EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2514.7-100MG 4-Hydroxybenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 99-96-7 Price on request 53331 EPA Method 6020 / 6020A - Mix B Price on request S-4110-100-CY n-Alkanes C10-C40 (all +pristane/phytane) 33 Analytes, each 100µg/mL in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the n-paraffins C10-C40 + pristane and phytane. Price on request