EPA Method 500 Series Internal Standard #5 Back Catalog number: 30004 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1593.16-100-IO 4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1 Price on request 679913 Picoxystrobin M3, 50mg Price on request KBIO-BAMF-1MU ß-Glucuronidase-arylsulfatase from H. rufescens ,1.0 mu / >0.2 mu,powder,1mu Price on request