Boot Camp! Are You Using Your Instant Drug Test Correctly by Eric Malis | Feb 24, 2021 | NTS-U, Web Series | 2 comments Going back to the basics with performing and reading your instant urine drug tests. Covering both cups & dips, we will provide the basics along with some tips and tricks to make your drug testing duties run a little bit smoother. 2 Comments Malinda Eubanks on March 4, 2021 at 9:01 am Helpful and thank you. Would like to have a certificate for viewing, thank you. Monique R Alvirez on October 14, 2021 at 5:45 pm Informative and very helpful. Would like a certificate for viewing. This also answers my questions to why the EtG line is always faint. thank you.