J_2024 05 09_West Orange Stormwater Management Plan

jj&tate of ^Nefcr CHRIS CHRISTIE Governor KIM GUADAGNO Lt. Governor Department of Environmental Protection 401-02B Bureau of Nonpoint Pollution Control Division of Water Quality Post Office Box 420 Trenton, New Jersey 08625-0420 609-633-7021 Fax: 609-777-0432 http://www.state.nj.us/dep/dwq/bnpc_home.htm BOB MARTIN Commissioner September 1,2011 Mark B. Miller, P.G. AquaShield, Inc. 2705 Kanasita Drive Chattanooga, Tennessee 37343 Re: MTD Laboratory Test Certification for the Aqua-Filter by AquaShield, Inc. Effective Date: September 1,2011 Expiration Date: September 1,2013 TSS Removal Rate: 80% Dear Mr. Miller: The Stormwater Management Rules at N J.A.C. 7:8 allow the use of manufactured treatment devices (MTDs) for compliance with the design and performance standards provided that the pollutant removal rates have been verified by New Jersey Corporation for Advanced Technology, NJCAT, and certified by the New Jersey Department of Environmental Protection (NJDEP). The certification process was revised through the ‘Transition for Manufactured Treatment Devices,” dated July 15, 2011. NJDEP has determined that Aqua-Filter by AquaShield, Inc. is consistent with the criteria under A. Manufactured Treatment Devices with Interim Certifications. Therefore, NJDEP certifies the use of the coarse perlite media filtration cartridge of the Aqna-Filter by AquaShield, Inc. with an 80% TSS removal rate, provided that the project design is consistent with the following conditions: 1. The various models and associated water quality flow capacities shall be sized for the peak flow of the New Jersey Water Quality Design Storm per N. J.A.C. 7:8-5. 2. The peak inflow of the Water Quality Design Storm is limited to 0.01 cfs per square foot of filter area. The maximum inflow area per square foot of filter area is limited to 0.01 acres of impervious area. Note: One row of filter media is typically 12 fi2. New Jersey is an Equal Opportunity Employer. Printed on Recycled Paper and Recyclable