Tri(2-isopropylphenyl) phosphate, 100µg/ml in Toluene, 1ml

EPA Method 525 Internals & Surrogates

2-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78210-31-8

a-BHC, 1000µg/ml in Hexane, 1ml