Cos-Mar Company, Styrene Monomer Plant
Carville, LA · IBERVILLE PARISH · NAICS 325110
Data updated May 2026
Cos-Mar Company, Styrene Monomer Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,313 of 8,713 nationally, #75 of 531 in LA).
- National rank #1,313 of 8,713 GHGRP facilities
- #75 of 531 in LA
- #182 of 534 in Chemicals
- 100% of SABIC INNOVATIVE PLASTICS US parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -21.5% since 2011
Cos-Mar Company, Styrene Monomer Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
311,663 1313th of 8713 higher than 7,400 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 100% of SABIC INNOVATIVE PLASTICS US reported parent CO₂e (312K MT of 312K MT ). Inside the EPA Chemicals sector it ranks #182 of 534 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 312K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 311K MT
- CH₄
- 0%
- 132 MT
- N₂O
- 0.1%
- 157 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 311,663 |
| 2022 | 353,532 |
| 2021 | 357,751 |
| 2020 | 350,925 |
| 2019 | 358,781 |
| 2018 | 296,368 |
| 2017 | 342,273 |
| 2016 | 380,613 |
| 2015 | 385,832 |
| 2014 | 426,223 |
| 2013 | 410,575 |
| 2012 | 357,688 |
| 2011 | 397,015 |
Facility insight: Cos-Mar Company, Styrene Monomer Plant
Cos-Mar Company, Styrene Monomer Plant (GHGRP ID 1006565) is a high-volume reporter at 312K MT CO₂e in 2023 from Carville, LA (#1,313 of 8,713 nationally) under Chemicals (NAICS 325110).
Across 2011–2023, annual CO₂e fell 21.5%; peak load was 426K MT in 2014. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2014 at 426K MT CO2e; latest 2023 sits 26.9% below that peak (312K MT). The largest year-to-year move was 2018→2019 (+21.1%, 62K MT).
Frequently Asked Questions
Where does Cos-Mar Company, Styrene Monomer Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Cos-Mar Company, Styrene Monomer Plant ranks #1,313 of 8,713 reporting facilities by latest reported CO₂e, and #75 of 531 facilities in LA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Cos-Mar Company, Styrene Monomer Plant? ▼
Cos-Mar Company, Styrene Monomer Plant's 312K MT CO₂e is higher than 7,400 of the 8,713 GHGRP facilities with reported emissions (85%), an exact count from the full corpus, not an estimate.
How much CO2 does Cos-Mar Company, Styrene Monomer Plant emit? ▼
Cos-Mar Company, Styrene Monomer Plant reported 312K MT CO2e in 2023.
What share of SABIC INNOVATIVE PLASTICS US does Cos-Mar Company, Styrene Monomer Plant represent? ▼
Cos-Mar Company, Styrene Monomer Plant accounts for 100% of SABIC INNOVATIVE PLASTICS US's reported GHGRP CO₂e (312K MT of 312K MT).
What is Cos-Mar Company, Styrene Monomer Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Cos-Mar Company, Styrene Monomer Plant, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Cos-Mar Company, Styrene Monomer Plant rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Cos-Mar Company, Styrene Monomer Plant ranks #182 of 534 by latest reported CO₂e.
Is Cos-Mar Company, Styrene Monomer Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Cos-Mar Company, Styrene Monomer Plant's emissions have decreased by 21.5%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside LA for a top-third GHGRP emitter: CO₂e totals first, then Chemicals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (312K MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside LA.