EPA Method 300.0 Anions QC Standard Back Catalog number: 52519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9128 4,4’-Methoxychlor Price on request 0174.18-500-IO 4-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74104-10-2 Price on request X9077 2,6-Dichlorophenol Price on request