EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended 2723.16-100-IO 1,3,4-d3-2-Isopropylthioxanthone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 681584 2,3-Dichloropropionic acid, 100mg Price on request 0202.22-200-T Dibenz[a,c]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-58-7 Price on request