Formaldehyde-DNPH Level 7 (20ug/mL)

2,2',3,3',4,5-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2-(2-Chlorophenoxy)propionic acid, 100mg

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17