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Walden Welcomes Ashley Mantrana!

We are excited to have Ashley Mantrana join the Walden team as our newest Marketing…

Andrew Oskowsky Joins the Walden Team!

Walden Environmental Engineering, PLLC is excited to welcome Andrew Oskowsky as our newest Project Engineer!…

Walden Spotlight: Jessica Bluth, P.G.

Walden Environmental Engineering is pleased to introduce its first licensed Professional Geologist Jessica Bluth! Jessica…

What Do My Lab Results Mean? Interpreting Laboratory Data Reports

Laboratory Data Should Answer Questions, Not Create Them! In today’s complex world of ever-evolving and…

Proposed SPDES Update: E. coli, Enterococci, and the New York Bay

Proposed Rule Change for E. coli, Enterococci, and the Reclassification of New York Bay The…

Municipal Grant Opportunities in 2018

New York State’s 2018 Consolidated Funding Application Grant Program Now Open This year New York…

NYSDEC Part 360 Compliance starts TODAY!

Hey Bud, do you know about B.U.D.s? Tracking Documents? Permits and Registrations? The time has…

Who Needs an NYC DEP Air Emissions Registration?

NYCDEP Registration(s) for Air Emissions Sources How Does New York City Control Air Pollution? The…

Cooling Tower and Evaporative Coolers Issues – What You Need to Know about Legionella Compliance in New York State

Legionnaire’s Disease is Preventable Recent outbreaks of Legionellosis (Legionnaire’s disease) have been traced to the…

So, You Bought A Brownfield. Now What?

Brownfield Redevelopment What did I buy? Hundreds of thousands of brownfields are located across the…

Concrete Pouring: Good Practices

Guide to Proper Concrete Installation Avoid Cold-Weather Pours With the onset of springtime and warmer…