# SERDP Project - PFAS Transport Through the Vadose Zone: Effects of Heterogeneity, Non-Equilibrium and Co-Contaminants

Canonical: https://abierto.us/opportunities/w912hq26ca021

- Solicitation number: W912HQ26CA021
- Notice type: Award notice
- Status: Awarded to Queens University at Kingston for $1,431,968.00
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W4LD USA Hecsa (W912HQ)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AJ11 General Science And Technology R&D Services; General Science And Technology; Basic Research
- Place of performance: kingston, CA-ON, CAN
- County: Arlington County (FIPS 51013). https://abierto.us/counties/arlington-county-va-51013
- City: Arlington. https://abierto.us/cities/arlington-va-5103000
- First posted: January 22, 2026
- Last posted: January 22, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/532e95da61c74456acc1eb33fdc2e6b2/view

## Description

SERDP Project -PFAS Transport Through the Vadose Zone: Effects of Heterogeneity, Non-Equilibrium and Co-Contaminants

## Award on USAspending

- Recipient: Queens University at Kingston (UEI SU8CALPMK4C1)
- Contract: W912HQ26CA021, definitive contract
- Obligated: $350,000.00, current value $1,431,968
- Competition: Full and Open Competition, 176 offers received
- Link: award number W912HQ26CA021 equals the contract number; same awarding office W912HQ (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_W912HQ26CA021_9700_-NONE-_-NONE-/


## Publications

- January 22, 2026: Award notice. Notice 532e95da61c74456acc1eb33fdc2e6b2. https://sam.gov/workspace/contract/opp/532e95da61c74456acc1eb33fdc2e6b2/view

## Points of contact

- Richard Klein, Richard.C.Klein@usace.army.mil, 7034287943
- W. Dale Dewar, wesley.d.dewar@usace.army.mil, 7034286485

---
Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w912hq26ca021.