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...
Groundwater 101: Monitoring Well Installation
Groundwater Monitoring Well Installation Basics Groundwater monitoring wells are commonly installed at sites that are known to be or suspected to be contaminated by a variety of substances such as petroleum compounds or chlorinated solvents. Groundwater Quality...
Due Diligence in Engineering Design and Construction: Utility Services
Rushing to design and construct a building or other engineered system without researching all functional aspects of its proposed location can be a tremendous financial error for any project manager or design engineer. During the early stages of project planning, the...
Technical Specifications Writing and Its Role in Construction Management
One of the most important (and oftentimes most difficult) aspects of a construction project is describing the desired finished product in a manner that is clear to all parties involved. Setting well-defined, measurable expectations for the contractor is paramount to...
Construction Site Safety Concern: Trenches and Excavations Part II
Excavating is a common activity on construction projects which can create dangerous situations for employers, employees, and bystanders. Because of the many dangers involved in excavating and trenching, OSHA has many rules around these activities including the...