The EPA recently released an advance notice for proposed rulemaking (ANPRM) for per- and polyfluoroalkyl substances (PFAS). The Agency is requesting public comment on the information and data presented in the ANPRM. Comments must be received on or before May 17, 2021. This ANPRM will also initiate further data collection and analysis to support future… Read More
Drones are still a nascent technology, and the market is still maturing. Hardware quickly becomes obsolete and the laws governing drone use are continually changing. By utilizing firms that have experience in navigating the complex regulatory and technical challenges of the drone industry, a site manager can reap the benefits of this technology while avoiding… Read More
New York State’s new process for large-scale renewables siting and permitting, the Section 94-c process, has finally been issued by the Office of Renewable Energy Siting (ORES) and became effective on March 3, 2021. The draft regulations were issued on September 16, 2020 and were open to public comment until December 7, 2020. The State… Read More
Was I Supposed to File a Tier II Annual Report for My Facility? The New York City Department of Environmental Protection (NYC DEP) Community Right-To-Know Law [Local Law 26 of 1988] requires all NYC businesses and facilities handling and storing hazardous substances at or above Reportable Quantities (RQ) to annually file a Tier II Report… Read More
Drones have an exceptional ability to get into hard to reach and tight locations easily. Whether it is the rooftop on a water treatment plant or the envelope of an elevated water tank, drones combined with high powered zoom lenses are able to quickly inspect issues close-up. In the photo below, a drone was able… Read More
The New York City Department of Sanitation (“DSNY” or “Department”) is in the process of establishing new Commercial Waste Zones throughout the City in order to address the increase of truck traffic, harmful environmental impacts, and insufficient attention to public safety from carters collecting commercial waste. The Plan was released in November 2018 after years… Read More
Allison Brundage is a Staff Engineer at Walden Environmental Engineering. Allison received her Bachelor’s degree in Environmental Engineering and a minor in Environmental Sustainability from the University of Delaware. Her favorite course in college was global sustainable engineering. She was also active in Greek life and club sports. In addition to her campus participation, Allison… Read More
The Occupational Safety and Health Administration (OSHA) is proposing through the notice of proposed rule making (NPRM) to modify the Hazard Communication Standard (HCS) to align to the United Nations’ Globally Harmonized System (GHS). The goal of the modification is to address issues that arose during the implementation of the 2012 update to the HCS,… Read More
Despite the challenges and uncertainty that 2020 brought to many industries and businesses across the country, Walden’s staff members were hard at work developing their skills and furthering their knowledge. Walden is committed to professional development, with the ultimate goal of broadening the services we provide to the firm’s clients. Two of Walden’s environmental scientists,… Read More
In Walden’s first guest blog of 2021, BlueConduit, a pioneer in the use technology to help communities identify lead service lines, outlines what predictive modeling is and how they use it help their clients. Replacing lead service lines (LSLs) is a public health and infrastructure priority that can be a costly and time-consuming endeavor for… Read More