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Geosynthetics (GTX & REGEO)Geosynthetics are materials manufactured from various types of polymers used to enhance, augment and make possible cost effective environmental, transportation and geotechnical engineering construction projects. They are used to provide one or more of the following functions: separation, reinforcement, filtration, drainage and liquid barrier. Geotextiles are typically defined as flexible, textile-like fabrics of controlled permeability used to provide all of the above functions, except liquid barrier, in soil, rock and waste materials. It should be noted that natural fibre geotextiles (e.g. using jute) are manufactured in some parts of the world and these products are also considered to fall within the geotextile classification. NTPEP is also studying use of geocomposite drains and geogrids. Geogrids are generally described as stiff or flexible polymer grid-like sheets with large apertures used primarily as reinforcement of unstable soil (and waste masses.) The growth of these geosynthetic materials in Transportation, Geotechnical and Environmental related applications has been dramatic. Total use and sales of these materials are regularly increasing at rates of 10% to 20% per year in each of the above categories. (Source: International Geosynthetics Society,
IGS)
The GTX and REGEO work plans can be found by clicking on Documents in the right side menu. NTPEP Designated Lab: - GTX: TRI/Environmental, Inc.
- REGEO: TRI/Environmental, Inc.
A list of participating Geotextile manufacturers with a quality management system found to conform to the NTPEP GTX work plan.
Technical Committee Members
This roster is as up-to-date as AASHTO's official membership database. The columns are sortable by clicking on the column title.
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Committee Name:
NTPEP-Technical Committee on Geotextiles and Geosynthetics
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| Name | Email Address | Agency Name | Designation | Member Type |
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Hidden, Scott
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shidden@ncdot.gov
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North Carolina Department of Transportation
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Chair
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Voting
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Brown, Sophie
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sophie.brown@odot.state.or.us
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Oregon Department of Transportation
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Vice Chair
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Voting
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Glick, Vince
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vglick@aashto.org
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American Association of State Highway and Transportation Officials
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Liaison
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None
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Golden, Shannon G.
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goldens@dot.state.al.us
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Alabama Department of Transportation
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Member
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Voting
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Herrera, Rodrigo A
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rodrigo.herrera@dot.state.fl.us
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Florida Department of Transportation
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Member
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Voting
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Tobias, Daniel H
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daniel.tobias@illinois.gov
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Illinois Department of Transportation
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Member
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Voting
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Sommers, Scott Michael
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scott.sommers@iowadot.us
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Iowa Department of Transportation
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Member
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Voting
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Davis, Jason
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jason.davis@la.gov
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Louisiana Department of Transportation and Development
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Member
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Voting
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Sajedi, Dan
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dsajedi@sha.state.md.us
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Maryland Department of Transportation
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Member
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Voting
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Lee, Derek
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derek.lee@state.ma.us
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Massachusetts Department of Transportation
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Member
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Voting
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Blakely, John Alexander
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jblakely@mdot.ms.gov
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Mississippi Department of Transportation
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Member
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Voting
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Mclain, Kevin Wade
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kevin.mclain@modot.mo.gov
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Missouri Department of Transportation
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Member
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Voting
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Lindemann, Mark
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mark.lindemann@nebraska.gov
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Nebraska Department of Transportation
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Member
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Voting
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Blair, Joseph Richard
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Joseph.Blair@dot.nh.gov
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New Hampshire Department of Transportation
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Member
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Voting
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Burnett, Thomas W
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Tom.Burnett@dot.ny.gov
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New York State Department of Transportation
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Member
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Voting
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Merklin, Christopher
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chris.merklin@dot.ohio.gov
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Ohio Department of Transportation
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Member
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Voting
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Miller, Beverly
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bevemiller@pa.gov
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Pennsylvania Department of Transportation
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Member
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Voting
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Coward, Clifton
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clifton.coward@txdot.gov
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Texas Department of Transportation
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Member
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Voting
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Shi, Bin
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bshi@utah.gov
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Utah Department of Transportation
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Member
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Voting
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Ewald, Callie Ewald
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Callie.Ewald@vermont.gov
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Vermont Agency of Transportation
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Member
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Voting
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Kim, Wansoo
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wansoo.kim@vdot.virginia.gov
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Virginia Department of Transportation
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Member
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Voting
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Allen, Tony M
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allent@wsdot.wa.gov
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Washington State Department of Transportation
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Member
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Voting
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Baryluk, Greg R
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greg.baryluk@ads-pipe.com
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ADS, Inc.
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Other
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None
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Sarcinella, Robert L.
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sarc.engineering@yahoo.com
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Generic Agency
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Other
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None
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Joss, Craig John
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cjoss@appliedtesting.com
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Generic Agency
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Other
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None
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Harris, Keith
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keith.harris@hanescompanies.com
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Hanes Geo Components
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Other
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None
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Chuck, Fred Cordes
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fchuck@huesker.com
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Huesker, Inc.
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Other
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None
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Curry, Jonathan
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jicurry@ifai.com
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Industrial Fabrics Association International
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Other
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None
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Massingill, Curtis Randolph
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randy@landmsupplyco.com
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L&M Supply Company Inc.
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Other
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None
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Mandavkar, Sachin C.
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sachin@maccaferri-usa.com
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Maccaferri Inc.
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Other
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None
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Andrews, David
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david.andrews@propexglobal.com
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Propex Operating Company, LLC
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Other
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None
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Bernardi, Michael
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mbernardi@geogrid.com
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Strata Systems, Inc.
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Other
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None
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Steen, Carson Glenn
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glenn@synteen.com
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Synteen Technical Fabrics
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Other
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None
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Lostumbo, John
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j.lostumbo@tencategeo.com
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TenCate Geosynthetics
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Other
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None
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Gee, Bryan
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bgee@tensarcorp.com
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Tensar North American Green
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Other
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None
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Sprague, C Joel
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jsprague@tri-env.com
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TRI/Environmental, Inc.
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Other
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None
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Allen, Sam R
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sallen@tri-env.com
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TRI/Environmental, Inc.
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Other
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None
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Nelson, Jarrett A
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jnelson@tri-env.com
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TRI/Environmental, Inc.
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Other
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None
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Price, Michelle K
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michelle@usfabrics.com
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US Fabrics Inc
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Other
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None
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Technical Committee | | | | | | | | | | |
Andrew Aho | |
Geosynthetic Materials Association (GMA), Industry Rep |
(651) 225-6907![]( "Call: (651) 225-6907") | |
amaho@ifai.com |
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