D14-Trifluralin, 100 µg/ml, Acetonitrile, 1ml

Tulathromycin B, approximately 5% (As a mixture with Tulathromycin A), 5mg

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

1-Nitrosopyrrolidine, 100mg