Dotson, Tanjia

Procurement contact · REGION 4 CONTRACTING OFFICE · Environmental Protection Agency

Emaildotson.tanjia@epa.gov
Phone404-562-8304
On SAM.gov notices8 since Sep 2024 — 5 in the last 24 months
Last listedSep 2026
Award notices1

What they buy

NAICSIndustryNotices
334516Analytical Laboratory Instrument Manufacturing6
541620Environmental Consulting Services1
541990All Other Professional, Scientific, And Technical Services1
PSCProduct or serviceNotices
6640LABORATORY EQUIPMENT AND SUPPLIES5
6665HAZARD-DETECTING INSTRUMENTS AND APPARATUS1
F999OTHER ENVIRONMENTAL SERVICES1
R420SUPPORT- PROFESSIONAL: CERTIFICATIONS AND ACCREDITATIONS (OTHER THAN EDUC OR INFO TECH C&A)1

How they restrict competition

  • No set-aside stated — 5
  • Small Business — 2

What they post

  • Presolicitation — 3
  • Solicitation — 3
  • Award Notice — 1
  • Special Notice — 1

Who won their award notices

AwardeeAward noticesLatest
Aleut Services, LLC 5775 Mark Dabling Blvd, Ste 105 Colorado Springs CO 80919 USA1Sep 2026
GOVERNMENT SCIENTIFIC SOURCE INC 12351 SUNRISE VALLEY DRIVE Reston VA 20191 USA1Apr 2026

Recent notices

Track what EPA buys

See Dotson,'s full record, every buyer at EPA and the contracts expiring next in FedSift's Agency Intelligence. Free plan available, no credit card.

Open in FedSift →

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.

FedSift turns SAM.gov and USASpending data into federal BD intelligence — smart matches, recompete radar, cited AI solicitation analysis and compliance matrices.

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

Pricing · Privacy · Terms · support@fedsift.app