Science & Technology
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Water Contamination and Young Children
A list of tools a and databases available online to support children’s health protective decisions.
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Tick-Borne Illness and School-Aged Children
A list of tools a and databases available online to support children’s health protective decisions.
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Private Wells and Drinking Water Safety and Infants
A list of tools a and databases available online to support children’s health protective decisions.
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Sea Level Rise and Adolescents
A list of tools a and databases available online to support children’s health protective decisions.
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Mold Exposure and Respiratory Conditions in Young Children
A list of tools a and databases available online to support children’s health protective decisions.
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Heat and Teenage Athletes
A list of tools a and databases available online to support children’s health protective decisions.
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Heat and Pregnancy
A list of tools a and databases available online to support children’s health protective decisions.
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Food Security and Young Children
A list of tools a and databases available online to support children’s health protective decisions.
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Food Safety and Toddlers
A list of tools a and databases available online to support children’s health protective decisions.
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Food Availability and Toddlers
A list of tools a and databases available online to support children’s health protective decisions.
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Kids and Climate Health Zone
A list of tools a and databases available online to support children’s health protective decisions.
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Extreme Weather and Preschool-Aged Children
A list of tools a and databases available online to support children’s health protective decisions.
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Coral Reefs
Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.
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Unacceptable and Acceptable Substitutes Tables
Landing page for substitute tables.
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Five-Year Reviews of EPA’s Recreational Criteria
Documents pertaining to Recreational Human Health Ambient Water Quality Criteria for Microbial Organisms (Pathogens). These documents include safe levels for cyanotoxins microcystin and cylindrospermopsin, and Coliphage to protect human health.
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Case Studies: Protect your Watershed through Bioassessments and Biocriteria
Case Studies: Protect your watershed through bioassessments and biocriteria
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Prioritizing Problem Discharges in Florida
Prioritizing Problem Discharges in Florida
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National Recommended Water Quality Criteria Tables
This water quality criteria table has all current national recommended water quality criteria and links to relevant documents
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Support for Permit Limits in Ohio
Support for Permit Limits in Ohio
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2023 Appendix W Proposed Rule
On October 12, 2023, the Administrator signed a propose rule that revises the Guideline on Air Quality Models. This webpage provides the background material related to this proposed rule for stakeholder reference.