The purpose of this paper is to consider meeting D.O.T. requirements for external corrosion control on bare or poorly coated distribution piping installed before August 1, 1971. We will consider the economics of magnesium anodes, Impressed current systems using rectifiers and, as a more economical method, the Surface Potential Survey with Hot Spot Protection to meet the requirements.

Subject
Electric current, Costs, Pipe surfaces, Piping, Magnesium anodes, Anode surfaces, Anode resistance, Rectifiers, Anodic current, Surveys, Electrodes, Soil, Anodes
© 1976 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1976
Association for Materials Protection and Performance (AMPP)
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