EPA Method 8141 / 1618 Pesticide Mix B Back Catalog number: 91398 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682111 delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml, Price on request 677106 D5-Aclonifen, 10mg Price on request 94842 Acids Calibration Level 5 Price on request