EPA Method 300.0 Anions QC Standard Back Catalog number: 52519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92734 Aroclor 1242 Price on request DF-26-S 2,6-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 682228 4-Hydroxybenzophenone, 100mg Price on request