Pesticides Calibration LC-MS/MS Back Catalog number: 98680 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20006500IO PCB No. 65, 10 ng/µl, 10ml Price on request 681604 Dihydroxy quinoxaline, 100mg Price on request 20002 EPA Method 8240A - Purgeable Surr Std Price on request