EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9072.6-K-IP 3,4-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3978-67-4 Price on request 72710 1,2,3,4-Tetachloronaphthalene Price on request 95554 Semi-Volatile Mix #1 Price on request