Heptachlor-exo-epoxide (Iso B) 10µg/mL in CY, 10ml Back Catalog number: L14101000CY Availability: In the manufacturer's stock Price on request - + Recommended 94782 EPA Method 1625 Semi-Volatile Standard Price on request 92220 PAH Mix A Price on request 38319 WP Organic Waste Water Kit Price on request