TitleSilicone wristbands as personal passive samplers.
Publication TypeJournal Article
Year of Publication2014
AuthorsO'Connell, SG, Kincl, L, Anderson, KA
JournalEnviron Sci Technol
Volume48
Issue6
Pagination3327-35
Date Published2014 Mar 18
ISSN1520-5851
KeywordsEnvironmental Monitoring, Environmental Pollutants, Humans, Occupational Exposure, Pesticides, Polycyclic Aromatic Hydrocarbons, Silicones
Abstract

Active-sampling approaches are commonly used for personal monitoring, but are limited by energy usage and data that may not represent an individual's exposure or bioavailable concentrations. Current passive techniques often involve extensive preparation, or are developed for only a small number of targeted compounds. In this work, we present a novel application for measuring bioavailable exposure with silicone wristbands as personal passive samplers. Laboratory methodology affecting precleaning, infusion, and extraction were developed from commercially available silicone, and chromatographic background interference was reduced after solvent cleanup with good extraction efficiency (>96%). After finalizing laboratory methods, 49 compounds were sequestered during an ambient deployment which encompassed a diverse set of compounds including polycyclic aromatic hydrocarbons (PAHs), consumer products, personal care products, pesticides, phthalates, and other industrial compounds ranging in log K(ow) from -0.07 (caffeine) to 9.49 (tris(2-ethylhexyl) phosphate). In two hot asphalt occupational settings, silicone personal samplers sequestered 25 PAHs during 8- and 40-h exposures, as well as 2 oxygenated-PAHs (benzofluorenone and fluorenone) suggesting temporal sensitivity over a single work day or week (p < 0.05, power =0.85). Additionally, the amount of PAH sequestered differed between worksites (p < 0.05, power = 0.99), suggesting spatial sensitivity using this novel application.

DOI10.1021/es405022f
Alternate JournalEnviron. Sci. Technol.
PubMed ID24548134
PubMed Central IDPMC3962070
Grant ListR21 ES020120 / ES / NIEHS NIH HHS / United States
P42ES016465 / ES / NIEHS NIH HHS / United States
T32ES007060-32 / ES / NIEHS NIH HHS / United States
P42 ES016465 / ES / NIEHS NIH HHS / United States
T32 ES007060 / ES / NIEHS NIH HHS / United States
P30 ES000210 / ES / NIEHS NIH HHS / United States