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Specify the basis of the ecological PCL (benchmark, MQL, background, Tier 2 PCL, or Tier 3 PCL). PCLs for these pathways are not applicable to all sites. Refer to Determining PCLs for Surface Water and Sediment (RG-366/TRRP-24) to determine when to calculate a PCL for this pathway. SWSWHH – Surface water PCL protective of human health. ................
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