Chlorpyrifos, 100µg/mL in MeOH, 1ml

D5-Propachlor ESA sodium salt, 1mg

Daily Quality Control Standard (without Internal Standard) 13 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name: Wt. % Name Wt. % 1232.6 n-Hexane

Sodium Nitrate as (NO3)