Changes to Phase I Environmental Site Assessment Standard Expected in 2021
First written by the American Society for Testing and Materials (ASTM) and approved by the Environmental Protection Agency (EPA) in 1993, ASTM...
Your Guide to Brownfield Developments: What You Need to Know to Make Sure Your Investment Dollars are Well Spent
Understanding the Risks and Rewards of Developing a Brownfield Site Savvy developers should know that due diligence is the critical piece of the...
Summer Safety: Heat Related Illness
As of last week, the greater New York City area has already seen two official heat waves, and the summer has only just begun. Unfortunately,...
New Proposed Rule by DSNY
The New York City Department of Sanitation (DSNY) is proposing a new amendment to rules to tighten up on trash and recycling being left on curbsides...
Ground-Based Laser Scanning and Photogrammetry
It was not too many years ago that using laser scanners to capture space measurements was something that many organizations thought was out of their...
Walden Environmental Engineering Spends Time at the Sisters of St. Joseph Facility
Giving back is a high priority at Walden. We are passionate about improving the environment and enhancing the well-being of the communities in...
Meet Walden’s 2021 Scholarship Winner!
Walden Environmental Engineering offers a scholarship to high school students in Oyster Bay, NY. The goal is to expose young aspiring students...
Understanding FDNY Rule 3 RCNY 608 as it Applies to New Technology
Since October 1, 2019, the New York City Fire Department’s Rule 3 RCNY 608-01, entitled “Outdoor Stationary Storage Battery Systems” has been in...
Part 360 compliance made easy with mobile LiDAR scanning
It is becoming more common for municipal Sanitation Departments and private solid waste facilities to process yard wastes for beneficial reuse as...
What is the SPDES Permit Program and its Role in Eliminating Pollution?
The State Pollutant Discharge Elimination System (SPDES) permit program was authorized by Article 17 of the Environmental Conservation Law, with the...