Hahn, Sohyun

Procurement contact · HEADQUARTERS ACQUISITION DIV (HQAD) · Environmental Protection Agency

Emailhahn.sohyun@epa.gov
Phone202-564-3663
On SAM.gov notices24 since Dec 2019 — 9 in the last 24 months
Last listedApr 2025

What they buy

NAICSIndustryNotices
334516Analytical Laboratory Instrument Manufacturing9
541380Testing Laboratories And Services2
562211Hazardous Waste Treatment And Disposal2
519290Web Search Portals And All Other Information Services2
518210Data Processing, Hosting, And Related Services1
519120Libraries And Archives1
519130Internet Publishing And Broadcasting And Web Search Portals1
541620Environmental Consulting Services1
PSCProduct or serviceNotices
6640LABORATORY EQUIPMENT AND SUPPLIES8
B504SPECIAL STUDIES/ANALYSIS- CHEMICAL/BIOLOGICAL2
F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION2
R701SUPPORT- MANAGEMENT: ADVERTISING2
7630NEWSPAPERS AND PERIODICALS1
6145WIRE AND CABLE, ELECTRICAL1
J066MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT1
R410SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT1

How they restrict competition

  • No set-aside stated — 24

What they post

  • Special Notice — 11
  • Solicitation — 7
  • Sources Sought — 3
  • Presolicitation — 2
  • Combined Synopsis/Solicitation — 1

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Source: SAM.gov contract notices that list this contact, including SAM's fiscal-year archives from FY2015. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Is this you? Ask us to remove this page.

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Source data: SAM.gov (solicitations) and USASpending.gov (awards), refreshed nightly. FedSift is not affiliated with the U.S. Government.

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