EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674658 D4-1,4-Dichlorobenzene, 2000 µg/ml, Methanol, 1m Price on request MA9062 1382 ppm TDS solution (230mL) Price on request 0847.29-100-IO (24R)-24-Methylcholest-4-ene and (24R)-24-Ethylcholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79897-60-2 / 71609-17-1 Price on request