Author Archives: Charles Frenzel

Personalized Workshops

You can only beat the competition if you’re in the race! If you paint, refurbish, or maintain any kind of structure or ship or bridge, learning the how, when, and why of using water jetting is crucial to your success. … Continue reading

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Tributyltin Review Paper

January 2003, a ban on the application of tributyltin TBT -based antifouling paints; and 1 January 2008 as the last date for having TBT-based antifouling paint on a vessel. duct an independent international calibration of environment by mankind’ Goldberg, keynote … Continue reading

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Just Wastewater

The objective of this project was to investigate methods for treating the ballast water from naval vessels that have compensated fuel tanks. With an oil and water interface, there is some mixing of fuel and water so that free oil … Continue reading

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Copper and Zinc Waste

This regulatory action lead to an intensive research effort to develop a treatment method for ship s wash water waste stream that could consistently remove TBT to levels below this discharge standard. Coagulation studies have concentrated on evaluating the performance … Continue reading

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Stormwater and Heavy Metals

Even with the most sophisticated and rigorous best management practices (BMPs), some heavy metals are invariably transported into storm water collection systems. Storm water discharges into adjacent receiving waters are facing increasing regulatory compliance requirements which include not only additional … Continue reading

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Removing Tributyltin

The purpose of this study is to identify practical technology that can be used by shipyards to remove tributyltin (TBT) from large volumes of water to levels below 50 parts per trillion. Procedures for treating wastewater at the Livermore facility … Continue reading

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Air Emissions and Waste Water Discharges

The objective of this project was to perform a survey of U.S. shipyards and similar industries to determine what technologies are currently being implemented or planned to prevent or reduce air emissions and wastewater discharges from facility operations. There are … Continue reading

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