Metolachlor D6 (propyl D6), 100 ng/µl, 1.1ml

Dibenz[a,h]anthracene-d14, 100µg/mL in Toluene, 1ml

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

Ethyl acetate, 1000µg/ml in MeOH, 1ml