General Information One-Step Streptomycin Rapid Test is a competitive immunoassay for the semi-quantitative detection of the presence of Streptomycin residue in milk,honey and aquatic product . Detection limit:Milk 100ppb , Honey 10ppb , Aquatic product 100ppb Specimen: Defatted Milk, Honey,Aquatic products Reading Time : 5-10 min