EPA Method 525.2 Pesticide Level 1

1,8-Bis(hydroxymethyl)anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 34824-20-9

Naphthalene-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1146-65-2

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol