Recommended method of WHO - Uses a measured amount of stool which has been sieved through a wire mesh - Uniform amount of stool is examined through the use of a template with a uniform-sized hole in the middle. - Allow the cellophane coverslips to soak in the glycerin mixture for about 24 hours - Allow the preparation to stand for 1 hour at RT to allow clearing of fecal material - Do not overclear; thin shelled hookworm eggs may disappear - Clearing time extended to 24 hours for S. mansoni eggs