![Print The York Analytical Laboratories Inc logo](https://yorklab.com/wp-content/uploads/2019/06/YORK-small.jpg)
![water bottle black label 3 GOT PFAS? graphic](https://yorklab.com/wp-content/uploads/2019/10/water-bottle-black-label-3-e1571410641398.jpg)
NOT ALL PFAS LABS ARE CREATED EQUAL
![Queens Sign View of the York Analytical Laboratories Richmond Hills NY sign at night](https://yorklab.com/wp-content/uploads/2019/10/Queens-Sign-e1571409853149.jpeg)
New 20 Foot Billboard alongside LIRR Jamaica Ave train stop en route to NYC
As New York State announces that isotope dilution must be utilized for the analysis of PFAS in all media, YORK is proud to alert you that this is the only method we have been using since the opening of the Emerging Contaminants Laboratory in Queens, NY earlier in 2019.
![LabGuidance_External_Sept2019 A guidance from New York State announcing that isotope dilution must be utilized for PFAS analysis](https://yorklab.com/wp-content/uploads/2019/10/Lab20Guidance_External_Sept202019.jpg)
![LabGuidance_External_Sept2019_2 A guidance from New York State announcing that isotope dilution must be utilized for PFAS analysis](https://yorklab.com/wp-content/uploads/2019/10/Lab20Guidance_External_Sept202019_2.jpg)