EPA Method 502/524 Surrogate Standard #1

2-Amino-4,5-dimethoxybenzoic acid, 98%, 10g

Monobenzyl Phthalate, 100mg

Isobenzan, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 297-78-9