EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93586 Semi-Volatile Standard Price on request 679278 Dibenz[a,h]anthracene, 10mg Price on request 9063.8-K-IP Tetrachloroveratrole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 944-61-6 Price on request