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Under the Pollution Prevention Act of 1990 (PPA), TRI collects information to track industry progress in reducing waste generation and moving towards safer waste management alternatives. Measures that facilities have taken to prevent pollution and reduce the amount of toxic chemicals entering the environment are shown in the table below. Although factors other than these reported practices contribute to year-to-year changes in releases, results are sorted by largest reduction in order to facilitate identification of pollution prevention successes. View the to learn about this report's features.




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List of Facilities in TRI submitting Pollution Prevention Information for Selected Criteria:

Year: between 2016 and 2024
 P2 Text Filters:
Year-to-Year Comparison:
TRI Facility ID Facility Name Address Chemical Name Industry Year Prior Year Release * Current Year Release * Percent Change Pollution Prevention Information (Activity Codes/Text/[Reduction]) P2 Report P2 Report URL
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2024 58,565.23 2,378.82 -95.94 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator producedbasis.

Methods to Identify SR Opportunities: T03 : MATERIALS BALANCE AUDITS - Monitored n-Hexane loss on a grams per square meter of battery separator produced.

Source Reduction: Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator producedbasis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2024&DocCtrlNum=1324222409955&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2023 324,783.09 200,196.15 -38.36 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator produced basis.

Source Reduction: Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator produced basis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2023&DocCtrlNum=1323222024123&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2023 82,850.97 58,565.23 -29.31 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator produced basis.

Source Reduction: Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator produced basis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2023&DocCtrlNum=1323222024111&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2024 200,196.15 155,812.71 -22.17 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator producedbasis.

Methods to Identify SR Opportunities: T03 : MATERIALS BALANCE AUDITS - Monitored n-Hexane loss on a grams per square meter of battery separator produced.

Source Reduction: Continued efforts to reduce n-Hexane loss on a grams per square meter of battery separator producedbasis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2024&DocCtrlNum=1324222409942&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2022 103,060.80 82,850.97 -19.61 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued effort to reduce the amount of cyclohexane utilized for web production oil extraction on a grams per square meter basis.

Source Reduction: Continued effort to reduce the amount of cyclohexane utilized for web production oil extraction on a grams per square meter basis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2022&DocCtrlNum=1322221242225&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2018 312,520.40 267,142.83 -14.52 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-5-14%]

Source Reduction: Source Reduction - We voluntarily conduct non-regulated Leak Detection and Repair (LDAR) checks on our interior extraction lines using FLIR camera. We use this data to strategically focus on in-house leak repairs, resulting in less fugitive solvent emissions. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2018&DocCtrlNum=1318217042579&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2020 269,225.94 234,455.66 -12.91 Source Reduction: W58: Other process modifications[-0-4%] - Additional R&D along with updated process techniques has yielded less n-hexane usage.

Methods to Identify SR Opportunities: T11 : OTHER - Additional R&D along with updated process techniques has yielded less n-hexane usage. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2020&DocCtrlNum=1320219202684&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2019 103,555.64 97,583.04 -5.77 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-5-14%]

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2019&DocCtrlNum=1319218298711&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2017 108,294.02 102,370.32 -5.47 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures - We now use a FLIR camera to document internal solvent vapor leaks and also do targeted repairs based on a severity ranking.

Other Environmental Practices: General Environmental Management - Systematic review and reduction of in-plant vapor leaks from solvent containing systems. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2017&DocCtrlNum=1317216163105&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2016 285,515.22 282,162.02 -1.17 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-0-4%] - More focus on mechanical integrity of the extraction lines and recordkeeping on hexane usage.

Other Environmental Practices: Recycling - An increased focus on the extraction areas, including maximizing carbon bed efficiencies will result in an increased capture / recycling of our solvent. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2016&DocCtrlNum=1316215576719&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2019 267,142.83 269,225.94 .78 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures - Voluntary internal non-required leak detection and repair. Upgrading solvent service piping from carbon steel to stainless steel for greater integrity.

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2019&DocCtrlNum=1319218298735&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2018 102,370.32 103,555.64 1.16 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-5-14%]

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2018&DocCtrlNum=1318217042567&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2016 99,529.76 108,294.02 8.81 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-0-4%]

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2016&DocCtrlNum=1316215576695&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2017 282,162.02 312,520.40 10.76 Source Reduction: W13: Improved maintenance scheduling, recordkeeping, or procedures[-15-24%] - We now operate a program utilizing a FLIR camera to identify solvent leaks within our extraction process. We track and address the leaks on an on-going basis on our three extraction lines.

Other Environmental Practices: General Environmental Management - We now operate a program utilizing a FLIR camera to identify solvent leaks within our extraction process. We track and address the leaks on an on-going basis on our three extraction lines. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2017&DocCtrlNum=1317216163117&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2022 291,970.02 324,783.09 11.24 Source Reduction: S21: Optimized process conditions to increase efficiency - Continued effort to reduce the amount of hexane utilized for web production oil extraction on a grams per square meter basis.

Source Reduction: Continued effort to reduce the amount of hexane utilized for web production oil extraction on a grams per square meter basis. 		//enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2022&DocCtrlNum=1322221242213&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 Cyclohexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2021 82,865.00 103,060.80 24.37 Source Reduction: S21: Optimized process conditions to increase efficiency

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110827&ReportingYear=2021&DocCtrlNum=1321219649910&Opt=0
42303WRGRC5525U DARAMIC LLC (POLYPORE INTERNATIONAL LP) 5525 HWY 2830,
OWENSBORO,
KY 42303		 n-Hexane 326113: Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 2021 234,455.00 291,970.02 24.53 Source Reduction: S21: Optimized process conditions to increase efficiency

 //enviro.epa.gov/enviro/P2_EF_Query.p2_report?FacilityId=42303WRGRC5525U&ChemicalId=0000110543&ReportingYear=2021&DocCtrlNum=1321219649922&Opt=0


* - Dioxin releases are in grams; all others in pounds