EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0703.13-500-IO 1,2,6-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3031-05-8 Price on request 15900-1420-100AN5 Atrazine-desisopropyl, 100µg/ml in AL, 5ml 1 295,00 Kč 675029 Sodium 4-n-octylbenzenesulfonate, 100 µg/ml, Meth Price on request