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Approximated modelled results for numerous independent studies reporting PUF-PAS sampling rates for a range a different chemicals in a range of different environmental conditions. 2, 6, 9, 14, 15, 17, 21-23, 28, 30, 33, 34, 48-54 The * denotes studies that conducted active sampler comparison (no * indicates DCs were used). The ^ denotes studies with a different sampler design than the default design (24 cm top bowl, 20 cm bottom bowl).
