EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 673510 Chlorpropham, 100 µg/ml, Ethyl acetate, 5ml Price on request 2918.8-100-IO Atrazine-d5 (ethyl-d5), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 163165-75-1 Price on request 58138 Strontium (Sr) Price on request