EPA Method 548.1 Internal Standard Back Catalog number: 30078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA14760200AC MCPA-D6, 100 µg/mL in Acetone, 1ml Price on request A637560 Androst-16-en-3-ol, 5mg Price on request 50167 ICP Mix #1 Price on request