G'day Jeanne, Many years ago I was Environment and Community Manager at an underground coal mine in the Southern Highlands of NSW in Australia. We were approved to discharged mine goaf water via ...

Jeanne, and everyone else interested in the topic: I have had success for the last 2+ years treating storm water discharges from an excavation site for both pH (using a CO2 injection system) and turbidity ...

I was involved in a Sound Transit Park and Ride project where this was done using dry ice. The dry ice was added to the sediment pond following concrete paving on the site. I'm not sure about dosing. ...