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Protection from Hex Chrome
OSHA’s relatively new hexavalent chromium standard remains somewhat confusing when trying to implement at our plant. Could you provide some insight on how to obtain compliance?
Ask an Expert Published: 1/1/2009
ENVIRONMENTAL SITE ASSESSMENT FOR LEASED BUILDING
Q: We are consolidating several plants into one location in order to improve our efficiencies and better serve our customers.
Ask an Expert Published: 11/1/2008
NON-HAZARDOUS FILTER PRESS CAKE
Is it your understanding that filter press cake from a zinc or zinc cobalt plating line that uses trivelant chromates would be considered non-hazardous, and, therefore, could be disposed into our local sanitary landfill?
Ask an Expert Published: 11/1/2008
Lowering Wastestream pH
Is there a way to lower the pH of this highly alkaline wastestream without generating the NO2 ?
Ask an Expert Published: 7/1/2008
Preparing for Inspection
I have looked over our hazardous waste procedures and recordkeeping, and they look OK. Do you have any additional advice for us regarding this impending inspection?
Ask an Expert Published: 7/1/2008
NITRATE TOXIC RELEASE REPORTING
We use a significant amount of nitric acid, and I know nitric acid contains the nitrate ion. I checked past Form R reports, and we have been reporting nitric acid. I am concerned because I cannot find any backup calculations or explanations on where...
Ask an Expert Published: 5/1/2008
PAINT BOOTH FILTER FOR VOCS?
Recently, a sales representative told us that his company’s fiberglass paint booth filters reduce the amount of volatile organic compounds (VOCs) going up the stack by up to 75%. He claims that we could use a higher- VOC coating that’s less expensiv...
Ask an Expert Published: 5/1/2008
WASTEWATER SAMPLING
We have a small plating line and batch wastewater treatment system that are captive to our manufacturing operation. For many years, the city has allowed us to perform grab sampling from a sampling port on the side of our batch treatment tank for our...
Ask an Expert Published: 5/1/2008
Neutralizing pH
I am our facility’s environmental, health and safety manager. Periodically, we have very high-pH wastewaters that cause the pH within the cyanide oxidation step to be well above our desired upper limit of 11. Our operator has requested that we add s...
Ask an Expert Published: 3/1/2008
Remove More Nox
Do you have any ideas to reduce the yellow/brown color of air emissions from our nitric acid-based aluminum bright dip process?
Ask an Expert Published: 3/1/2008

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