Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in DuPage County, Illinois, 2018

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in DuPage County, Illinois during 2018. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the DuPage County facility page.

DuPage County, Illinois, 2018

Air-emissions stack tests in DuPage County, other years

Air-emissions stack tests recorded in DuPage County, Illinois, 2018

DateFacilityKindAgency
2018-12-13ARGONNE NATIONAL LABORATORYPassState
2018-11-27ZCOLO LLC - OAK BROOKPassState
2018-09-21STERIGENICS US LLCPassState
2018-09-12GLENBARD WASTEWATER AUTHORITYPassState
2018-08-29MOLEX LLCPassState
2018-06-05HINSDALE HOSPITALPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.