Cobalt And Cobalt Compounds
Cobalt And Cobalt Compounds releases at Rosenboon Machine & Tool INC rose from 20k lb to 78k lb (3.9×) between 2023 and 2024.
Total reported releases 78k lb more than tripled year over year (+290%). Total releases concentrations have more than doubled since 2021.
1530 WESTERN AVE, Sheldon, Iowa · 333995 · Machinery · operated by Rosenboom Machine & Tool INC
Cobalt And Cobalt Compounds releases at Rosenboon Machine & Tool INC rose from 20k lb to 78k lb (3.9×) between 2023 and 2024.
Cobalt And Cobalt Compounds concentrations have more than doubled since 2021.
Within 3 miles of this facility (4 Census block groups, population-weighted demographics): a population of 5,275. Why we surface this →
Low-income
People of color
Under age 5
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.