Learn the Issues
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EPA Updates Review on Potential Paraquat Volatilization and Plans to Request Additional Data from Manufacturers
EPA is releasing an updated review of the potential for the pesticide paraquat to volatilize from treated agricultural fields.
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Protección de las Fuentes de Agua con los Fondos Rotativos Estatales del Agua Limpia y del Agua Potable
Esta hoja informativa describe varias elegibilidades relacionados con la protección de fuentes de agua bajo los programas DWSRF y CWSRF e incluye un estudio de caso donde ambos SRF proporcionaron fondos.
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TMDLs at Work: Deer Creek Reservoir
The documents detail the Deer Creek Reservoir TMDL at work.
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WV 303(d) List Public Notice
Created draft page for WV 303(d) List Public Notice. to be edited when information becomes available.
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Paraquat Dichloride
Paraquat dichloride, commonly referred to as “paraquat,” is one of the most widely used herbicides registered in the United States. Paraquat is also often referred to as Gramoxone (a popular end-use product).
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Summary of EPA Regional Data Quality "Best Practices" for Federal Facilities
This page contains tables that summarize data-quality best practices for federal facilities.
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NPDES eRule Memorandum of Understanding (MOU)
MOUs clarifying the roles and responsibilities for both EPA and the authorized NPDES program
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Cheat Sheet for Water Quality Exchange Web
This is cheat sheet provides overview information for users about how to import/export data within Water Quality Exchange Web.
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Region 6 Healthy Schools Newsletter
Quarterly newsletters for schools in EPA's Region 6 states: Arkansas, Louisiana, New Mexico, Oklahoma and Texas.
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ARCHIVED - Indoor airPLUS Version 2
The Indoor airPLUS Version 2, New Construction Specifications document is an update to the 2018 version, published November 2020. This revision reflects the program’s ongoing commitment to support the building industry in constructing healthy homes.
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What is the Building Assessment Survey and Evaluation Study (BASE)?
The Building Assessment Survey and Evaluation Study (BASE) is a cross-sectional study of randomly selected public and commercial office buildings from across the U.S. The BASE study used a standardized protocol to collect extensive indoor air quality data from one hundred randomly selected public and commercial office buildings in ten…
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Who might use the data and findings from the BASE study?
Scientists Researchers Building Owners, Managers and Operators IAQ Professionals Policy makers Environmental consultants Others interested in IAQ to further understand IAQ in office buildings. For more detailed information on the BASE study www.epa.gov/indoor-air-quality-iaq/building-assessment-survey-and-evaluation-study .
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EPA RCRA ID: PAD052917846
RCRA Corrective Action Cleanup Site for PAD052917846 Worthington Steelpac (Formerly: Cresticon) in York, Pennsylvania
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What will the BASE data tell me about my particular building?
The BASE study was not designed to give specific information on any individual building or to produce the type of diagnostic data needed to evaluate the nature, validity, or cause of IAQ complaints. See also associated question, What is the Building Assessment Survey and Evaluation Study (BASE) at: www.epa.gov/indoor-air-quality-iaq/what-building-assessment-survey-and-evaluation-study-base. For…
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Documents, Reports and Photographs for Worthington SteelPac (Formerly: Cresticon) in York, Pennsylvania
RCRA Corrective Action Site Worthington Steelpac Systems, York, PA, Documents and Reports Formerly Cresticon Inc; Cole Office Environments
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Documents, Reports and Photographs for E I Dupont (Formerly: FCI USA Incorporated) in Emigsville, Pennsylvania
RCRA Corrective Action E I Dupont (Formerly: FCI USA Incorporated) in Emigsville, Pennsylvania Documents and Reports
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How has the BASE study data been used?
Indoor Air Toxics Input Determination of typical indoor pollutants and concentrations Information on indoor sources Information on indoor pollutant levels Mold and other Biologicals Information on common indoor and outdoor species of fungi and bacteria Comparison of bioaerosol testing methodologies Information on conditions for growth Analysis of associations of fungal…
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How can I get the BASE data?
To obtain the BASE data on CD-ROM, please read, fill out and sign the Notification Prior to Use of Data form - Building Assessment Survey and Evaluation Study - Notification Prior to Use of Data Form (PDF) (2 pp, 20 K) and fax, email or mail it to: US EPA/Indoor…
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What is carbon monoxide?
Definition Carbon monoxide (CO) is a colorless, practically odorless, and tasteless gas or liquid. It results from incomplete oxidation of carbon in combustion. Burns with a violet flame. Slightly soluble in water; soluble in alcohol and benzene. Specific gravity 0.96716; boiling point -190 oC; solidification point -207 oC; specific volume…
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What is the average level of carbon monoxide in homes?
Levels in Homes Average levels in homes without gas stoves vary from 0.5 to 5 parts per million (ppm). Levels near properly adjusted gas stoves are often 5 to 15 ppm and those near poorly adjusted stoves may be 30 ppm or higher. Steps to Reduce Exposure to Carbon Monoxide…