Endosulfan-sulfate, 100 µg/ml, Acetonitrile, 5ml

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

EPA 528 rev. 1.0 Sample Fortification Solution 3 200µg/mL in methanol; unit: 1x5mL 2060.6 2,4,6-Tribromophenol [118-79-6]

Lanosterol