{"version":"1.0","provider_name":"National Drug Screening","provider_url":"https:\/\/www.nationaldrugscreening.com","author_name":"MWSAdmin","author_url":"https:\/\/www.nationaldrugscreening.com\/blogs\/author\/mwsadmin\/","title":"Can you please explain wh - National Drug Screening","type":"rich","width":600,"height":338,"html":"
Can you please explain why confirmation cutoff levels are lower than screening levels?<\/a><\/blockquote>