EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72788 Diethylene glycol dimethyl ether Price on request PBBA Pentabromobenzyl acrylate, 1.2ml x 50ug/ml, toluene Price on request 10218.11-100-ME n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0 Price on request