EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CL-PFHXPA 6-Chloroperfluorohexylphosphonic acid, 1.2ml x 50ug/ml, methanol Price on request 96480 Phencyclidine Price on request 682197 4-Hydroxyphenyllactic acid, 100mg Price on request