This page is a searchable version of the original archive page found here:

Federal Agencies


Protection Agency




Helena Chemical Fact Sheet 2008


Official EPA Site on Helena Chemical Site in Mission, Texas


All POLREPs (Pollution Reports) for the Helena Chemical Site


Current POLREP (Pollution Report) for the Helena Chemical Site


Bulletins for the Helena Chemical Site


Documents for the Helena Chemical Site


Federal EPA sites in Mission, Texas


Part 1 of article from 1980 that was published in Dallas after EPA’s findings. 


DDT Man Lives—Part 2 of 1980 Article


1984 EPA Community Assessment


1984 EPA Memo Cover letter


1984 EPA Testing Memo


1984 EPA Problems Memo


1984 EPA Mission Reference Listing


State Agencies

Texas Commission on Environmental Quality (TCEQ, formerly TNRCC)




TCEQ Site on Hayes-Sammons Warehouse in Mission, Texas


TCEQ Site on Munoz Burrow Pits in Mission, Texas


Texas Superfund Sites in Mission, Texas


Transcript of meeting with the Texas Commission of Environmental Quality regarding their work on Mission



Texas Department of State Health Services


Texas Department of Health Site on Cancer Clusters in Hidalgo County, see Mission


Texas Cancer

Data Center


Texas Cancer Data Center Information on Mission



Private (Non Governmental)



Pesticide and Herbicide Testing of Selected Mission, Texas Homes and Properties

Sabotage and the City of Mission


Environmental Orgs


Body Burden: The Pollution in Newborns

A Report by the Environmental Working Group


Chemicals in the U.S./Mexico Borderlands

A Report by the Environmental Review


Academic Reports


A Brief Historical Analysis on the Adverse Impacts of Corporate Agribusiness and Chemical Production in Mission, Texas


Mission Policy Brief Powerpoint


Impacts of Human Research Studies in Non-White Superfund Locations: Federally Mandated Environmental Racism in Mission, Texas


Enhancing Public Awareness of Potential Environmental Hazards Using GIS and Photojournalism – Mission, Texas


The State of Human Affairs: A Report From Mission, Texas

Presented at Smithsonian Museum, Washington, D.C.


A Direct Assault: Chemicals and Conspiracies – Mission, Texas

Presented at Smithsonian Museum, Washington, D.C.





A Statement From Dow Chemical About the Background of Agent Orange


The Story of Agent Orange


An Official Memo on Agent Orange signed by then Governor George W. Bush


Mission, Texas—Chemicals found there, what they do to the body


2001 Letter to City Council for Testing of Properties