EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9305.22-K-AN D-Propoxyphene Price on request 10559.39-K-T 2-Chloro-1,3-propanediol-disterarate Price on request S-4601-ASS-10IO Custom Mixture of phenol ethoxylates 2044.15 4-Nonylphenol (isomer mix) 100µg/mL 1833.17 4-Nonoylphenol monoethoxylate (isomer mix) 100µg/mL 1832.17 4-Nonoylphenol diethoxylate (isomer mix) 100µg/mL 1976.21 4-Nonoylphenol triethoxylate (isomer mix) Price on request