Science Inventory

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Species sensitivity distributions (SSDs) are widely used in ecological risk assessment to predict the concentration of a chemical stressor that would not adversely impact the vast majority (e.g., >95%) of species in the environment. Unfortunately, generation of robust SSDs is ...

Cyanobacteria associated with Harmful Algal Blooms (HABs) can release toxins known as cyanotoxins, which can be deadly to humans, pets, and livestock. There are U.S. federal and state human health advisory thresholds and recreational and ambient water quality criteria for several...

The US Environmental Protection Agency (EPA) has promulgated 16 Whole Effluent Toxicity (WET) test methods for measuring the toxicity of effluents and receiving waters. Acute freshwater tests include, D. magna, Ceriodaphnia dubia, Pimephales promelas, Oncorhynchus mykiss (rainbow...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. EC...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. EC...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. EC...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The ECOTOXicology Knowledgebase (ECOTOX) has been locating and curating ecologically relevant toxicity data for over 30 years and is now a nationally and internationally recognized source of single-chemical toxicity test results for aquatic and terrestrial organisms. ECOTOX uses ...

The 1985 Guidelines for Deriving Numerical National Water Quality Criteria for the Protection of Aquatic Organisms and Their Uses (1985 Guidelines) recommends that test data be available for a minimum of eight families to fulfill taxonomic minimum data requirements (MDRs) in orde...

Whole Effluent Toxicity (WET) test methods for measuring the toxicity of effluents and receiving waters are found in 40 CFR Part 136. Short-term chronic freshwater toxicity test methods currently exist for three species – a cladoceran (Ceriodaphnia dubia), the fathead minno...

Many chemical contaminants bioaccumulate in fish and seafood species.  For many subsistence, indigenous, and ethnic populations, fish, seafood, and other aquatic biota are important sources for food and harvesting these foods is an important identity and cultural practice. S...

This sub-product is the updated ECOTOX Knowledgebase User Guide for FY23-24 with documented changes and additions to the ECOTOX user interface, as well as the changes to the literature review and data curation pipeline. Periodic updates to this end user documentation, along with ...

This sub-product is the updated ECOTOX Knowledgebase Quick Guide for FY23-24 with any general changes and additions to accessing the ECOTOX user interface and conducting queries. Periodic updates to this end user documentation, along with the trainings, webinars, and demonstratio...

The 1985 Guidelines for Deriving Numerical National Water Quality Criteria for the Protection of Aquatic Organisms and Their Uses (1985 Guidelines) recommends that test data be available for a minimum of eight families to fulfill taxonomic minimum data requirements (MDRs) in orde...

Whole Effluent Toxicity (WET) test methods for measuring the toxicity of effluents and receiving waters are found in 40 CFR Part 136. Short-term chronic freshwater toxicity test methods include the use of three species – a cladoceran (Ceriodaphnia. dubia), the fathead minno...

The ECOTOXicology Knowledgebase (ECOTOX) is a comprehensive, publicly available resource providing single chemical environmental toxicity data on aquatic life, terrestrial plants, and wildlife. The database is updated quarterly, and to identify relevant references and extract per...

The ECOTOXicology Knowledgebase (ECOTOX) is a nationally and internationally recognized source of curated, single-chemical toxicity data for aquatic and terrestrial organisms. ECOTOX has been locating and curating ecotoxicity data using systematic and transparent literature revie...

FY22 Quick Guide: Periodical updates are required for the ECOTOX end user documentation. This ECOTOX Quick User Guide provides a simple, two-page reference document on the methods and features available for querying information in the ECOTOX Knowledgebase. This brief summary of t...

FY22 User Guide: Periodical updates are required for the ECOTOX end user documentation. This User Guide provides documentation on utilizing and searching for information in the ECOTOX Knowledgebase to help users easily retrieve information from the electronic database through the...

What are Harmful Algal Blooms (HABs)? Most species of algae are not harmful, but sometimes certain types bloom in excessive amounts and can cause harm to health and economies. HABs, include both algae and cyanobacteria that can produce toxins and other irritants in freshwater.&nb...

Because Clostridium perfringens spores are both specific to sewage contamination and environmentally stable, they are considered as possible conservative indicators of human fecal contamination and possible surrogates for environmentally stable pathogens. This review discusses th...