1. Lehigh-Northampton Airport Authority Environmental Consulting Services

    Since 2015, RETTEW has provided Lehigh-Northampton Airport Authority (LNAA) and Lehigh Valley International Airport (ABE) with industrial National Pollutant Discharge Elimination System (NPDES) consulting, compliance, and permitting support. The initial project — to make the ABE stormwater program compliant with federal and state regulations with an approved NPDES PAG-03 General Permit for industrial stormwater discharge…

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Awards, Employee Update

Felicia Bechtel Selected as Central Penn Business Journal 2024 Women of Influence Honoree

We are thrilled to announce Felicia Bechtel, MSc, PG, Senior Geophysical Advisor at RETTEW, has been named as…

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Driving Safety Tips

For some of us, the most dangerous thing we do every day is drive to and from work….

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