Air Quality Studies

Many of today’s industries make use of a variety of materials and chemical compounds that may be harmful to humans. Air sampling is routinely used to evaluate potential exposure and to determine remediation and mitigation protocols. One of Walden’s clients operates a semi-automated soldering station as part of their industrial process. Worker complaints lead to… Read More

Stormwater Sampling

The Clean Water Act (CWA) also known as the Federal Water Pollution Control Act requires that stormwater discharges associated with industrial activity from a point source to waters of the United States are unlawful, unless authorized by a National Pollutant Discharge Elimination System (NPDES) permit. New York’s State Pollutant Discharge Elimination System (SPDES) is a… Read More

NYS Town Municipal Laboratory – Temporary Environmental Technical Director Service

The New York State “Environmental Laboratory Approval Program (ELAP)”, which oversees Laboratories, requires a Technical Director with the appropriate academic background and experience, in order to maintain certifications for all New York State Environmental Laboratories. Walden Engineering’s staff includes a former NYS ELAP Certified Technical Director that was approved as acting Laboratory Technical Director for… Read More