EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9312.8-25MG (S)-(+)-Pregabalin-d4 (aminomethyl d2; hexanoic acid-2,2-d2) Price on request MBB-209 Decabromo[13C12]biphenyl, 50µg/ml in Nonane/50% toluene, 1,2ml Price on request 38147 WP Total Xylenes Price on request