6.4. SR 08-13-2012 - Laserfiche WebLink

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1bune Driveway sealantis und, er assault Article by: LAUR E BLAKE Star Tribune April 21, 201.2 - 9:03 PM Rosemount W i ll and its name "to a list of about 1,5 cities 'hat ban a common twoe cyll driveway sealant to stop chemicals fro m rUnning off into storm-water ponds and creating expensive and hazardous poillution problems. T i A new ordinance that goes into effem This week prohibits the use of coal -gar sea nts for blacktop driveways, parking pots and other surfaces. Rosemount residents will be expected to -use -- and hire contractors who use -- safer, asphaft -based sealers. A violation would be puns shabte as a misdemeanor. The Minnesota PoTBution Contr6 Agency has found that coal'-tar sealants are a key contributor to PAle s (polycyclic aromatic hydrocarbons) that are showing LIP In storm-water InUding ponds in Minnesota. The PAHes make the silt that builds up in storm- water ponds both hazardous and expensive to dispose of. Sons by cities on coal tar sealants help reduce this po4utant, said Don Berger, M.P program administrator of storm-water policy. "The longer that co wear sealants are out down on hard surfaces, the more it, extends the proNem." R, Una lfl,frorn coal-tar lbaseO cirliveway an6 parking ot sea'aniz anc','akes, c can coflectin storm -water po nds ausing expensive and hazarcIOUSIOrODierns. Other cities that have �anned coal4ar sealants inCklde Inver Grove Heights, Prior Lake, Edina, Falcon Heights, Golden Va4ey, '--'o t, Star 7-NOUne LitfJe Canada, Maplewood, New Hope, Roseville, Vadnals Height's and White Bear Lake. he MP CA counted it a major victory in March when Jet Black tnternationa% a large national franchiser of Davement sea!- coating based in Eagan, announced that it would v6un1f.-a6,y phase out coal-tar-based sealants for all. 25 Minnesota I franchises this year and change to a safer asphalt emOsion by 2013. "Coal-tar residues that can contaminate storm-water ponds may become a thing, of the past thanks to a voluntary phase-out by ... Jet-Slac nt ern aflonaf," the WIPCA said on its websile in March. "When an industry leader embraces science-based recommendations ke this, it rea4y helps," MPCA Commissioner Paul Aasen said., An extensive survey by the MPICAfFound that the only reitai or st-111 selling coaltar-based driveway sowers are Sears and Hardware Hank, Rosemount Public Works Director Andrew Brotz'er reported, to the Cittv Council Aorl! 3., Rosemounl[ staff found no re"Milers se4ling the coal' tar products in Rosemount .r � he M.00Astill has no idea how many of the 20,000 storm ponds in the metro area contain pollutants, Berger said, "We don't have an answer to how many are contaminated to t(he point where their sediment needs to go I . ,o a mun cipal solid