EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended YA19000017ME Phenol-Mix 17, 1000µg/mL in MeOH, 1ml Price on request PFRS-014S Tri(2-isopropylphenyl) phosphate, 100µg/ml in Toluene, 1ml Price on request 681399 Oxypurinol, 10mg Price on request