What is Soil Vapor Intrusion, and Why Should We Be Concerned?
How Can Environmental Contamination Affect You? Soil Vapor Intrusion Subsurface contamination, whether stemming from hazardous groundwater, oil...
PFOS Contamination is Back in the News – Now, on Long Island
Suspected MacArthur Airport Groundwater Contamination Islip, NY Recent PFOA and PFOS Contaminant History Poly- and Perfluoroalkyl substances...
DEP Registration: Food Trucks & Five Other Types of Equipment
New York City Department of Environmental Protection Engine Registration Food Trucks and Carts Now Need DEP Registration The New York City...
Permitting a Compost Facility in New York – New Solid Waste Regulations
Updated New York State Composting Facility Regulations In a previous Walden blog we provided a brief overview of Subpart 361-3, which covers several...
New Part 361-4 Solid Waste Regulations Affect Mulch Processing and Storage Facilities
Mulch Processing and Storage Facilities Under the Newly Amended Solid Waste Regulations Does your facility create or store mulch which has been...
Prevailing Wage Compliance and its Role in Construction Management
Prevailing Wage on Public Work Jobs The state has a policy of ensuring workers are compensated with certain minimum, “Prevailing Wages” for various...
Proposed Amendment 6 NYCRR Chapter III – Air Resources Part 226 Solvents Metal Cleaning Process
Regulations pertaining to industrial cleaning and degreasing with solvents are changing. Here are the big take-aways. Businesses that use solvents...
Who is Required to Submit an Annual Hazardous Waste Report by March 1st?
NYSDEC Compliance and Reporting for Large Quantity Generators (LQG) of Hazardous Waste If you are an owner or an operator of an industrial or...
5 Community Right-to-Know Filing Guidelines for New York City
Right To Know Filing Every year on March 1st, facilities within New York City that store or use hazardous substances are required to file reports...
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...