EPA Air · stack tests by county and year

Air-emissions stack tests in Guthrie County, Iowa, 2020

11Stack tests

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 Guthrie County, Iowa during 2020. 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 Guthrie County facility page.

Air-emissions stack tests in Guthrie County, other years

Air-emissions stack tests recorded in Guthrie County, Iowa, 2020

Date	Facility	Kind	Agency
2020-12-10	POET BIOREFINING - COON RAPIDS, LLC	Pass	State
2020-12-08	POET BIOREFINING - COON RAPIDS, LLC	Pass	State
2020-11-17	NORTHERN NATURAL GAS CO-GUTHRE CENTER	Pass	State
2020-06-17	POET BIOREFINING - MENLO, LLC	Pass	State
2020-04-14	POET BIOREFINING - MENLO, LLC	Pass	State
2020-03-12	POET BIOREFINING - COON RAPIDS, LLC	Pass	State
2020-03-11	POET BIOREFINING - COON RAPIDS, LLC	Pass	State
2020-03-10	POET BIOREFINING - COON RAPIDS, LLC	Pass	State
2020-01-16	POET BIOREFINING - MENLO, LLC	Pass	State
2020-01-15	POET BIOREFINING - MENLO, LLC	Pending	U.S. EPA
2020-01-15	POET BIOREFINING - MENLO, LLC	Pass	State

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Guthrie county, IA, in 2020. It lists 11 stack tests recorded in 2020.