Concrete Pouring: Good Practices
Guide to Proper Concrete Installation Avoid Cold-Weather Pours With the onset of springtime and warmer weather comes a dramatic increase in outdoor construction work. Concrete work is widespread in the construction world, whether concrete is used as a platform for...
Walden Stays Active With the NYSDEC Solid Waste Part 360 Updates
NYSDEC Solid Waste Meeting On April 10, 2018 Walden attended the Hauppauge Industrial Association of Long Island (HIA-LI) Environmental/Green Industries Committee Meeting to listen to the New York State Department of Environmental Conservation (NYSDEC) discuss the...
Petroleum Storage Requirements: SPCC Plan for Spill Preparation
Spill Prevention, Control, and Countermeasure (SPCC) Plans All too often, facilities that store potentially hazardous chemicals are ill-prepared to respond to a leak or spill. In effort to protect the health and safety of site-employees and the environment, a...
What is a Confined Space? (And What Should We Do About it?)
Construction Site Safety: Confined Space Entry In the world of engineering and construction, we encounter all types of unknowns during the design process. For example, we may lack knowledge regarding buried utilities, interior details of inaccessible buildings, past...
Watch Bob LoPinto, P.E. Discuss NYSDEC Solid Waste Permits
New York State Permitted vs. Registered Solid Waste Facilities Have you been hearing about these new NYSDEC Part 360 changes, and are unsure if you are being affected? Watch this short video of Walden's Robert LoPinto, P.E. who will explain the basis of who will need...
Soil Vapor Intrusion Solutions – Sub-Slab Depressurization System
How to Address Soil Vapor Intrusion Discussed in a previous blog (link at the bottom of the page), subsurface contamination can find its way into habitable buildings via minor breaches in a building’s foundation and/or flooring. Source area removal, or direct removal...
Five Steps for Quality Assurance & Quality Control (QA/QC) in Groundwater Sampling
Groundwater Sampling Groundwater sampling and monitoring is a crucial component of the majority of subsurface remediation work. Walden addressed the topic of monitoring well (well) installation in a previous blog; well networks are strategically designed based on the...
Key Stormwater Permit Requirements for Vehicle Dismantling Facilities
Stormwater Regulation Updates Affect Auto Salvage Businesses If you own or operate a Vehicle Dismantling Facility-- a business that disassembles or wrecks used motor vehicles for parts recycling, resale, or scrap-- please note that you must conform to multiple New...
Reminder: Annual Waste Report is Due March 1st
As the year comes to a close, don’t forget about the New York State Department of Environmental Conservation’s (NYSDEC) Solid Waste Annual Report requirements. Businesses all across the state must submit various information about wastes received, processed, or sent...
Long Island’s Big Push Towards Nitrogen Removing Septic Tanks
Suffolk County Septic Systems As stated in our recent blog “Suffolk County Commercial Cesspools Will No Longer Be Grandfathered-in During Redevelopment”, commercial and industrial facilities will now have to comply with new septic tank regulations. If there are any...