EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2025.6-100-CY Pentachlorobenzene,100 µg/mL,cyclohexane,1mL, Price on request 681496 Pyrimethanil Metabolite M605F003, 10mg Price on request L18000062CY Pesticide-Mix 62, 10µg/ml in Cyclohexane, 10ml Price on request