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Explain what the 35ppm specification means

User Joerg
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Answer:

Just as per cent means out of a hundred, so parts per million or ppm means out of a million. Usually describes the concentration of something in water or soil. One ppm is equivalent to 1 milligram of something per liter of water (mg/l) or 1 milligram of something per kilogram soil (mg/kg).

Step-by-step explanation:

User Aleksandr M
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