Contract 31310018F0091
Southwest Research Institute · Nuclear Regulatory Commission · August 8, 2018
Southwest Research Institute was awarded a federal contract by Nuclear Regulatory Commission on August 8, 2018 for $1.43 million of work in hazardous waste treatment and disposal. Performance is in San Antonio, TX. This is a task or delivery order issued under parent IDIQ 31310018D0001. The contract has been modified 26 times since the base award It uses cost-plus contract pricing. The most recent modification was on January 20, 2026.
Contract details
- PIID
- 31310018F0091
- Parent IDIQ
- 31310018D0001
- Award type
- Delivery Order
- Pricing
- Cost Plus Fixed Fee
- Competition
- Not Competed
- NAICS
- 562211 · Hazardous Waste Treatment And Disposal
- Product / service
- Special Studies/Analysis- Geotechnical
- Place of performance
- San Antonio, TX
- First action
- August 8, 2018
- Latest action
- January 20, 2026
Description
DEVELOPMENT OF A REGULATORY ANALYSES SUPPORTING 10 CFR PART 61
Modification timeline
-
January 20, 2026Mod P00026$-13.0K
-
April 21, 2023Mod P00025$118.4K
-
March 24, 2023Mod P00024$0
-
September 26, 2022Mod P00023$208.2K
-
June 30, 2022Mod P00022$88.6K
-
June 6, 2022Mod P00021$200.0K
-
April 21, 2022Mod P00020$0
-
March 18, 2022Mod P00019DEVELOPMENT OF A REGULATORY ANALYSES SUPPORTING 10 CFR PART 61.$0
-
February 7, 2022Mod P00018DEVELOPMENT OF A REGULATORY ANALYSES SUPPORTING 10 CFR PART 61.$73.0K
-
December 21, 2021Mod P00017DEVELOPMENT OF A REGULATORY ANALYSES SUPPORTING 10 CFR PART 61.$60.0K
Similar contracts
| Recipient | Agency | Date | Obligated |
|---|---|---|---|
| Southwest Research Institute | Nuclear Regulatory Commission | February 9, 2026 | $104.0K |
| Southwest Research Institute | Nuclear Regulatory Commission | February 9, 2026 | $119.3K |
| Southwest Research Institute | Nuclear Regulatory Commission | January 29, 2026 | $124.1K |
| Southwest Research Institute | Nuclear Regulatory Commission | January 29, 2026 | $1.24M |
| Southwest Research Institute | Nuclear Regulatory Commission | January 20, 2026 | $3.21M |
| Southwest Research Institute | Nuclear Regulatory Commission | January 20, 2026 | $2.02M |
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| 1 | Washington River Protection Solutions Llc | 1 | $10.57B |
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| 6 | Eg&G Defense Materials, Inc. | 1 | $1.82B |
| 7 | Salado Isolation Mining Contractors, Llc | 1 | $1.67B |
| 8 | Hanford Tank Waste Operations & Closure, Llc | 5 | $1.40B |
| 9 | Bechtel National, Inc. | 7 | $1.25B |
| 10 | Idaho Treatment Group Llc | 1 | $549.61M |
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Frequently asked questions
What is contract 31310018F0091?
Contract 31310018F0091 is a federal contract awarded to Southwest Research Institute by Nuclear Regulatory Commission on August 8, 2018 for $1.43 million of work classified under HAZARDOUS WASTE TREATMENT AND DISPOSAL. It has been modified 26 times since the base award.
Who won contract 31310018F0091?
Southwest Research Institute won contract 31310018F0091 from Nuclear Regulatory Commission.
How much is contract 31310018F0091 worth?
Contract 31310018F0091 has obligated $1.43 million to date.