USAF PLANT 42 SITE 4
Quick Summary
- •Released 19,361 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
3520 EAST AVENUE M
PALMDALE, CA 93550
View on map ↗ - County
- LOS ANGELES County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336411
- Inspections
- 5 · last Feb 6, 2026
- Total Penalties
- $0 · last Jan 28, 1993
- Registry ID
- 110000781459
How This Compares
Ranked by most recent year's total TRI releases.
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 23,663 | — |
| 2016 | 33,221 | +40% |
| 2017 | 19,361 | -42% |
| 2018 | 22,138 | +14% |
| 2019 | 21,222 | -4% |
| 2020 | 10,470 | -51% |
| 2021 | 11,439 | +9% |
| 2022 | 25,328 | +121% |
| 2023 | 11,512 | -55% |
| 2024 | 20,274 | +76% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| sec-Butyl alcohol | 10,511 | 10,506 | — | 5 | 250 | |
| Methyl isobutyl ketone | 9,763 | 9,758 | — | 5 | 250 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| sec-Butyl alcohol | 11,512 | 11,512 | — | — | 750 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 14,753 | 14,753 | — | — | 1,790 | ♦ Carcinogen |
| sec-Butyl alcohol | 10,575 | 10,575 | — | — | 773 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| sec-Butyl alcohol | 11,439 | 11,439 | — | — | 944 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 10,470 | 10,470 | — | — | 15,807 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 21,222 | 21,222 | — | — | 18,634 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 22,138 | 22,138 | — | — | 11,448 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 19,361 | 19,361 | — | — | 8,341 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 33,221 | 33,221 | — | — | 5,753 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | 23,663 | 23,663 | — | — | 1,511 | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| sec-Butyl alcohol | — | — | — | 250 |
| Methyl isobutyl ketone | — | — | — | 250 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
CLEAN HARBORS OF WILMINGTON
WILMINGTON, CA
|
Methyl isobutyl ketone | — | — | — | 250 |
|
CLEAN HARBORS OF WILMINGTON
WILMINGTON, CA
|
sec-Butyl alcohol | — | — | — | 250 |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | Jan 21, 1993 | Feb 11, 1993 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 13, 1990 | Dec 5, 2001 | Resolved |
| rcra | Land Disposal Restrictions: General | Mar 13, 1990 | Dec 5, 2001 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.