EPA Method 8330 Analyte Back Catalog number: 79241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72487 Methyl sorbate Price on request 51179 GRO Standard - TN & MS Price on request 9192.10-100-ME (+/-)-Cotinine-d3 (N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110952-70-0 Price on request