EPA Method 525.2 Standard Back Catalog number: 92693 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-2529-100ME5 Guanylurea-HCl, 100µg/ml in MeOH, 5ml Price on request 66110 2,3,3',4',6-Pentachlorobiphenyl (110) Price on request 680264 D3-Glufosinate-N-acetyl, 100 µg/ml, Water, 1ml Price on request