2,4-Dichlorotoluene, 250mg

Dimethyl adipate

1,4-Naphthoquinone

Recovery ISTD - PAH 3 Analytes each 100µg/mL in xylene; unit: 1x1mL 1534.20 d12-Perylene [1520-96-3] 1524.12 d10-Acenaphthene [15067-26-2] 1530.13 d10-Fluorene [81103-79-9]