Paraoxon-methyl, 100 µg/ml, Toluene, 5ml

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]

Methyl 9-trans-tetradecenoate, 1000ug/mL in IO, 1m

p-Isopropyl toluene