In response to new approaches by environmental professionals to identify PFAS in groundwater, York Analytical Labs is the first lab in the Greater New York region to conduct a Total Oxidizable Precursors (TOP) Assay method for PFAS Analysis. Unlike the more commonly requested PFAS analyses that has a defined list of 21 to 40 compounds, the TOP Assay analyses provides data on oxidizable PFAS: thousands of oxidizable PFAS compounds at one time.
All PFAS samples are analyzed locally in YORK’s Queens NYC laboratory. The Queens lab is solvent free facility (no Extractions lab) that in addition to PFAS and a strategic courier hub, houses YORK’s large TO-15 Air and Volatiles laboratories.
New PFAS guidance from NYSDEC on January 15, 2021 states the TOP Assay method is an option in cases where:
“Impacted materials can be made up of PFAS that are not analyzable by routine analytical methodology. A TOP Assay can be utilized to conceptualize the amount and type of oxidizable PFAS which could be liberated in the environment, which approximates the maximum concentration of perfluoroalkyl substances that could be generated if all polyfluoroalkyl substances were oxidized.”
“As New York City’s only analytical laboratory performing PFAS analyses on soil and water samples, we continue to invest in advanced methodologies, instrumentation and people to anticipate the environmental industry’s future testing needs,” says Michael J. Beckerich, President and CEO.
York is certified in EPA Method 537/537.1 for your routine PFAS analyses and other ancillary methods referenced in the NYSDEC guidance document like SPLP by Method 1312, Lloyd-Kahn Method for Total Organic Carbon, EPA Method 9045 for soil pH, and EPA Method 9081 for cation exchange capacity.
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