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Assessment
What is the primary source of nitrate pollution in drinking water?
Agricultural runoff
Industrial discharge
Household waste
Wetland drainage
Which health issue is commonly associated with high nitrate levels in drinking water?
Methemoglobinemia (blue baby syndrome)
Lead poisoning
Fluoride toxicity
Arsenic contamination
What is the maximum contaminant level (MCL) for nitrates in drinking water established by the EPA?
10 mg/L
50 mg/L
1 mg/L
20 mg/L
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