Ross Environmental Services, Inc.

August 1, 2010 - The July, 2010 U.S. average spot price for caustic soda, based on the latest figure reported in Chemical Week, is below the $400/ton bottom threshold established for the neutralization surcharge. Therefore, there will be no neutralization surcharge applied during the month of August.

For more information about Chemical Week, go to their website at www.chemweek.com. If you have any questions about the surcharge, please contact your Territory Sales Manager or Customer Service Coordinator. You can call Customer Service at 1- 800-878-7677.