As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...
pH is a measurable parameter between the values of 0 and 14, defining the acidity or alkalinity of a solution. Solutions with a pH = 7 are considered neutral, pH < 7 are considered acidic and pH > 7 ...
The first-ever field test of ocean alkalinity enhancement in the United States was pushed back to 2025 due to shipping issues. But the geoengineering experiment has also run into public opposition ...
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