Revised Spiking Standard #2 Back Catalog number: 59903 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3125.19-100-IO Benzyl-n-butyl phthalate-d4, 100µg/ml in IO, 1ml Price on request 10983.10-10MG 5-HIAA-d2,neat,neat,10mg, Price on request 30096 EPA Method 504.1 Analytes Price on request