NCC Standard Solution - 11 components (EPA 619)_x000D_ 100ug/ml each of Ametryn [CAS:834-12-8] ; Atraton [CAS:1610-17-9] ; Atrazine [CAS:1912-24-9] ; Prometon [CAS:1610-18-0] ; Prometryn [CAS:7287-19-6] ; Propazine [CAS:139-40-2] ; Secbumeton [CAS:26259-45-0] ; Simetryn [CAS:1014-70-6] ; Simazine [CAS:122-34-9] ; Terbuthylazine [CAS:5915-41-3] ; Terbutryn [CAS:886-50-0] in Acetone