EPA Method 8260B Additionals #2 Back Catalog number: 95239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677770 Dimethipin, 100 µg/ml, Methanol, 1ml Price on request 93442 Citric acid [0.1% wt] Price on request PCB-SS-A Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane Price on request