EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HBBZ Hexabromobenzene, 1.2ml x 50ug/ml , toluene Price on request 12556.15-K-ME Gemfibrozil-d6, 1000µg/ml in MeOH, 1ml Price on request 54543 Calcium Hardness Price on request