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Alternative Earthen Final Cover Services

April 23, 2019

Blackstone Environmental provides design, monitoring and evaluation services to landfills in the implementation and management of the Alternative Earthen Final Cover (AEFCs). Native grasses, wild flowers, shrubs and trees are key for areas surrounding landfills to eventually mimic the natural state before landfill development, and sustained biodiversity as a result of trees and grasses will provide food sources for different wildlife species. AEFCs are constructed to perform as well as Subtitle D caps and are more cost effective and sustainable over the long term. Additional benefits include final covers that provide a naturally sustainable, ecosystem-based design requiring less maintenance and offering improved structural integrity, water uptake, vegetation health, nutrient recycling and wildlife/aesthetic characteristics. For more information about Blackstone’s AEFC services, contact Kyle Kukuk at 913-956-6223. Photos: Taken at Hamm Sanitary Landfill (HSL) last month outside of Lawrence, Kansas. HSL has been approved under the Kansas Department of Health and Environment Research, Development and Demonstration regulations to construct an AEFC.
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Project Profile: Stormwater Channel Restoration

January 29, 2019

Blackstone Environmental recently provided water resource engineering to an industrial facility in Nebraska to assist in replacement of an undersized storm water culvert and restoration of channel riprap lining and vegetation. Project An existing channel crossing the culvert system, which consisted of multiple circular corrugated metal pipes, did not provide adequate hydraulic capacity or have the ability to pass woody debris downstream. The existing culverts needed replacement, and the client requested a box culvert to improve hydraulic capacity through the channel. Existing channel banks downstream of the culvert crossing were eroding due to lack of riprap and exposure to the elements over many years. The native soils are highly erodible, which was evident in multiple areas of the storm water channel. Services This project included water resource engineering, streambank stabilization and Corps of Engineers environmental permitting. Blackstone designed a new concrete box culvert for an access road crossing for the main storm water channel running through the facility. The existing culvert was undersized and was…
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Blackstone’s Scott Mattes and Emily Smart receive EPA L.E.A.F.S. Award

April 25, 2018

Blackstone Environmental is pleased to announce that Scott Mattes and Emily Smart were among the named recipients of an EPA L.E.A.F.S. award made to the City of Dubuque on Thursday, April 19, 2018, for their work on the Peoples Natural Gas Superfund Site redevelopment in Dubuque, IA. The prestigious L.E.A.F.S. award was established by EPA Region 7 to recognize those who have supported the Superfund Redevelopment Initiative through innovative thinking, sustainable practices, and environmental stewardship. A responsible party, developer, site owner, nonprofit, local government or community member who has demonstrated excellence in working cooperatively with Region 7 to guarantee the redevelopment of a Superfund Site is eligible to receive the L.E.A.F.S award. The City’s vision for this Site was executed by a large group of project partners, including multiple federal and state agencies, several responsible parties, consultants, contractors, and a dedicated City Project Management team. The construction of a beautiful and functional bus storage facility and training center on this Superfund Site improved the property,…
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