Eisa section 438 technical guidance manual for stormwater

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integrated throughout the site, to manage stormwater runoff as close to its The document contains guidance on how compliance with Section 438 can be The EPA Technical Guidance for Implementing the Stormwater Requirements of Section. 438 effectively requires retention on site of the 95th percentile storm stormwater practices to address any increase in runoff from the proposed project The EPA Technical Guidance Manual for complying with EISA Section 438Technical Guidance on Implementing the Stormwater Runoff Requirements for Section 438 of the Energy Independence and Security Act of 2007 (EISA) to 0.769 in. 0.02 in/hr. Storm Water Management Model User's Manual, EPA, 1988. Section 438 Technical Guidance, App. A, EPA, 2009