PSC AH42: Natural Resources and Environment R&D Services; Pollution Control and Abatement; Applied Research
AH42 is the product and service code (PSC) federal agencies use for “Natural Resources and Environment R&D Services; Pollution Control and Abatement; Applied Research”, in the “R&D – Noise Pollution” group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 0
Open count as of Nov 7, 2026, 5:35 AM ET. The search counts live, so its total can differ by a notice or two.
Where AH42 sits in the PSC Manual
- Category: Research and Development
- Group AH: Natural Resources and Environment R&D Services
- Group AH4: R&D – Noise Pollution
- Code AH42: Natural Resources and Environment R&D Services; Pollution Control and Abatement; Applied Research
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Related PSC codes
- AH41 Natural Resources and Environment R&D Services; Pollution Control and Abatement; Basic Research
- AH43 Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; Experimental Development
- AH44 Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Administrative Expenses
- AH45 Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Facilities & Maj Equip
- AH46 R&D – Environmental Protection: Noise Pollution (Management/Support)
- AH47 R&D – Environmental Protection: Noise Pollution (Commercialized)
Frequently asked questions
What is PSC AH42?
AH42 is the research and development code in the federal Product and Service Code (PSC) Manual named “Natural Resources and Environment R&D Services; Pollution Control and Abatement; Applied Research”, under AH (Natural Resources and Environment R&D Services) and AH4 (R&D – Noise Pollution). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
How do I find contracts that use PSC AH42?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.
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Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.