Forensics of soil and mineral analysis, This kit has been designed to introduce students to the field of forensic soil analysis by providing them with a set of soil and glass samples that have been recovered from a crime scene to compare
Dipper, with 91cm (3ft) High-density polyethylene plastic handle, Replaceable Cups for Sampling, For convenient sampling from tanks, vats, streams, ponds, lakes, etc, these economy dippers are lightweight, easy to