Build a Learning Habit
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**PLEASE NOTE** This course has been approved by the Texas Commission on Environmental Quality (TCEQ) to fulfill 16 credit hours in the following operator license area(s): - Onsite Sewage Facility Operator LicensenThe OSSF - Installer I course not only prepares students to sit for the On-Site Sewage Facilities Installer I license exam, it provides participants with the fundamentals surrounding proper installation, design, and operation of residential and commercial Installer I level on-site sewage facilities (OSSF). Once students successfully complete the course, they may apply directly with TCEQ to take the licensing examination at either a TCEQ Regional Office or at an approved Computer Based Testing (CBT) Center.