4-component Low-Level Trihalomethanes Mixture at 200 µg/mL. For EPA Method 501. 1 mL. Contains: Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane in Methanol Purge and Trap. 12 months expiry date. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited. Designed for EPA Method 501.
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