introduCtion Environmental Technology Verification Performance Claim Conditions The conditions for this performance claim are as follows: St. Paul, MN, COMO PARK - SITE 1 3 Aug 98 TSS in, kg TSS out, kg TSS removed, kg removal % mass TKN in, kg TKN out, kg TKN removed, kg removal % mass 5.22 1.30 3.92 75 0.188 0.166 0.08 44 7 Aug 98 19.47 3.61 15.86 81 0.141 0.055 0.09 61 27 Aug 98 1.35 0.40 0.95 70 0.011 0.012 0.00 -9 19 Sep 98 1.42 1.70 -0.28 -19 0.153 0.066 0.09 57 0.4 ha 7 Sep 99 0.25 0.21 0.04 16 0.013 0.001 0.01 92 11 Sep 99 14.59 2.31 12.28 84 0.486 0.091 0.40 81 19 Sep 99 0.13 0.03 0.10 77 0.002 0.001 0.00 50 OVERALL 43.15 10.45 32.70 76 1.005 0.345 0.66 65 23 Sep 98 0.72 0.89 -0.17 -24 0.011 0.011 0.00 0 ConCrete pipe Boston, MA, Westwood - SITE 2 5 Aug 97 TSS in, kg TSS out, kg TSS removed, kg removal % mass TKN in, kg TKN out, kg TKN removed, kg removal % mass 0.185 0.002 0.183 99 21 Aug 97 0.099 0.008 0.091 92 29 Sep 97 0.120 0.013 0.107 89 - 0.3 ha OVERALL 0.404 0.023 0.381 94 13 Mar 99 1.891 0.658 1.233 65 0.099 0.033 0.066 67 Seattle, WA, Seatac - SITE 3 25 Apr 99 0.699 0.315 0.384 55 0.024 0.024 0.000 0 3 May 99 0.296 0.093 0.203 69 0.028 0.024 0.004 14 0.4 ha 28 Oct 99 7.401 0.308 7.093 96 0.083 0.052 0.031 37 OVERALL 10.287 1.373 8.914 87 0.234 0.133 0.101 43 stormwater treatment teChnologies The performance claim is based on the above data from three field studies conducted at three geographically different locations, comprising fourteen storm events of varying intensity (1 to 131 mm/hr, 1 to 24 hrs duration). Verification Testing was done by the following: Service Environmental & Engineering (St. Paul, MN site); Environmental Sampling Technology (Boston, MA site); Associated Earth Sciences Inc. (Seattle, WA site). The evaluation was conducted by Pollutech Group of Companies Inc. following the ETV Program’s General Verification Protocol (March 2000). box seCtions What is the ETV Program? The Environmental Technology Verification (ETV) Program is delivered by ETV Canada under a license agreement from Environment Canada. The ETV Program is designed to support Canada’s environment industry by providing credible and independent verification of technology performance claims. Stormceptor® STC Contact Information: Imbrium Systems Inc. 2 St Clair Avenue West, Suite 2100 Toronto, Ontario M4V 1L5 Canada Tel: (416) 960 9900 Toll Free: (800) 565 4801 Fax: (416) 960 5637 Email: info@imbriumsystems.com www.imbriumsystems.com ETV Canada Contact Information: ETV Canada 2070 Hadwen Road Unit 201A Mississauga, Ontario L5K 2C9 Canada Tel: (905) 822-4133 Fax: (905) 822-3558 E-mail: etv@etvcanada.ca www.etvcanada.ca is a division of manhole and CatCh basin material Limitation of Verification Environment Canada, ETV Canada, and the Verification Entity provide the verification services solely on the basis of the information supplied by the applicant or vendor and assume no liability thereafter. The responsibility for the information supplied remains solely with the applicant or vendor and the liability for the purchase, installation, and operation (whether consequential or otherwise) is not transferred to any other party as a result of the verification. Printed March 2000 Updated March 2009 Expires March 2012 LAFARGE PIPE eMANUAL PAGE 13