EPA Method 526 Analytes Back Catalog number: 93244 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91977 Degradation Calibration Mixture Price on request S-4724-100-NN Mix of deuterated PCBs (28,52,101), 100µg/ml in Nonane, 1ml Price on request C10011200 Acetaldehyde diethylacetal, certified, 1ml Price on request