The positive controls for the 3M Clean-Trace ATP Luminometer (#351-3063) or the 3M Clean-Trace LMI Luminometer Hygiene Monitoring and Management System (#351-3400). Can be used quickly and easily to… [Read more] provide a periodic verification of equipment performance. These controls can also be used for the verification of the 3M Surface Protein Allergen Swabs (#351-3062) and the 3M Surface Protein Plus Swabs (#351-3041). 10 test vials per case.