EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 92984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98430 EPA 8240B Calibration Standard Price on request 72846 Dimethenamid OA, 1000µg/ml in MeOH, 1ml Price on request S-4053-10K-TX5 Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request