Task order 4R - environmental autoimmunity group (EAG) - study support
Ended Awarded Last action
- Contract number
- 75N96021F00004
- Awardee
-
Social & Scientific Systems, Inc. UEI XKMBEM2BTLK3 Part of DLH Holdings Corp
- Awarding agency
-
National Institute of Environmental Health Sciences
National Institutes of Health, Department of Health and Human Services
- Obligated
- $3,090,101
Award facts
- Contract value 100% obligated
- $3,090,101.39 Current and potential, with all options
- Completion date 100% complete
- Current and potential, with all options
- NAICS code
- 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)
- PSC
- AJ11 General Science And Technology R&D Services; General Science And Technology; Basic Research
- Set-aside
- No set-aside
- Competition
- Full and Open Competition Negotiated Proposal / Quote
- Pricing
- Cost Plus Fixed Fee
- Place of performance
- Silver Spring, MD 20910, USA
- Legislative mandates
-
- Employment Eligibility Verification (E-Verify) FAR subpart 22.18
- Service Contract Inventory FAR subpart 4.17
Award details come from SAM.gov/FPDS.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | -$292,259 | |
| Funding Only Action | -$624 | |
| Funding Only Action | $415,204 | |
| Funding Only Action | $307,055 | |
| Funding Only Action | $200,000 | |
| Exercise an Option | $82,069 | |
| Change Order | $446,131 | |
| Funding Only Action | $59,541 | |
| Other Administrative Action | $0 | |
| Funding Only Action | $267,151 | |
| Exercise an Option | $267,152 | |
| Supplemental Agreement for work within scope | $0 | |
| Supplemental Agreement for work within scope | $145,385 | |
| Exercise an Option | $521,785 | |
| Supplemental Agreement for work within scope | $290,890 | |
| Funding Only Action | $47,678 | |
| Exercise an Option | $151,004 | |
| Funding Only Action | $51,940 | |
| Original award | $130,000 |
Show all 19
About this award
The National Institute of Environmental Health Sciences issued a delivery order to Social & Scientific Systems, Inc. on June 1, 2021, with a $3.09 million ceiling for clinical research support and Environmental Autoimmunity Group study coordination. A bilateral modification effective August 31, 2026, revises the period of performance under the FAR 52.217-8 extension and reduces estimated cost and fixed fee for the extension portion.
Place of performance is Silver Spring, MD. The order is priced on a cost-plus-fixed-fee basis with no set-aside designation.
Service Contract Inventory reporting shows the order's labor footprint has grown from 1.2 FTEs and 2,417 contractor hours in FY2022 to 5.9 FTEs in FY2025. Derived government-paid hourly rates rose from $74.95/hr in FY2022 to $83.02/hr in FY2024, reflecting an upward pricing trend. In FY2025, the prime self-performed all reported hours with no subcontractors reported. Total invoiced amounts across reported years: $181 thousand (FY2022), $612 thousand (FY2023), $628 thousand (FY2024), and $1 million (FY2025).
Quick answers
Who was awarded contract 75N96021F00004?
75N96021F00004 was awarded to Social & Scientific Systems, Inc. by National Institute of Environmental Health Sciences (National Institutes of Health) on June 1, 2021.
How much is contract 75N96021F00004 worth?
The government has obligated $3,090,101 on 75N96021F00004.
Is contract 75N96021F00004 an order under another contract?
Yes. 75N96021F00004 is a delivery order under HHSN273201600002I, an indefinite delivery contract.
Was contract 75N96021F00004 competed?
The extent of competition for 75N96021F00004 was full and open competition.
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