题目内容
One of the steps in enforcement is monitoring which means watching, or observing violations.
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One of the steps in enforcement is sanctioning which means watching, or observing violations.
One of the steps in enforcement is sanctioning which means punishing violators.
One of the steps in enforcement is monitoring which means punishing violators.
Materials Balance: Reducing the discharge of residuals into one environmental medium may just increase the discharges into other media.
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