Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70019R Aroclor 1248 Price on request 675529 Sulfanitran, 250mg Price on request S-4026-ASS-IO CPI (1) Control Standard 2 Isooctane solutions S-4025 (mg/mL) S-4026 (mg/mL) S-4027 (mg/mL) C22 1.0 1.0 1.0 C23 0.9 1.0 1.1 C24 0.8 Price on request