PrimeRFP SCOUT · Federal Contract Recompete Brief · GSA MAS

W91YTZ21F0226Environmental monitoring SYSTEM — Rees Scientific Corp

Rees Scientific Corp holds $18.7M across 229 federal awards, concentrated at Department of Defense (DOD). This PIID sits alongside 5 related awards under parent GS07F248AA. The prior award was single-bid — competitive dynamics may favor a challenge. Set-aside status: SBA. PoP ended Oct 13, 2021 — the usual 12–18 month planning window is closed; recompete action looks late or overdue.

W40m Rhco Atlantic

Awarding office

Rees Scientific Corp

Recipient

Oct 13, 2021

PoP end

$140K

Obligated

$140K

Potential

334515

NAICS

6630

PSC

GSA MAS

Vehicle

SBA

Set-aside

1 bidders on last award

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Score my position vs Rees Scientific Corp — $90

Contract facts

SBA

Contract numberW91YTZ21F0226

Also listed asW91YTZ-21-F-0226

Also listed asGS07F248AA-W91YTZ21F0226

AgencyW40m Rhco Atlantic

Awarding officeW40m Rhco Atlantic

Awarding agencyDepartment of Defense (DOD)

Funding agencyDepartment of Defense (DOD)

IncumbentRees Scientific Corp

CAGE04DK0

UEINCRKL9YLY2X4

NAICS334515

No full NAICS 334515 intel page yet. Browse NAICS intelligence

PSC6630

VehicleGSA MAS

Parent IDIQ / IDVGS07F248AA

Place of performanceFORT EUSTIS VA

Pricing typeFirm Fixed Price

Extent competedFull And Open Competition

Related solicitationW91YTZ21Q0224

PoP startSep 13, 2021

PoP end (current)Oct 13, 2021

Obligated$140K

Current value$140K

Potential value$140K

ENVIRONMENTAL MONITORING SYSTEM is a federal SBA award for W40m Rhco Atlantic held by Rees Scientific Corp. Estimated value $140K ($140K obligated). Current period of performance ends Oct 13, 2021. Last award drew 1 bidder. Place of performance: FORT EUSTIS VA. Related solicitation W91YTZ21Q0224.

Recompete timing

Public

● Past PoP end (1773 days ago)

Current PoP ended Oct 13, 2021 (1773 days ago). The usual 12–18 month agency planning window is closed — recompete action looks late / overdue relative to a normal cycle. Watch for bridge orders, follow-ons, or a new solicitation.

Incumbent footprint

Public record

Rees Scientific Corp — $18.7M obligated across 229 awards (firm-wide, all agencies) · lead buyer Department of Defense (DOD).

% of firm-wide obligated ($18.7M) · all agencies

Department of Defense (DOD)$9.6M · 51%Department of Health and Human Services (HHS)$6.2M · 33%Department of Veterans Affairs (VA)$2.6M · 14%Department of Commerce (DOC)$135K · 1%

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Query this award live in SCOUT via MCP — personalized scoring, watchlists, and capture workflow across the corpus. Learn about SCOUT MCP →

Frequently asked questions

What is contract W91YTZ21F0226?

W91YTZ21F0226 (Environmental monitoring SYSTEM) is a W40m Rhco Atlantic award with a potential value of $140K, currently held by Rees Scientific Corp. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is W91YTZ-21-F-0226?

W91YTZ-21-F-0226 is the dashed form of PIID W91YTZ21F0226 (Environmental monitoring SYSTEM), held by Rees Scientific Corp. Same award — SCOUT canonicalizes compact, dashed, and parent-child identifiers to one brief.

Which office awarded W91YTZ21F0226?

W40m Rhco Atlantic awarded W91YTZ21F0226 to Rees Scientific Corp (potential $140K).

Who is the incumbent on W91YTZ21F0226?

Rees Scientific Corp is the incumbent with $18.7M across 229 related awards in SCOUT’s public footprint. The current period of performance ends Oct 13, 2021.

When does Rees Scientific Corp’s W91YTZ21F0226 come up for recompete?

SCOUT tracks a period-of-performance end of Oct 13, 2021. Actual solicitation timing can shift with extensions, bridges, or consolidations.

Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of Jun 25, 2026 · refreshed monthlyLatest procurement action Sep 13, 2021