EPA Method 8141 Standard Back Catalog number: 92834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677355 Fluorene, 100 µg/ml, Cyclohexane, 1ml Price on request S-4373-K-IPX5 EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB Price on request 679161 2-Nitrobenzaldehyde semicarbazone, 25mg Price on request