Dibenzo(a,h)anthracene, 10µg/ml in Acetonitrile, 10ml Back Catalog number: L20700000AL Availability: In the manufacturer's stock Price on request - + Recommended 19094 EPA Method 601 Internal Standard Price on request 11765.12-100-IO 2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 12075.21-250MG Difloxacin hydrochloride,neat,neat,250mg, Price on request