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

Custom Mix of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 100/20µg/ml in Acetone, 5x1ml

Metazachlor-d6, 100µg/ml in MeOH, 1ml

alpha,alpha'-Dihydroxy-1,3-diisopropylbenzene