January 20

First week of class, beginning on Tuesday, January 21. Discussion ONLY (no lab) this week.

January 27

Registration details, safety video, orientation and introductions to Environmental Chemistry. Check-in and glassware cleaning.
Topics covered in lab lecture: Miscellaneous course details. Discussion of Lead sampling plan, sampling considerations, choice of sites, and map sketching.
Reading: pp. 2-14 and 19-35.

February 3

Module 1: Lead in the Environment, Week #1: Field collection of samples for lead analysis. Begin dry weight determinations.
No lab lecture.
Reading: pp. 37-43
Due: Pre-lab questions on p. 41.

February 10

Module 1: Lead in the Environment, Week #2: Digestion of soil samples and preparations for analysis. Finish determination of percent water. Determination of soil pH. Tour of the graphite furnace AA.
Topics covered in lab lecture: Discussion of percent water determination, dissolution of lead salts, AA video, graphite furnace AA, lab techniques.
Reading: pp. 46-68
Due: Pre-lab questions on p. 60.

February 17

Module 1: Lead in the Environment, Week #3: Computer graphics analysis of Lead data and downloading data from the Web.
Topics covered in lab lecture: Discussion of lead data, calculations using Beer's Law. Error analysis, simple statistics, significant figures, overview of Excel in Bixby.
Reading: pp. 70-80
Due: Appendix on graphite furnace AAS

February 24

Discussion only. Midterm I on February 26!
Brief lab (30 min) to plan pesticide experiment.

February 28

Due: Report on Lead in the Environment, pp. 81-84

March 3

Module 2: Pesticides in Fruits and Vegetables, Week #1: Extraction of pesticides from fruits and vegetables, begin SFE extractions.
Topics covered in lecture: Organochlorine pesticides, gas chromatography, organic solutbilities.
Reading: pp. 94-113, 115-123, and 135-149.
Due: Pre-lab questions on p. 133

March 10

Module 2: Pesticides in Fruits and Vegetables, Week #2: Risk assessment, interpretation of chromatograms, data entry, prepare for debate.
Reading: pp. 126-131 and 152-162
Topics covered in lecture: Organochlorine pesticides, organic solubilities.
Due: Appendix on gas chromatography, Pre-lab assignment on p. 163

March 17

Module 2: Pesticides in Fruits and Vegetables, Week #3 Pesticide debate
Reading: Web readings, as assigned (see pp. X), re-read section on Organochlorine Pesticides and Risk Assessment.)
Due: Prelab Assignment: 164-165

March 24

Spring Break. No lab this week.
Due: Report on Pesticides, pp. 174-178 and Appendix C.

March 31

Module 3: The Chemistry of Water, Week #1: Sampling Strawberry Creek: dissolved oxygen and conductivity measurements, coliform tests.
Reading: pp. 184-190, 200-203, 205-214, 217-218
Due: Pre-lab questions on p. 216

April 7

No Lab. Midterm II on April 9!

April 14

Module 3: The Chemistry of Water, Week #2: Analysis of water quality parameters: pH, alkalinity, conductivity, anion analysis by ion chromatography, and cation analysis by atomic absorption spectrophotometry.
Topics covered in lecture: Conductivity measurements, ion chromatography, pH and alkalinity.
Reading: pp. 226-264 and review pp. 52-59
Due: Pre-lab questions on p. 237

April 21

Module 3: The Chemistry of Water, Week #3: Analysis of water quality parameters continued: pH, alkalinity, conductivity, anion analysis by ion chromatography, and cation analysis by atomic absorption spectrophotometry.
Topics covered in lab lecture: Atomic absorption spectrophotometry.
Reading: pp. 20-35, 41-50, and 59-70, and answer pre-lab questions on p. 53.
Due: Appendices on ion chromatography and pH.

April 28

Module 3: The Chemistry of Water, Week #4: Discussion of water data, finish any remaining analyses, Bixby available for graphing.

May 5

Check Out and Course Evaluations.
Due: Report on Strawberry Creek, pp. 265.

May 19

Final Exam!