EPA Method 525 - Tuning Standard Back Catalog number: 30033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70798 Phosmet, 1000µg/ml in MeOH, 1ml Price on request 9074.9-K-IP 2-Chlorosyringealdehyde, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 76341-69-0 Price on request 93993 Benzo(a)anthracene Price on request