C-42 · California

C-42 Sanitation System

A sanitation system contractor fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures. This classification includes the laying of cast-iron, steel, concrete, vitreous and nonvitreous pipe and any other hardware associated with these systems. Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code).

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Law and Business exam required. This secondary test should be maintained alongside the trade study chapters for most licenses.

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Randomized Mixed Exam Across All Chapters

This longer exam randomizes questions every run and shows a chapter indicator on each question.