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Active sampling


Active sampling is key to US EPA Method TO‑17, which involves pumping the sample atmosphere onto the sorbent tubes, which are then capped and transported to the laboratory, for analysis by thermal desorption. It is also the recommended sampling approach in other standard methods, including ISO 16017-1, ASTM 6196, Chinese EPA HJ 644 & HJ 734, EN 14662-1, CEN/TS 13649, NIOSH 2549, UK Environment Agency LFTGN 04, and UK HSL MDHS 72.


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