ESA SERVICES FOR 20 MILE AND 18 MILE LOCATIONS ON THE CHUGACH NATIONAL FOREST TERRAPHASE ENGINEERING INC $15,499 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services B510 SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS Aug 18, 2025 Aug 18, 2025 Oct 31, 2025
SULWHANON WELL HYDROGEOLOGICAL CONSULTING SERVICES TERRAPHASE ENGINEERING INC $23,118 INDIAN HEALTH SERVICE INDIAN HEALTH SERVICE — 541620 Environmental Consulting Services B533 SPECIAL STUDIES/ANALYSIS- WATER QUALITY Aug 29, 2024 Aug 29, 2024 Jul 15, 2026
R-6 (PACIFIC NORTHWEST), ENGINEERING, CERCLA ACTIVITY UPPER GRANITE CREEK WATERSHED MINES, INTEGRATED EECA AP # 675872 TERRAPHASE ENGINEERING INC $96,321 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services F107 ENVIRONMENTAL SYSTEMS PROTECTION- TOXIC AND HAZARDOUS SUBSTANCE ANALYSIS Jul 19, 2024 Jul 19, 2024 Aug 1, 2025
EXPERT WITNESS SERVICES TERRAPHASE ENGINEERING INC $7,464 OFFICES, BOARDS AND DIVISIONS OFFICES, BOARDS AND DIVISIONS — 541199 All Other Legal Services R424 SUPPORT- PROFESSIONAL: EXPERT WITNESS Apr 21, 2022 Apr 21, 2022 Aug 2, 2024
TO OBTAIN GROUND PENETRATING RADAR SERVICES FOR THE DOG MOUNTAIN TRAILHEAD AND DETERMINE THE PRESENCE OR ABSENCE OF ABANDONED STORAGE TANKS. THIS WORK WILL INFORM FUTURE MANAGEMENT OPTIONS FOR THE TRAILHEAD AND IS TIED TO A FY22 GAOA PROJECT (DOG MOU TERRAPHASE ENGINEERING INC $5,665 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services B510 SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS Jan 7, 2022 Jan 7, 2022 Dec 31, 2022
ENVIRONMENTAL CONSULTING SERVICES TERRAPHASE ENGINEERING INC $279,908 MARITIME ADMINISTRATION MARITIME ADMINISTRATION — 541620 Environmental Consulting Services F103 ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT Jun 2, 2021 Jun 2, 2021 Sep 5, 2026
TIMBER LAKE JOB CORPS CENTER WATER TREATMENT PLANT HAZARDOUS MATERIALS ASSESSMENT TERRAPHASE ENGINEERING INC $3,130 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services B510 SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS Apr 15, 2021 Apr 15, 2021 May 17, 2021
LAKEVIEW RANGER STATION GROUNDWATER MONITORING TERRAPHASE ENGINEERING INC $115,167 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services B510 SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS Apr 30, 2020 Apr 30, 2020 Aug 31, 2023
INDEPENDENT MINE DAM SEDIMENT CHARACTERIZATION&CONCEPTUAL DISPOSAL TERRAPHASE ENGINEERING INC $69,602 FOREST SERVICE FOREST SERVICE — 541330 Engineering Services C215 ARCHITECT AND ENGINEERING- GENERAL: PRODUCTION ENGINEERING Apr 10, 2020 Apr 10, 2020 Sep 30, 2020
X:NOGRN, SERVICE, MUIR WOODS SWPPP SERVICES AT MUIR WOODS NATIONAL MONUMENT&MOUNT TAMALPAIS STATE PARK, MILL VALLEY, MARIN COUNTY, CA. TERRAPHASE ENGINEERING INC $56,600 NATIONAL PARK SERVICE NATIONAL PARK SERVICE — 541620 Environmental Consulting Services R425 SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL Sep 9, 2019 Sep 9, 2019 Nov 30, 2020
A/E MINE IDIQ MIN GUARANTEE TERRAPHASE ENGINEERING INC $0 FOREST SERVICE FOREST SERVICE — 541330 Engineering Services C215 ARCHITECT AND ENGINEERING- GENERAL: PRODUCTION ENGINEERING Aug 28, 2018 Aug 28, 2018 Aug 28, 2023
HAZMAT IDIQ MIN GUARANTEE TERRAPHASE ENGINEERING INC $0 FOREST SERVICE FOREST SERVICE — 562910 Remediation Services B510 SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS Mar 27, 2018 Mar 27, 2018 Mar 27, 2023