A Best Practices Approach to Investigating and Remediating Contaminated Groundwater

Posted by Ashley Mantrana

A Best Practices Approach to Investigating and Remediating Contaminated Groundwater Groundwater contamination can come from…

How to Choose A Fleet Management System: A Practical Checklist

Posted by Ashley Mantrana

How to Choose A Fleet Management System: A Practical Checklist There are many ways in…

Meet the Engineer: Tom Gountras

Posted by Ted Nitza, P.E.

  Tom Gountras is a valued addition to the Walden team bringing more than 40…

Regulatory Update: EPA Announces Plan to Deal with PFAS

Posted by Louis Goldstein

Regulatory Update: EPA Announces Plan to Deal with PFAS Per- and Polyfluoroalkyl Substances (known collectively…

Walden’s Principal Named to the Book Fairies Board of Directors

Posted by Ashley Mantrana

Walden’s Principal Named to the Book Fairies Board of Directors The Book Fairies recently elected…

How Does the Superfund Sites New York Program Work?

Posted by Ashley Mantrana

How Does the Superfund Sites New York Program Work?       The New York State…

Guide to the NYC Local Law 133 Energy Benchmarking

Posted by Sydney Schandel

Guide to the NYC Local Law 133 Energy Benchmarking: What is Local Law 133? It…

Using A Fuel Management System to Record Fueling Transactions

Posted by Ashley Mantrana

With the right fuel management system, you can record and track every action and transaction that…

3 Reasons You May Need An Environmental Database Management System

Posted by Ashley Mantrana

Have you heard or read about environmental database management systems (EDMS) but aren’t sure this…

6 Reasons to File NYC Community Right-to-Know Online

Posted by Ashley Mantrana

6 Reasons to File NYC Community Right-to-Know Online: If you own or manage an NYC-based…

How to Operate a Compliant Spray Booth (Room) in NYC

Posted by Massimiliano Lelli, CSP

How to Operate a Compliant Spray Booth (Room) in NYC: If you want to operate…