EPA Method 525.2Mix #2 Back Catalog number: 92208 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682860 Diethylene glycol monomethyl ether, 250mg Price on request 679822 Sulfisoxazole, 100 µg/ml, Methanol, 1ml Price on request 59366 UV 254 Absorbance Price on request