Environmental Health Sciences 264

FATE AND TRANSPORT OF ORGANIC CHEMICALS IN THE AQUATIC ENVIRONMENT

Instructor: Dr. Mel Suffet Office: 46-081B CHS msuffet@ucla.edu X 68230

Text/Reader - Required

Exams: Final: In class, closed book 50% of grade

Homework: To be distributed

Mid-term Report:1) Evaluation of a Environmental Mass Transport Mechanisms 20% of grade

2) Aquatic modeling Problem 30% of grade

Term Project: Fate and Transport of an Organic Chemical: Comparison of a Computer Model vs.Reality

A Student Assistant will help with the Computer modeling par to the course

Lecture Topics

I. Overview-Models and Calculations

1. Introduction – Lecture 1

A. "Normal" Element Cycles in the Environment

B. Interactions between the Air and Water Environment - Sources, Sinks and Rates

C. Pollutants - Chemical, Physical, Biological Fate

D. Water - The mover and Shaker

2. Models - Equilibrium Type - "CEPAC" Lecture 2-4

3. The Nature of Organic Chemicals

A. Vapor Pressure

B. Solubility

C. Structural Activity Relationship

4. Models - Junge Box Models- Global Approach Lecture 5

5. Models - Fugacity – Mackey Lecture 6

6. Models - Multimedia – Cohen

I. Transport-Interfacial Phenomena Lectures 7-12

1. Air-Water Interfacial Phenomena (Lectures 7-8)

2. Water-Solid Interfacial Phenomena (Lectures 9-11)

3. Air-Solid Interfacial Phenomena Lectures (120

II. Chemical Processes Lectures 13-17

1. Hydrolysis

2. Photolysis

III. Biological (Biochemical) Processes 18-20

1. Bioaccumulation

2. Biodegradation