EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12076.14-100MG Marbofloxacin,neat,neat,100mg, Price on request 3452.9-100-CY Metobromuron Price on request 674478 2,3,4-Trichloroanisole, 100mg Price on request