There is a case where 8 people snorted two lines of pure LSD each thinking it was cocaine (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1129381/pdf/westjmed00307

There is a case where 8 people snorted two lines of pure LSD each thinking it was cocaine (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1129381/pdf/westjmed00307-0025.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1129381/pdf/west...). All survived with no lasting effects, although they were fortunate to receive emergency medical care within 15 minutes after administration. 5 were comatose and 3 were in respiratory arrest, but unlike the elephant none experienced convulsions.