EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10630.12-50-T 2,3,7,8-Tetrabromodibenzofuran Price on request 1450.15-100MG 4-n-Nonylphenol,neat,neat,100mg, Price on request 59145 Sulfide (S), 1000µg/mL in Water, 20ml Price on request