GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681372 Isoprothiolane, 100mg Price on request 52155 CLP Calibration Standard Price on request 80402 EPA Method 8040A - Analytes Mix “B”, 2000µg/mL in 2-propanol, 1ml Price on request