TRI Reporter
Clean Air Act
Clean Water Act
RCRA
STI POLYMER, INC
Quick Summary
- •Released 2,582 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
-
5618 CLYDE RHYNE DR
SANFORD, NC 27330
View on map ↗ - County
- LEE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325211
- Inspections
- 5 · last Mar 18, 2026
- Total Penalties
- $0
- Registry ID
- 110005971779
How This Compares
#262
of 729 TRI reporters in NC
#5,911
of 16,877 TRI reporters in Manufacturing
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.
Emissions Trend (2015–2024)
-93% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 2,996 | — |
| 2016 | 2,993 | -0% |
| 2017 | 2,582 | -14% |
| 2018 | 2,462 | -5% |
| 2019 | 2,343 | -5% |
| 2020 | 327 | -86% |
| 2021 | 253 | -23% |
| 2022 | 247 | -3% |
| 2023 | 186 | -25% |
| 2024 | 221 | +18% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 151 | 151 | — | — | 11 | |
| Methyl methacrylate | 20 | 20 | — | — | 2 | |
| Styrene | 15 | 15 | — | — | 2 | ♦ Carcinogen |
| Acrylic acid | 9 | 9 | — | — | — | |
| Methyl acrylate | 9 | 9 | — | — | 1 | ♦ Carcinogen |
| Vinyl acetate | 6 | 6 | — | — | 1 | ♦ Carcinogen |
| Acrylonitrile | 6 | 6 | — | — | 1 | ♦ Carcinogen |
| Ethyl acrylate | 5 | 5 | — | — | 11 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 129 | 129 | — | — | 9 | |
| Methyl methacrylate | 17 | 17 | — | — | 2 | |
| Styrene | 14 | 14 | — | — | 1 | ♦ Carcinogen |
| Methyl acrylate | 9 | 9 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 6 | 6 | — | — | — | |
| Vinyl acetate | 5 | 5 | — | — | 1 | ♦ Carcinogen |
| Ethyl acrylate | 4 | 4 | — | — | 1 | ♦ Carcinogen |
| Acrylonitrile | 3 | 3 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 173 | 173 | — | — | 7 | |
| Methyl methacrylate | 20 | 20 | — | — | 1 | |
| Styrene | 19 | 19 | — | — | 1 | ♦ Carcinogen |
| Methyl acrylate | 11 | 11 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 8 | 8 | — | — | — | |
| Acrylonitrile | 6 | 6 | — | — | — | ♦ Carcinogen |
| Ethyl acrylate | 5 | 5 | — | — | 4 | ♦ Carcinogen |
| Vinyl acetate | 5 | 5 | — | — | 0 | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 179 | 179 | — | — | 8 | |
| Methyl methacrylate | 20 | 20 | — | — | 1 | |
| Styrene | 13 | 13 | — | — | 1 | ♦ Carcinogen |
| Methyl acrylate | 12 | 12 | — | — | 1 | ♦ Carcinogen |
| Vinyl acetate | 9 | 9 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 8 | 8 | — | — | — | |
| Acrylonitrile | 7 | 7 | — | — | — | ♦ Carcinogen |
| Ethyl acrylate | 6 | 6 | — | — | 1 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 228 | 228 | — | — | 4 | |
| Methyl methacrylate | 30 | 30 | — | — | 9 | |
| Methyl acrylate | 16 | 16 | — | — | 1 | ♦ Carcinogen |
| Styrene | 15 | 15 | — | — | 1 | ♦ Carcinogen |
| Vinyl acetate | 12 | 12 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 9 | 9 | — | — | — | |
| Acrylonitrile | 9 | 9 | — | — | — | ♦ Carcinogen |
| Ethyl acrylate | 8 | 8 | — | — | 5 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 1,691 | 1,691 | — | — | 8 | |
| Methyl methacrylate | 247 | 247 | — | — | 2 | |
| Methyl acrylate | 105 | 105 | — | — | 1 | ♦ Carcinogen |
| Styrene | 80 | 80 | — | — | 1 | ♦ Carcinogen |
| Ethyl acrylate | 78 | 78 | — | — | 1 | ♦ Carcinogen |
| Vinyl acetate | 64 | 64 | — | — | 1 | ♦ Carcinogen |
| Acrylonitrile | 41 | 41 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 36 | 36 | — | — | 1 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 1,797 | 1,797 | — | — | 8 | |
| Methyl methacrylate | 257 | 257 | — | — | 5 | |
| Methyl acrylate | 103 | 103 | — | — | 2 | ♦ Carcinogen |
| Styrene | 80 | 80 | — | — | 1 | ♦ Carcinogen |
| Ethyl acrylate | 78 | 78 | — | — | 2 | ♦ Carcinogen |
| Vinyl acetate | 56 | 56 | — | — | 2 | ♦ Carcinogen |
| Acrylonitrile | 52 | 52 | — | — | 1 | ♦ Carcinogen |
| Acrylic acid | 38 | 38 | — | — | 1 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 1,867 | 1,867 | — | — | 23 | |
| Methyl methacrylate | 277 | 277 | — | — | 140 | |
| Methyl acrylate | 94 | 94 | — | — | 45 | ♦ Carcinogen |
| Styrene | 91 | 91 | — | — | 45 | ♦ Carcinogen |
| Ethyl acrylate | 80 | 80 | — | — | 40 | ♦ Carcinogen |
| Acrylonitrile | 68 | 68 | — | — | 31 | ♦ Carcinogen |
| Vinyl acetate | 64 | 64 | — | — | 30 | ♦ Carcinogen |
| Acrylic acid | 41 | 41 | — | — | 20 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 1,822 | 1,822 | — | — | 400 | |
| Methyl methacrylate | 249 | 249 | — | — | 133 | |
| Styrene | 206 | 206 | — | — | 167 | ♦ Carcinogen |
| Acrylic acid | 185 | 185 | — | — | — | |
| Methyl acrylate | 169 | 169 | — | — | 90 | ♦ Carcinogen |
| Ethyl acrylate | 140 | 140 | — | — | 75 | ♦ Carcinogen |
| Vinyl acetate | 115 | 115 | — | — | 60 | ♦ Carcinogen |
| Acrylonitrile | 107 | 107 | — | — | 10 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 2,011 | 2,011 | — | — | 34 | |
| Methyl methacrylate | 224 | 224 | — | — | 52 | |
| Styrene | 201 | 201 | — | — | 24 | ♦ Carcinogen |
| Methyl acrylate | 162 | 162 | — | — | 4 | ♦ Carcinogen |
| Ethyl acrylate | 124 | 119 | 5 | — | 2 | ♦ Carcinogen |
| Acrylonitrile | 118 | 118 | — | — | 25 | ♦ Carcinogen |
| Vinyl acetate | 91 | 91 | — | — | 12 | ♦ Carcinogen |
| Acrylic acid | 65 | 65 | — | — | 28 |
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 |
|---|---|---|---|---|
| Methyl acrylate | — | — | — | 14 |
| Acrylonitrile | — | — | — | 1 |
| Styrene | — | — | — | 23 |
| Vinyl acetate | — | — | — | 8 |
| Methyl methacrylate | — | — | — | 30 |
| Butyl acrylate | — | — | — | 232 |
| Ethyl acrylate | — | — | — | 232 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Acrylic acid | — | CITY OF SANFORD, SANFORD |
| Styrene | 2 | CITY OF SANFORD, SANFORD |
| Methyl acrylate | 1 | CITY OF SANFORD, SANFORD |
| Acrylonitrile | 1 | CITY OF SANFORD, SANFORD |
| Vinyl acetate | 1 | CITY OF SANFORD, SANFORD |
| Butyl acrylate | 11 | CITY OF SANFORD, SANFORD |
| Ethyl acrylate | 11 | CITY OF SANFORD, SANFORD |
| Methyl methacrylate | 2 | CITY OF SANFORD, SANFORD |
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.
Administrative - Formal
· Case 04-2011-9176 · Dec 6, 2012
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