EPA Method 300.0 Anions Method B Back Catalog number: 52119 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 71251 Methyl sulfide, 1000µg/ml in MeOH, 1ml Price on request 79128 p-Cresol Price on request 0148.14-500-IO 4-Ethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89816-99-9 Price on request