What is the HUD standard for lead content in paint that classifies it as 'lead-based paint'?
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A
0.5 mg/cm2 or more, or 0.5% by weight
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B
1.0 mg/cm2 or more, or 0.5% by weight
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C
2.0 mg/cm2 or more, or 1.0% by weight
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D
0.1 mg/cm2 or more, or 0.06% by weight