EPA Method 8330 Analyte Back Catalog number: 79250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11994.3-10MG Azetidine ,neat,neat,10mg, Price on request 31057 EPA Method 552.1 - Surrogate Standard Price on request 11692.12-100-IO 2,3,3',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request