EPA Method 507/525 Analyte Mix #1 Back Catalog number: 30082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 36141 Oxamyl Price on request 0150.16-500-IO 4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4 Price on request PFRS-003S Tetrakis(2-chloroethyl)dichloroisopentyldiphosphate, 100µg/ml in Toluene, 1ml Price on request