CHE 431/ENS 447: Environmental Chemistry

Test 3 Study Guide

Spring 2001

Chapter 8: Natural Waters

chemical properties of water

water cycle

aquifer

oxidation/reduction

oxygen demand

pE

oxidizing agents in water

pE and pH

acid/base

carbonate system

acid deposition

aluminum in water

acid reduction/remediation

acid mine drainage

Chapter 9: Water Pollution

carbon, nitrogen, phosphorous nutrients

seasonal lake cycle

eutrophication

reduction of pollution

sewage treatment

primary, secondary, tertiary

advanced treatment methods

Chapter 7 Toxic Metals

heavy metals and acidity

treatment

bioaccumulation

half-life

cadmium, mercury, lead, chromium

metals in drinking water

treatment of metals and cyanides

Chapter 6 Toxic Organic Compounds

toxicology

acute, chronic

LD₅₀

epidemiology

toxicogenomics

bioaccumulation

K_OW

organochlorines

DDT

vinyl chloride

pesticides

insecticides, herbicides

classes, toxicity, persistence, mode of operation

persistent organic pollutants

TCDD, PCBs, PAHs

sources, uses, toxicity

Chapter 10: Solid Waste

hazardous chemicals

types

emergency responses

soil chemistry

silicates

clays and humus

cation exchange capacity

pH

remediation

air, water, soil

in situ, ex situ

isolation, mobilization, destruction

oxidation, reduction

bioremediation

municipal solid waste

source, composition

landfill, incineration

reduce, reuse, recycle, recover