EPA considers a solution corrosive if pH is less than what or greater than what?

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Multiple Choice

EPA considers a solution corrosive if pH is less than what or greater than what?

Explanation:
The key idea is that EPA defines corrosive wastes by extreme pH values. Under EPA hazardous waste rules, a solution is considered corrosive if its pH is 2 or lower or 12.5 or higher. So the cutoff values are 2 and 12.5, which is why that option is the best answer. The other choices don’t match EPA’s defined limits: they use less extreme or different numbers, so they don’t reflect the official corrosivity thresholds.

The key idea is that EPA defines corrosive wastes by extreme pH values. Under EPA hazardous waste rules, a solution is considered corrosive if its pH is 2 or lower or 12.5 or higher. So the cutoff values are 2 and 12.5, which is why that option is the best answer. The other choices don’t match EPA’s defined limits: they use less extreme or different numbers, so they don’t reflect the official corrosivity thresholds.

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