Ecological Risk Assessment - Review 2

Pesticides

100

The class of pesticides which contains DDT

Organochlorines

200

The original formulations of this pesticide chemical class were made from chrysanthemum extracts

Pyrethroids

300

This class of pesticides is controversial because of its effects on pollinators

Neonicotinoids

400

A naturally occurring bacterial disease in insects that can be used as a pesticide

Bacillus thuringienesis (Bt)

500

Organophosphate insecticides inhibit the breakdown of which neurotransmitter?

Acetylcholine (ACh)

POP's

100

The toxicity and K_ow of PCB's tends to increase with the number of __________ atoms in the molecule.

Chlorine

200

This river in VA is highly contaminated with PAHs (Polycyclic Aromatic Hydrocarbons) from a wood preservative plant.  The fish there have become tolerant to PAHs.

Elizabeth River

300

What does PBDE stand for?

Polybrominated Diphenyl Ethers

400

Substance used on Teflon

PFAS (Per- and Polyfluoroalkyl substances)

500

The most toxic form of Dioxin.  All other forms (congeners) of dioxin and furan are compared to this one.

2,3,7,8-TCDD

Emerging Contaminants

100

What does PPCP stand for?

Pharmaceutical and Personal Care Products

200

A diverse group of chemicals which can interfere with growth, metabolism, reproduction and behavior at very low concentrations (< 1 ppb).

Endocrine Disruptors

300

A microplastic is defined as a piece of plastic less than this diameter

5mm

400

This lake in Canada was used in a field experiment where estrogens were added to the whole lake and the fish population crashed in the 3rd year of dosing. 

Lake 260

500

This is a newly discovered, tire-derived chemical which is an oxidation product of an additive intended to prevent damage to tire rubber from ozone.

6PPD-quinone

Metals and Radionucleotides

100

The least toxic form of Mercury, is not soluble.

elemental mercury

200

Three types of ionizing radiation include alpha, beta and ______

gamma

300

Form of cancer that became common in Belarus after Chernobyl

Thyroid

400

Mercury and other metals interrupt cell metabolism and create oxidative stress via production of ______  _______   _________ 

Reactive oxygen species (ROS)

500

Continual indoor exposure to radon levels of 20 pCi/L would be the equivalent of how many cigarettes per day?

40

Environmental Justice

100

Residents of Warren County protested the placement of a toxic waste facility in this year _____

1982

200

The number of Environmental Justice indexes 

12

300

The year President Clinton signed Executive Order 12898

1994

400

This regulation is designed to reduce risk of pesticide exposure and negative health effects to agricultural farm workers

The Worker Protection Standard (WPS)

500

What does REI stand for?

Restricted Entry Interval