EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72788 Diethylene glycol dimethyl ether Price on request 13400-3900-100ME5 1,3,5-Trimethylbenzene, 100µg/ml in MeOH, 5ml Price on request 672973 Sulfadiazine, 100mg Price on request