Lesson 2/Learning Event 1
Soil extraction bags. The soil extraction bag is a flat plastic bag with a wide opening at the top. A
pair of plastic tie straps extends from the sides at the top of the bag. The bottom of the bag tapers to
form a collapsible funnel which is equipped with a cotton filter. A paper clip fits over the bottom of
the bag to hold the paper spacer in position and to close off the bottom of the bag.
Soil collection bag. The soil collection bag is a flat plastic bag with a wide opening at the top and a
sealed bottom. A pair of plastic tie straps extends from the sides at the top of the bag.
Extraction fluid bottle. The extraction fluid bottle is a square, clear-glass bottle with a black plastic
screwcap. It contains five grams of anhydrous magnesium sulfate. The bottle has a frosted marking
surface. A strip of black plastic pressure-sensitive tape for resealing the bottle is attached to the side
of the bottle.
M8 Chemical Agent Detector Paper. A booklet of M8 detector paper contains 25 sheets. Each
sheet is perforated so that it can be torn out of the book for use. Instructions for using the detector
paper are printed on the back cover of the book. A color-comparison guide is printed on the inside
of the front cover. M8 detector paper is used to detect liquid nerve (V and G) and mustard (H)
agents on liquid or solid surfaces.