Phthalic acid, bis-isopentyl ester, 25mg

Lenacil, 1000µg/ml in Acetone, 1ml

EPA Method 537 Surrogate Primary Dilution Standard, in MeOH, 1,2ml

1,2,7-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane