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C&EE 156B · CEE 156BEnvironmental Engineering Unit Operations and Processes Laboratory

Civil and Environmental Engineering · 4 units · Undergraduate upper division (100-199)

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Characterization and analysis of typical natural waters and wastewaters for inorganic and organic constituents. Selected experiments include analysis of solids, nitrogen species, oxygen demand, and chlorine residual, that are used in unit operation experiments that include reactor dynamics, aeration, gas stripping, coagulation/flocculation, and membrane separation.

Letter grading.

When it runs

  • Winter 2026
  • Winter 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Requisites

Official UCLA wording

Requisites: Chemistry 20A, 20B.

BruinTree reads · Prerequisite

confidence 1.00 · from text
all of
  • CHEM 20A
  • CHEM 20B

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About C&EE 156B. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

C&EE 156B

  • CHEM 20AChemical Structure
    • MATH 31ADifferential and Integral Calculus
      • MATH 1Precalculus
  • CHEM 20BChemical Energetics and Change
    • MATH 31ADifferential and Integral Calculusanother path to it
    • CHEM 14AGeneral Chemistry for Life Scientists I
      • LIFESCI 30AMathematics for Life Scientists
      • MATH 3ACalculus for Life Sciences Students
      • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculusanother path to it
    • CHEM 14AEGeneral Chemistry for Life Scientists I—Enhanced
      • LIFESCI 30AMathematics for Life Scientistsanother path to it
      • MATH 3ACalculus for Life Sciences Studentsanother path to it
      • MATH 31ADifferential and Integral Calculusanother path to it
    • CHEM 20AChemical Structureanother path to it
    • CHEM 20AHChemical Structure (Honors)
      • MATH 31ADifferential and Integral Calculusanother path to it

2 direct requisites. The whole upstream is here — 18 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.