CLP Tuning Standard Back Catalog number: 52156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93233 Method 4 Standard 1 Price on request DF-12348-S 1,2,3,4,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 673772 Cyanophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request