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73-11: Effective Phosphate/Phosphonate Treatments Replace Chromate-BasedPublic awareness of environmental standards has grown enormously in recent years. Legislation has been tailored to ban the discharge of toxic materials into streams and water ways. Such legislation has resulted in the steady de emphasis of chromate based treatments in favor of more environmentally safe programs. One that has received wide spread acceptance is a phosphate phosphonate treatment through laboratory and filed data.

Part I - Test Procedure: methods and instrumentation for testing mechanical draft and natural draft cooling towers

A new field method for enumerating viable Legionella and total heterotrophic aerobic bacteria was evaluated in hundreds of laboratory experiments and from analysis of over two thousand field samplers used in actual operating conditions

mainly as a refrigerant fluid and in parallel

Along with laboratory data

This paper will discuss

a robust safety management system needs to be developed for maintenance work

can improve or adversely affect the plant electric power output

This paper describes the new version of CTI ATC-105 emphasizing the differences between the 2000 and 2019 versions of the test code

there is no test of scale inhibitor effectiveness available today that adequately defines performance

Periodic inspections of mechanical and structural components by knowledgeable personnel are critical in maintaining and performance of the tower

low foaming and effective in controlling microorganisms at low parts per million levels

Monitoring and control of cooling water chemistry has improved considerably over the past few decades

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