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试卷: LEED v4 OM模拟题C卷英文[查看]   What defines a least-risk pesticide?
 什么是最低危害级别杀虫剂的定义?   A: Any product that dissipates after 48 hours 任何在48个小时后会消散的产品 B: Any product that is diluted by at least 5 gallons of water 被至少5加仑水稀释的产品 C: Any product applied as a barrier 任何用作屏障的产品 D: Any product that meets San Francisco\'s Tier 3 hazard criteria 满足旧金山危害等级3的产品     参考答案: D 
  本题解释: 选择D,本题解释A least-risk pesticide is \'a registered pesticide in the Tier III (lowest toxicity) category, using the San Francisco Hazard Ranking system, or a pesticide that meets the requirements in the San Francisco Pesticide Hazard Screening Protocol and is sold as a self-contained bait or as a crack-and-crevice treatment used in areas inaccessible to building occupants. Rodenticides are never considered least-risk pesticides.\' - USGBC |   
 
  
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