Does the concrete expand when sulfuric acid come in contact with the concrete? I have this secondary containment concrete trench with an acid proof lining. The lining was compromised over the years and now the sulfuric acid had worked its way to the bottom portion of the concrete trench wall on both sides. I can actually easily scour the said area with a hammer claw since it is very soft and damp. We will take a sample in the soft area and test for PH level. Expect the sample to be way below 7.
Any help will be appreciated.
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