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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Soil RemediationHS-Chem/SmileCorp Collaboration,SmileCorp Smelting Facility,located in Smileyville,NY,zinc,tin and lead production,recycling/recovery of metals,large employer in area,supply metals to many industries,Our Facility,In use for 50 years,50 acre site,On Smileyville river,recreational,Near residential areas,Near forested areas,Smelting Byproducts,Blast furnace slag,considered harmless,used in other products,off site disposal,Blast furnace stack,dust containing lead,Stored on site,recycling,disposal,Past Practices,Blast furnace slag,may have been dumped in Smileyville river,dispersed around site,left in piles on site,Blast furnace stack,dust may not have been captured,captured dust may be disposed of on site,Subsurface,Ground water,Depth to water table=5 feet,Direction of flow,Depth of known lead contamination=4.5 feet,Bedrock,Depth=10 feet,SmileCorp Options,Do nothing,Pump and treat,Pump and treat with additive(EDTA),Ground water,H,2,0+,EDTA?,H,2,0+Pb,+2,Bedrock,Lead-ligand Interaction,EDTA,Pb,+2,Pb,+2,Soil,Pb,+2,Pb,+2,Pb,+2,Released into solution,In solution,“tied up by ligand,(ethylenediaminetetraacetic acid),SmileCorp Objectives,Cost effective solution,Least chance of fines from government or lawsuits,Non-disruptive procedure,HS-Chem,Analyze data&run experiments,what will happen to lead on our site if left as is?,should we consider pump and treat technology?,would adding EDTA to the pump and treat system improve results?,what is the best course of action for SmileCorp?,
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