EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4042-015-10CY Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 % Price on request 10895.13-10MG 1-Hydroxyacrine,neat,neat,10mg Price on request S-4074-100-5T Surfactant Mixture 2 2 Analytes, each 100µg/mL in toluene; unit: 1x5mL 1224.24 Bis(2-ethylhexyl) phthalate BEHP [117-81-7] 1223.24 Di-n-octyl phthalate DNOP [117-84-0] Price on request