS & ASSOCIATES, INC. $371,016 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES May 14, 2026 May 14, 2026 Sep 9, 2027
BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA# 68HE0524A0002. S.S. PAPADOPULOS & ASSOCIATES, INC. $194,210 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Apr 20, 2026 Apr 20, 2026 Sep 8, 2027
GEOS4 CALL ORDER UNDER GEOS4 FOR KURT MANUFACTURING (05X1) SUPERFUND SITE. S.S. PAPADOPULOS & ASSOCIATES, INC. $251,611 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Apr 7, 2026 Apr 7, 2026 Sep 8, 2027
EXPERT WITNESS S.S. PAPADOPULOS & ASSOCIATES, INC. $339,634 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Feb 18, 2026 Feb 18, 2026 Feb 1, 2031
REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS), INITIAL BASE CALL ORDER UNDER GEOS 4 FOR THE PRISTINE INC SUPERFUND SITE SSID 0556. S.S. PAPADOPULOS & ASSOCIATES, INC. $540,980 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Dec 18, 2025 Dec 18, 2025 Sep 8, 2027
REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 SUPPORT FOR FOREST WASTE PRODUCTS SUPERFUND SITE (SSID: 05D5). S.S. PAPADOPULOS & ASSOCIATES, INC. $250,423 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Sep 29, 2025 Sep 29, 2025 Sep 8, 2027
GEOS4 SUPPORT FOR SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SOURCE AREA 9/10; (SSID 05DK). S.S. PAPADOPULOS & ASSOCIATES, INC. $172,504 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Sep 29, 2025 Sep 29, 2025 Sep 9, 2027
GEOS4 CALL ORDER FOR REILLY TAR & CHEMICAL CORP., ST. LOUIS PARK PLANT (SSID: 0506). S.S. PAPADOPULOS & ASSOCIATES, INC. $130,170 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Sep 17, 2025 Sep 17, 2025 Sep 8, 2026
GEOS4 CALL ORDER FOR ACME SOLVENT RECLAIMING SUPERFUND SITE IN ROCKFORD ILLINOIS; SITE 0579. S.S. PAPADOPULOS & ASSOCIATES, INC. $789,620 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Aug 25, 2025 Aug 25, 2025 Sep 8, 2027
GEOS4 SUPPORT FOR UNION CARBIDE, SITE B LANDFILL SUPERFUND SITE (SSID 05F4). S.S. PAPADOPULOS & ASSOCIATES, INC. $373,247 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Aug 11, 2025 Aug 11, 2025 Sep 8, 2027
SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SITEWIDE SUPPORT UNDER GEOS4 BPA. S.S. PAPADOPULOS & ASSOCIATES, INC. $432,357 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Jun 9, 2025 Jun 9, 2025 Sep 8, 2026
ST. REGIS PAPER COMPANY SUPERFUND SITE (SSID 05J2) S.S. PAPADOPULOS & ASSOCIATES, INC. $485,403 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Apr 28, 2025 Apr 28, 2025 Sep 8, 2027
GEOS4 SUPPORT FOR BENDIX CORP./ALLIED AUTOMOTIVE SUPERFUND SITE (SSID 05AS) S.S. PAPADOPULOS & ASSOCIATES, INC. $469,893 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Mar 25, 2025 Mar 25, 2025 Sep 8, 2027
GARDEN CITY GROUNDWATER PLUME SUPERFUND SITE SUPPORT UNDER GEOS4 BPA. S.S. PAPADOPULOS & ASSOCIATES, INC. $282,467 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Sep 30, 2024 Sep 30, 2024 Sep 8, 2027
BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA#68HE0524A0002. S.S. PAPADOPULOS & ASSOCIATES, INC. $748,592 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services F999 OTHER ENVIRONMENTAL SERVICES Sep 30, 2024 Sep 30, 2024 Apr 30, 2026
EXPERT WITNESS S.S. PAPADOPULOS & ASSOCIATES, INC. $402,336 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Sep 11, 2023 Sep 11, 2023 Feb 1, 2029
AWARD IS FOR SITE WIDE ENVIRONMENTAL MONITORING AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO. S.S. PAPADOPULOS & ASSOCIATES, INC. $1,186,798 PUBLIC BUILDINGS SERVICE PUBLIC BUILDINGS SERVICE — 541620 Environmental Consulting Services F108 ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION Sep 7, 2023 Oct 1, 2023 Sep 30, 2028
EXPERT WITNESS S.S. PAPADOPULOS & ASSOCIATES, INC. $141,366 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Aug 28, 2023 Aug 28, 2023 Apr 30, 2028
MT3D-USGS SOFTWARE MODERNIZATION S.S. PAPADOPULOS & ASSOCIATES, INC. $497,499 US GEOLOGICAL SURVEY US GEOLOGICAL SURVEY — 541620 Environmental Consulting Services R499 SUPPORT- PROFESSIONAL: OTHER Aug 23, 2023 Sep 1, 2023 Aug 31, 2028
RED HILL FUEL STORAGE FACILITY EXPERT ENVIRONMENTAL SUPPORT S.S. PAPADOPULOS & ASSOCIATES, INC. $1,528,412 ENVIRONMENTAL PROTECTION AGENCY ENVIRONMENTAL PROTECTION AGENCY — 541620 Environmental Consulting Services R499 SUPPORT- PROFESSIONAL: OTHER Jun 28, 2023 Jul 1, 2023 Jun 30, 2027
GRID BY GRID INSPECTION OF SE CORNER AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO S.S. PAPADOPULOS & ASSOCIATES, INC. $2,177,114 PUBLIC BUILDINGS SERVICE PUBLIC BUILDINGS SERVICE — 541620 Environmental Consulting Services F108 ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION Sep 29, 2022 Oct 1, 2022 Sep 30, 2027
EXPERT WITNESS SERVICES S.S. PAPADOPULOS & ASSOCIATES, INC. $2,466,276 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Jul 21, 2022 Jul 21, 2022 Dec 31, 2026
AWARD FOR AIR EMISSIONS CONSULTATION AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO. S.S. PAPADOPULOS & ASSOCIATES, INC. $24,456 PUBLIC BUILDINGS SERVICE PUBLIC BUILDINGS SERVICE — 541620 Environmental Consulting Services F101 ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT Apr 7, 2022 Apr 1, 2022 Mar 31, 2023
EXPERT WITNESS SERVICES S.S. PAPADOPULOS & ASSOCIATES, INC. $186,217 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Jan 24, 2022 Jan 24, 2022 Nov 1, 2024