FIGURE 1.
Photograph of different passive samplers (from left to right): (1) 10 μm PDMS-coated SPME fiber, (2) 30 μm PDMS-coated SPME fiber, (3) 30 μm PDMS-coated SPME fiber with a 500 μm core, (4) 100 μm PDMS-coated SPME fiber, (4) 30 μm Polyacrylate-coated SPME fiber, (6) 25 μm thick PE, (6) 51 μm thick PE, (6) 77 μm thick POM, (6) 100 μm thick PDMS. All samplers are 4 cm in length.