EPA Method 8240A Calibration Check Compounds

Tris(p-tert-butylphenyl) phosphate, 100 µg/ml, Me

Butachlor, 100µg/ml in Acetonitrile, 1ml

7,8,9,10-Tetrahydrobenzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39097-15-9