Method 504.1MDL Mix Back Catalog number: 94020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 62016 Aroclor 1016 in Transformer Oil Price on request 70048 4-Bromofluorobenzene Price on request 91970 EPA Method 508.1 & 525.2 Pesticide Standard Price on request