Dry Cleaners Regulatory Update – 6 NYCRR Part 232

The Environmental Impact of Dry Cleaners Historically, dry cleaning facilities have been hotbeds for subsurface contamination due to the solvents used in the dry cleaning process.  Chlorinated solvents are the chemicals most associated with dry cleaners and their environmental impact, namely perchloroethylene (PCE, or “perc”) and trichloroethylene (TCE).  Living near a former or current dry… Read More

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 Sampling Monitoring wells allow for the analysis of chemical, biological and/or physical properties of groundwater within an aquifer,… Read More

New York State Grants Available for Clean Water and Drinking Water Infrastructure Improvement Projects

As municipalities across the country are assessing and investing in improvements to aging water treatment and supply systems, New York State recently passed the Clean Water Infrastructure Act of 2017, allocating at least $1 billion in funding to water infrastructure improvements projects and $150 million to intermunicipal water infrastructure improvements. This funding is being administered… Read More

Do You Know How to Dispose of Hazardous Waste?

In February a New York business and one employee were convicted for violating the New York State Environmental Conservation Law (ECL). The business and employee illegally disposed of hazardous materials and waste at their facility. Both the employee and facility were indicted with endangering public health, safety or the environment for the crimes and paid… Read More

The Origins of 1,4-Dioxane: How Did It Get Into Long Island’s Drinking Water?

PFOA PFOS in drinking water - walden

Long Island’s groundwater has recently been reported to contain elevated levels of 1,4-dioxane. As discussed in Walden’s recent blog, “How will the 1,4-Dioxane in my Drinking Water Affect my Health?“, 1,4-dioxane, a probable cancer causing chemical, has been detected in drinking water at concentrations exceeding health based levels. What are the origins of 1, 4-dioxane… Read More

How will the 1,4-Dioxane in my Drinking Water Affect my Health?

The presence of 1,4-dioxane in drinking water has recently been a topic of public concern for residents of Long Island, New York. The United States Environmental Protection Agency (USEPA) classifies 1,4-dioxane as a probable human carcinogen, or a likely cancer-causing substance. According to publicly available water quality reports from 2013 through 2015, elevated concentrations of… Read More