EPA Method 508.1 & 525.2 Pesticide Standard Back Catalog number: 91970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1487.20-50-ME Phenanthryl-9-O-glucuronide, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 177194-36-4 Price on request 53015 Calibration Standard Mix 7 Price on request 8569.16-10MG Ampicillin trihydrate, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 7177-48-2 Price on request