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Stormwater_Review_Comments_202_5thAveS.pdf Stormwater Review Comments For: th 202 5 Avenue S. 1) Need to provide stormwater quality treatment for the parking and driving surfaces. The stormwater quality treatment needed is for the control of Petroleum Hydrocarbons. The 4 feet of dead storage in the vault will help with sediment loading but not for the treatment of Petroleum Hydrocarbons. Use a BMP from the DOE Stormwater Management Manual that will be suitable for Petroleum Hydrocarbons in the amount likely to be seen at a such as this. Some high-use site examples of potential oil control options include facilities such as an API-Type Oil/Water Separator, Coalescing Plate Oil/Water Separator, or a sand filter system.