Methoprene, 100mg

2,3,5-Trimethacarb, 100 µg/ml, Acetonitrile, 5ml

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB

Custom mix of C10-C16 alkyl PAHs, 25 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade): Prepared gravimetrically by weighing components and solvent to a calculated 0,2mg/mL. This product has been diluted gravimet