ATLANTA, June 3, 2011 /PRNewswire/ -- Perma-Fix Environmental Services, Inc. (NASDAQ: PESI) today announced it has signed an exclusive option agreement with Battelle, which operates Pacific Northwest National Laboratory for the U.S.

DENVER, May 23 /PRNewswire-FirstCall/ -- ARCADIS (Euronext: ARCAD), the international design, consulting, engineering and management services company, announced today it will be the single largest participant at Battelle's "International Conference on Remediation of Chlorinated and Recalcitrant Compounds," with more than 50 presentations from its renowned remediation experts. (Logo: http://www.newscom.com/cgi-bin/prnh/20100125/LA43570LOGO ) The bi-annual conference, held May 24-27, in Monterey, Calif., will include a 4-hour short course, more than 26 platform presentations and a number of poster presentations from ARCADIS and Malcolm Pirnie experts.

CHARLOTTE, N.C., May 5 /PRNewswire/ -- Hendrick Construction, Inc. finished a 14,000-square-foot expansion project at Oak Ridge National Laboratory, upgrading lab space at one of the world's premier research facilities.

COLUMBUS, Ohio, May 4 /PRNewswire/ -- Ohio will celebrate 10 years of success and global leadership in the fuel cell industry at the Ohio Fuel Cell Symposium scheduled for May 6-7, 2010 at the Great Lakes Science Center in Cleveland, Ohio.

COLUMBUS, Ohio, April 9 /PRNewswire/ -- Ohio has the unique combination of knowledge, resources and infrastructure to support the development of innovative technologies in the fuel cell industry, according to the global leaders who participated in the "Fuel Cells - Opportunity for Growth" event held April 9, 2010.