EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678404 Etoxazole, 100 µg/ml, Acetonitrile, 5ml Price on request 9122.10-100-IO Linalool, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-70-6 Price on request H952400-5MG cis-Hydroxy Praziquantel, 5mg Price on request