ScreeningWrite a Review925-906-9164Be the first to review!175 Lennon Ln, Walnut Creek, CA 94598Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?CategoriesDrug Testing, Analytical Labs Suggest an Edit