EPA Method 524 & 624 - Internal Standard

D4-1,4-Dichlorobenzene, 2000 µg/ml, Methanol, 1m

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

Thiacloprid-d4, 100µg/ml in Acetonitrile, 1ml