Pyrimethanil, 100µg/mL in Methanol, 1ml

Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

EPA 1638Mix A

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I