ENV HLT 261Chemical Behavior of Aquatic Systems
Environmental Health Sciences · 4 units · Graduate courses (200-299)
Chemistry of ocean waters, rivers, groundwaters, and water treatment systems. Topics include thermodynamics of natural waters, acids and bases, carbon dioxide cycle, solubility reactions, oxidation and reduction, plus applied problems.
Letter grading.
When it runs
Not on the schedule for any of Fall 2025 through Spring 2027. UCLA publishes only that window, so this does not mean the course is gone — check the official listing.
Requisites
Official UCLA wording
Requisites: courses C200A, C200B, Chemistry 20A, 20B, Mathematics 3A.
BruinTree reads · Prerequisite
needs reviewconfidence 0.80 · from text- · "ENV HLT C200A" is not in this catalog version
- · "ENV HLT C200B" is not in this catalog version
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
ENV HLT 261
- CHEM 20AChemical Structure
- MATH 31ADifferential and Integral Calculus
- MATH 3ACalculus for Life Sciences Students
- MATH 1Precalculus
- CHEM 20BChemical Energetics and Change
- CHEM 14AGeneral Chemistry for Life Scientists I
- LIFESCI 30AMathematics for Life Scientists
- CHEM 14AEGeneral Chemistry for Life Scientists I—Enhanced
- MATH 31BIntegration and Infinite Series
- CHEM 20AHChemical Structure (Honors)
3 direct requisites. The whole upstream is here — 20 courses over 3 levels. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
No course in the catalog lists this as a requisite.