Pesticides Calibration LC-MS/MS Back Catalog number: 98680 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NIST-1947 Lake Michigan fish tissue -Org. contaminants, 5x8g Price on request 3436.11-100-AN Mecoprop methyl ester Price on request 12081.13-100-NN Naphthalene-1,2,3,4,9,10-13C6,100 µg/mL,n-nonane,1mL, Price on request