Using Rare Earth Elements to Assess Groundwater Remediation Efforts
Remediation is a term used to describe the processes through which hazardous materials or wastes (such as gasoline) and contaminants (like cleaning solvents and metals) are destroyed or removed from underground soil, groundwater, or sediment systems. The two main...
Preventing and Extinguishing Lithium-Ion Battery Fires
Lithium-ion batteries are used to power different products including e-bikes, cars, trucks, and e-scooters. Although the batteries are beneficial and have a high energy density, these products can catch fire during use, storage, or charging. The fires occur when the...
New York Releases Draft SPDES Construction General Permit (GP-0-25-001) for Public Comment
The State Pollutant Discharge Elimination System (SPDES) is a permit program instituted by the New York State Department of Environmental Conservation (DEC) to regulate pollutant discharges into water bodies. SPDES Construction General Permits (CGPs) specifically...
Walden Partners with Vassar College Students on NYS Climate Act Research
Walden was very fortunate to have worked with a team of student researchers from Vassar College this summer! The students spent the past couple of months learning about the New York State Climate Leadership and Community Protection Act (CLCPA, or Climate Act) and...
NYS Environmental Bond Act Listening Tour Coming to Suffolk County
The Bond Act On Election Day last year, New Yorkers voted to pass the Clean Water, Clean Air and Green Jobs Environmental Bond Act. The purpose of the Bond Act is to provide funding that will help protect the state’s environment and mitigate the impacts of climate...
Walden Employee Spotlight: Lou Donates His Hair
Lou Goldstein, Project Engineer at Walden, cut his hair this past weekend! A haircut is not always a particularly notable occasion, but we wanted to highlight this particular case because Lou donated his hair to an awesome non-profit. Children With Hair Loss is an...
DiscoverE’s Summer of STEM 2023 Program Starts Next Week!
Are you looking for fun, science-based activities to occupy your school-age kids this summer? Check out DiscoverE’s “Summer of STEM!” DiscoverE is the organization behind several engineering-focused initiatives, including Engineers Week and World Engineering Day....
Comments on PFAS in Biosolids Draft Policy Due July 10, 2023
The New York State Department of Environmental Conservation (DEC) is accepting comments on a draft policy intended to regulate per- and polyfluoroalkyl substances (PFAS) until July 10, 2023. The policy, Draft Division of Materials Management Program Policy 7 –...
Act Now: Semi-Annual Stormwater Monitoring and Reporting Deadline Approaching!
Facilities whose stormwater discharges are regulated under New York’s State Pollutant Discharge Elimination System (SPDES) program are required to complete stormwater sampling and reporting on either a quarterly or semi-annual basis. The current monitoring semi-annual...
Walden’s EHS Division Conducts First Aid Training Programs
On February 14, Walden’s Amanda Chatfield, a specialist on our EHS team, conducted a first aid training session. In the image, Chatfield is teaching trainees about the use of an AED. AEDs can be used to revive people who have gone into cardiac arrest by detecting the...