EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3254): stack tests in Puerto Rico, 2026
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Puerto Rico source whose primary industry code is NAICS 3254. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3254) in Puerto Rico, other years
Air-emissions stack tests recorded in Puerto Rico, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-08-24 | BAXTER HEALTHCARE OF PUERTO RICO | JAYUYA, Jayuya, PR | Pass | U.S. EPA |
| 2026-08-18 | AMGEN MANUFACTURING, INC. | JUNCOS, Juncos, PR | Pass | U.S. EPA |
| 2026-07-31 | AMGEN MANUFACTURING, INC. | JUNCOS, Juncos, PR | Pass | U.S. EPA |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.