Skip to content
BidBenchmark

PSC code

SPECIAL STUDIES/ANALYSIS- AIR QUALITY

PSC code
B502
Latest action
Sep 15, 2026
Median award value
Not published

Fewer than the minimum comparable awards under this PSC code.

Awards
501
Contractors
28

Largest awards under this code

AwardContractorAgencyPlaceFirst actionCurrent value
47QFSA24F0011

REALIGNMENT OF FUNDS AND DE-OBLIGATION OF EXPIRED FUNDS

GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.General Services AdministrationDCMar 31, 2026$6,333,997
140P2124F0025

NR-ARD-1 IMPROVE OPS & FILTER ANALYSIS

UNIVERSITY OF CALIFORNIA, DAVISDepartment of the InteriorCAJan 31, 2024$3,557,734
140P2125F0013

NR-ARD-02 IMPROVE OPS & FILTER ANALYSIS

UNIVERSITY OF CALIFORNIA, DAVISDepartment of the InteriorCAApr 7, 2025$2,783,301
140P2126F0038

NR-ARD-281 IMPROVE NETWORK OPERATIONS

UNIVERSITY OF CALIFORNIA, DAVISDepartment of the InteriorCAApr 30, 2026$2,722,726
140P2126F0094

NR-ARD-1 GPMP NETWORK OPS TASK ORDER

AIR RESOURCE SPECIALISTS, INCDepartment of the InteriorCOJul 14, 2026$1,970,115
140M0122C0012

GM-22-01 ABANDONED OIL AND GAS WELLS

CSA OCEAN SCIENCES INCDepartment of the InteriorFLSep 22, 2022$1,779,354
140L6320F0014

KAKTOVIK AIR QUALITY MONITORING STATION

PINYON ENVIRONMENTAL, INC.Department of the InteriorAKSep 25, 2020$1,772,453
FA850125F0126

THIS CONTRACT WILL PROVIDE SERVICES TO SUPPORT THE 78 MEDICAL GROUP (MDG) BIOENVIRONMENTAL ENGINEERING (BE) INDUSTRIAL HYGIENE AIR SAMPLING EVALUATIONS AND ROUTINE ASSESSMENTS OF INDUSTRIAL VENTILATION SYSTEMS.

H & L ENVIRONMENTAL SERVICES, LLCDepartment of DefenseGAMay 1, 2026$1,510,171
140L0622F0153

DEOB MODIFICATION FOR CLOSEOUT

ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLCDepartment of the InteriorNMJun 18, 2026$1,308,809
140P2123C0036

THE PURPOSE OF THIS MODIFICATION IS TO ENSURE COMPLIANCE WITH UPDATED FEDERAL GUIDANCE AND TO ELIMINATE NON-STATUTORY SUSTAINABILITY REQUIREMENTS, AS WELL AS ENHANCE THE REPRESENTATIONAL AND CERTIFICATION CLAUSES WITHIN THE CONTRACT.

WSP USA ENVIRONMENT & INFRASTRUCTURE INC.Department of the InteriorPAJun 23, 2026$991,797
140P2126F0097

NR-ARD-4 DRI-IMPROVE CARBON ANALYSIS

NEVADA SYSTEM OF HIGHER EDUCATIONDepartment of the InteriorNVJul 15, 2026$773,310
140P2126F0107

NR-ARD-6 IMPROVE ION ANALYSIS TO OP 1

RESEARCH TRIANGLE INSTITUTEDepartment of the InteriorNCJul 23, 2026$420,075
140P2124F0115

NR-ARD-5 OPTICAL & SCENE MONITORING TASK ORDER

AIR RESOURCE SPECIALISTS, INCDepartment of the InteriorCOJun 13, 2024$364,663
140P2126F0073

NR-ARD-272 OPTICAL AND SCENE MONITORING

AIR RESOURCE SPECIALISTS, INCDepartment of the InteriorCOMay 11, 2026$340,547
36C24624F0003

ASBESTOS AIR MONITORING

MABBETT & ASSOCIATES, INC.Department of Veterans AffairsVAJul 10, 2026$263,668
1333MJ26P0058

SPECIALIZED AIRCRAFT AND REMOTE SENSING MEASUREMENT SERVICES TO SUPPORT NOAA ATMOSPHERIC RESEARCH.

ULTRAPURE AIR, LLCDepartment of CommerceNYAug 31, 2026$150,000
36C26224C0262

EO 14398 MODIFICATION. AIR QUALITY MONITORING SERVICE

SATORI DEFENSE LLCDepartment of Veterans AffairsCAMay 30, 2026$108,923
36C24226N0111

IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES

TRINE ENVIRONMENTAL INCDepartment of Veterans AffairsNYMay 29, 2026$90,000
W912PP25V0002

JOHN MARTIN AND TRINIDAD CURATION (LOUDEN HENRITZE CURATION)

STATE BOARD FOR COMMUNITY COLLEGES & OCCDepartment of DefenseCOMar 30, 2026$78,650
140L0624F0177

MOD TO DEOBLIGATE EXCESS FUNDING AND DO A NO COST CANCELLATION.

AIR RESOURCE SPECIALISTS, INCDepartment of the InteriorCOMay 6, 2026$63,123
68HERL26P0264

PROCURE A PROTOTYPE NOY AMBIENT MONITOR AND MANUFACTURER SUPPORT, INSTALLATION, SERVICE, AND TRAINING, FOR DEPLOYMENT AT EPAS AIR INNOVATION RESEARCH STATION, AIRS, IN RTP

DIRECT OPTICS INC.Environmental Protection Agency—Aug 24, 2026$62,500
88310326P00020

ROCHESTER INSTITUTE OF TECHNOLOGY - ACCESS TO ECLIMATENOTEBOOK AND CALIBRATION SERVICES FOR PEM2 DATALOGGERS

ROCHESTER INSTITUTE OF TECHNOLOGYNational Archives and Records AdministrationMDSep 15, 2026$46,300
2033H626F00046

INDOOR AIR AND WATER QUALITY TESTING AT ALL FISCAL SERVICE LOCATIONS - ADD CLAUSE 52.222-90

ENVIRONMENTAL CONSULTING GROUP, INC.Department of the TreasuryILMay 7, 2026$42,777
6991PE22P000024

ASBESTOS AIR MONITORING THE CORE SERVICES OF THIS PROJECT ARE TO PROVIDE FOR QUARTERLY ASBESTOS MONITORING OF SUISUN BAY RESERVE FLEET (SBRF) EMPLOYEES AND VESSELS. THE CONTRACTOR SHALL PROVIDE ALL LABOR, SUPERVISION, EQUIPMENT AND MATERIAL TO

TITAN ENVIRONMENTAL SOLUTIONS, INCDepartment of TransportationCASep 5, 2022$42,289
6913G626P800028

THE PURPOSE OF THIS REQUEST IS TO CONDUCT A LASPORT ANALYSIS IN SUPPORT OF NONLINEAR CHEMISTRY AND AIRCRAFT EXHAUST MODELING ENHANCEMENTS.

JANICKE GBR INGENIEURBURO FUR UMWELTPHYSIKDepartment of Transportation—Jun 12, 2026$40,250

Related records

Derived from awards these records share, ordered by how many.

Sources and method

Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.

Totals cover awards where the government recorded this PSC code. Codes are taken as reported; awards are never reclassified into a different code.

  1. 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Sep 24, 2026. Miscoded awards stay miscoded here; we do not reassign codes.