@misc{1303596, author = {Ashley Russell and Ben Blount and Julianne Botelho and Christina Brosius and Carolyn Burdette and Antonia Calafat and Johanna Camara and Jun Feng and Nathanael Heckert and Jennifer Hoguet and Kevin Huncik and Maria Morel Espinosa and Maria Ospina and Jared Ragland and Christopher Reese and Michael Rybak and Tiffany Seyler and Liza Valentin-Blasini and Lanqing Wang and Elena Wood and Baoyun Xia}, title = {Certification of Standard Reference Material®s 3672a & 3673a: Organic Contaminants in Smokers' Urine (Frozen) & Organic Contaminants in Non-Smokers' Urine (Frozen)}, year = {2026}, month = {2026-02-25 05:02:00}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=961285}, doi = {https://doi.org/10.6028/NIST.SP.260-256r1}, language = {en}, }