LSD has an effective dose of 20 - 30 micrograms.  Assuming an average 25 mcg dose, 15 lbs of LSD is approximately 272,000 doses.,(reply>), @Azeria <br>Unless they mean £sd, but that doesn’t make much sense in 1989.,(reply>), Big Phat Walrus £15 of lsd is basically no lsd,(reply>), 15lbs ~= 6,810g = 6,810,000mg = 272 <i>million</i> 25mcg doses,(reply>), To be fair, 15 lbs of acid blotter is much more reasonable.,(reply>), Spacewarp Photography I'm a toxicology major, and this comment made me very happy :)