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What leads to mussel population change?  Answers.

3/10/2010

I have a problem with ammonia violations at some of my small (less than 7,500 gallons/day) extended aeration package wwtp’s that I contract operate. These plants are designed to remove an influent ammonia level in the range of 25 mg/l. However, after testing the influents at some of these small plants, I have found the influent levels to be in excess of 100 mg/l . . . . read full question and answers.

3/5/2010

Am looking for an alternative chemical supplier for ferrous chloride. We use it for phosphorus control and aid in settling in our secondary settling tanks. We are located in northwest Ohio.Any ideas?

2/17/2010

An anaerobic digester sees a doubling of alkalinity and volatile acids cut in half. This coincides with the use of salt on city streets in winter time, and also foaming in the anerobic digester . . . . read full question and answers.

 

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Disclaimer: Responses to “Ask an Expert” questions represent opinions of the individual writers and shall not be construed to be those of the Ohio Water Environment Association or its officers. The Ohio Water Environment Association does not authenticate or endorse any opinion, position, or recommendation delivered or received via this process as technically accurate, appropriate, or suitable for implementation at any facility. Accordingly, the Ohio Water Environment Association shall not be held liable by any party for any information, opinion, or recommendation disclosed via the “Ask an Expert” process.