Indigotine, certified, 0.25g

EPA Method 8040A - Analytes Mix “B”, 2000µg/mL in 2-propanol, 1ml

Ethyl heptanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-30-9

S-4394 B[a]P/HCB Recovery Standard (solvent - Nonane) Product Concentration 2,3,3',5,5'-PeCB 100 µg/mL