EPA Method 300.0 Anions Mix A, 1000 µg/mL in Water, 1ml

6-Methylthiochroman-4-one, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6948-34-1

n-Octane, 5ml

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene