Eurofins QC, LLC

Eurofins QC, LLC Marlyse Burlingame 702 Electronic Drive Horsham, PA 19044 215-355-3900 www.eurofinsus.com/QC

Enviroscience, Inc.

EnviroScience, Inc. Jennifer Vydra 5070 Stow Road Stow, OH 44224 (330) 414-6552 www.enviroscienceinc.com

TestAmerica, Pittsburgh

Eurofins TestAmerica – Pittsburgh Pam Dudeck 301 Alpha Drive Pittsburgh, PA  15238 (412) 963-2425 www.testamericainc.com

East Penn Manufacturing

East Penn Manufacturing Company, Inc. Chris Thomas 104 Deka Road Lyon Station, PA  19536 (610) 682-6361 www.eastpennmanufacturing.com