Surrogate Standard Back Catalog number: 90397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70319 1,2,3,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Price on request 35001 EPA Method 524.2 - Gases & Liquids Price on request 81806 EPA Method 504 Price on request