EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96064 Chloral hydrate Level 1 Price on request 12093.7-K-IO Benzotrichloride,1000 µg/mL,isooctane,1mL, Price on request 91003 EPA Method 8270C Pesticide Mix #20 Price on request