Assertion: arsenic's effect | /r/HasProperty | toxic
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Source sentences:
text: Phosphate fertilizers may contain arsenic at up to 1,200 ppm, but at normal application rates, ''it seems highly improbable that the arsenic in domestic phosphate fertilizer exerts any toxic effects, even with very large annual applications of the fertilizer over extended periods of time ,, 797 Arsenic may be leached downward in sandy soils.