Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml

Resmethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 10453-86-8

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane

Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml