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EL285 - Corrosion Control Theory and Treatment Options
Course Length: 2 Hour / 0.2 CEU*
Course Description: Meeting the provision of the Revised Lead and Copper Rule (LCRR) is challenging. Producing water with low corrosivity is an important tool for meeting the water quality provisions of the LCRR. This course sets the stage for performing Corrosion Control Evaluations (CCEs) by explaining key features of corrosion control theory and applying this knowledge to the selection of CCT. The course covers the corrosion behavior of lead, copper, iron, galvanized iron, brass, and leaded solder. This course also describes the two common CCT methods, pH/alkalinity control and corrosion control chemical addition, and how these methods can be used to minimize the release of lead and copper from materials commonly used in distribution systems and premise plumbing.
Course EL285 consists of the following four modules:
Module 1: Basic Concepts for Understanding Corrosion in Drinking Water Systems
Module 2: Corrosion of Metals Commonly Present in Water Systems
Module 3: Predicting the Risk for Corrosion and Metal Release
Module 4: Corrosion Control Treatment Methods
Name materials which are sources of lead or copper release
Explain electrochemical processes that are the source of corrosion
Interpret Eh/pH (Pourbaix) and solubility diagrams
Recall physical and water quality factors influencing metal release
Apply corrosion principles to recognize how metal is released from materials commonly used in distribution systems and premise plumbing
Identify Corrosion Control Treatment (CCT) options which minimize corrosivity of treated water toward lead, copper, iron, galvanized iron, brass, and leaded solder
Outline major aspects of a corrosion control program
Explain correct usage of corrosion indices
Prerequisite/Background: Please note that the course Corrosion Control Theory and Treatment Options (EL285) assumes a basic knowledge of water chemistry. If needed, we encourage you to pair EL285 with AWWA’s EL228 – Basic Math & Chemistry eLearning course for a water chemistry refresher.
This course, the first in the AWWA-ASDWA Corrosion Control Certificate Program, will help the learner explore aspects of corrosion control theory that can be used to select and test Corrosion Control Treatment (CCT) that best minimizes the release of lead and copper from distribution system and premise plumbing materials.
The remaining courses that make up the Certificate Program will be released throughout 2021.
*Certificates of Completion: All finishers will receive an AWWA Certificate of Completion. In addition, you may be eligible for CEUs/PDHs from your licensing agency. Every state is unique, and you must become familiar with your own licensing agency's specific requirements. It is the individual's responsibility, before registering for any education program, to contact his/her licensing agency: 1. To confirm that the education program is acceptable for continuing education credit towards your particular license within your particular state; 2. To confirm what you need to submit for credit approval.