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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?

EPA is scheduled to issue a draft scientific health evaluation for hexavalent chromium by the end of 2022 for public comment and review. The assessment has been underway for more than a decade, and an updated assessment could lead to significantly tighter rules and restrictions nationwide.

Is the recovery of nickel metal from waste sludge considered recycling, reusing or reclaiming?

Question: Due to the buildup of contaminants, we are looking at removing about one-half of our chrome plating bath and reconstitute it back to normal operating volume and strength.

Question: We are a small generator of hazardous waste and are well within the limits for discharge to the city, and our tanks are about 1,200 gallons.

For platers, the Resource Conservation and Recovery Act (RCRA) is synonymous with F006 hazardous waste or electroplating sludge.

Venesia Hurtubise from MicroCare says switching to the new modern cleaning fluids will have a positive impact on your cleaning process.

Question: Steve, thanks for your July column, “New Hazardous Waste Laws,” regarding the new DOT chemical security regulations.

I have heard through the grapevine that the U.S. Department of Transportation has inspected one of our competitors regarding hazardous materials registration requirements. Can you give this small metal finishing shop owner an overview on how this would apply to us, since we do not transport hazardous materials? Also, do you have any insight into what may trigger a DOT inspection?

Question: Your response to “Pretreatment Over Pretreatment” in the February Painting Clinic should be amended to warn him that running aluminum through an Iron phosphate spray washer would make the sludge in the washer a hazardous waste (according to an earlier comment you made about a year ago). I believe the problem is created by the definition of acid washing of aluminum is a categorical hazardous waste (by EPA definition). When he cleans the washer, all the sludge that is normally sent to the landfill or flushed down the sanitary sewer would be considered an illegal disposal of hazardous waste.