Federal Regulation
This regulation sets standards for emissions of particulate matter, among others
Clean Air Act
Tendency of a chemical to move into the atmosphere
Volitization
A measured concentration where 50% of the study population experiences mortality
LD50 or LC50
In problem formulation, this helps visualize the routes of exposure and aids in hypothesis development
Conceptual model
This community was built on top of a toxic waste site
Love Canal
Areas which do not meet the standards under the clean air act are called
Non-attainment areas
Adsorption vs Absorption is measured by
Koc
A measured concentration where there is no observable effect in the study population
NOAEC pr NOAEL
The ecological entity to be protected is called the _____ _____
Assessment Endpoint
A method of using a chemicals structure and properties to predict toxicity and fate of a new chemical
Quantitative Structure Activity Relationship (QSAR)
It is a violation of FIFRA to use a pesticide in a manner inconsistent with its ________________
Labeling
A kind of chemical transformation where sunlight degrades the chemical
Photolysis
Measurement endpoints that are not mortality are considered ____
Sublethal
The second phase of a risk assessment, after problem formulation is ________
Analysis
A topographically defined surface that drains water, sediments, nutrients and chemicals to a single outflow source
Watershed
This statute regulates the manufacture, distribution and use of chemicals not regulated by other federal statutes
The Octonal-Water partition coefficient (Kow) measures the potential for __________
Bioconcentration
Control group mortality must be below this percentage for a lab toxicity test to be valid
5%
An estimate of the amount of contaminant that will be present in the environment, based on chemical properties and field data
Estimated Environmental Concentration (EEC)
When populations adapt to chemical stress over time by accumulating mutations
Aquisition of tolerance OR resistance
This regulation sets standards for municipal landfills
Resource Conservation and Recovery Act (RCRA)
Volatization potential is measured by
Henry's Law Constant (H)
Terrestrial plant tier 1 toxicity tests require two measurement endpoints: seedling emergence and ______ _______
Vegetative vigor
A measure that integrates exposure and effects (EEC/LC50) is called a _____ ___________
Risk Quotient
Trophic status can be determined by
Stable isotope ratios (15N:14N)