EPA Method 525.2 Pesticide Level 2

2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

(2R)-?-Tocopherol-d6 (5,7-di(methyl-d3)),1000 µg/mL,MeOH,1mL

3 Deuterated Compounds Internal Standard Mix 3 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 39.7 Naphthalene-d8 20.9 Ethylbenzene-d 10 39.3