EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDD-1378 1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 90814 Hydrocarbon Standard C6-C28, 2000µg/ml, MeChl, 1ml Price on request 50256 Sodium Nitrate as (NO3) Price on request