Particulate Matter

Houston 2011 PM2.5 Exceptional Event Demonstration

For a PM2.5 Exceptional Event at the Houston Clinton Monitoring Site

Houston 2010 PM2.5 Exceptional Events Demonstration

For PM2.5 Exceptional Events at the Houston Clinton Monitoring Site

Houston 2012 PM2.5 Exceptional Events Demonstration

For PM2.5 Exceptional Events at the Houston Clinton Monitoring Site

El Paso 2010-2012 Particulate Matter Exceptional Events Demonstration

For PM2.5 and PM10 Exceptional Events at El Paso Monitoring Sites

El Paso 2010-2012 PM2.5 and PM10 Exceptional Events Demonstration Addendum

Response to EPA Questions

El Paso PM10 Exceptional Events Demonstration

Socorro Hueco April 25, 2017 - May 2, 2018

Summary of proposed 12/23/2020 PM10 exceptional event for El Paso County

exceptional event demonstration

Resumen de la demostración de eventos excepcionales para materia particulada el 23 de diciembre del 2020 en el condado de El Paso

eventos excepcionales

El Paso County PM10 Exceptional Event Demonstration for December 23, 2020 at the Socorro Hueco and El Paso Mimosa Monitors

El Paso Exceptional Event

Letter to the EPA Requesting Flagged PM Data for a 12/23/2020 Exceptional Event

Exceptional Event Data Flag Request

Public Comments Received Regarding the 12/23/2020 El Paso PM10 Exceptional Event Demonstration

Public Comments to El Paso Exceptional Event Demonstration

Resumen de la demostración de eventos excepcionales del 2021 en referencia a la materia particular

demostración de eventos excepcionales

Summary of 2021 Exceptional Event Demonstration for Particulate Matter

Exceptional Event Demonstration

Exceptional Event Demonstration for Particulate Matter of 10 Microns or Less in Aerodynamic Diameter (PM10) for January 16, 2021; June 21, 2021; and December 6, 2021

Exceptional Event Demonstration