N495
N495 releases at Systech Environmental Corp fell from 15k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Systech Environmental Corp
Total reported releases 194k lb fell meaningfully year over year (-17%). Total releases concentrations are up 34% since 2014.
1420 S CEMENT PLANT RD, Fredonia, Kansas · 562211 · Hazardous Waste · operated by Systech Environmental CORP
Anomaly engine
Notable Signals
Barium And Barium Compounds
Barium And Barium Compounds at Systech Environmental Corp have more than halved since 2014 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations are roughly unchanged from 2023.
Barium And Barium Compounds
Barium And Barium Compounds concentrations have more than halved since 2014.
Copper And Copper Compounds
Copper And Copper Compounds concentrations have fallen 16% since 2014.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 44% since 2014.
Toluene
Toluene concentrations have more than halved since 2014.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2014.
Ethylbenzene
Ethylbenzene concentrations have more than halved since 2014.
n-Hexane
n-Hexane concentrations are up 25% since 2018.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (2 Census block groups, population-weighted demographics): a population of 2,350. Why we surface this →
43.6%
Low-income
10.5%
People of color
5.0%
Under age 5
27.1%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.