EPA Method 8032 Internal Standard Back Catalog number: 80303 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8979.47-100-ME 3-Chloro-1,2-propandiol-dibehenate-d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request I917572-50MG Isovaleric Acid-d9, 50mg Price on request 58066 Dysprosium (Dy) Price on request