EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91899 EPA Method 507/8085 Pesticide Mix #1 Price on request D434670 1-(2,6-Dichloro-4-hydroxphenyl)-1,3-dihydroindol-2-one, 2mg Price on request 70402 Methapyrilene HCl Price on request