Lesson 4/Learning Event 1
LEARNING EVENT 1:
SUPERVISE CONDUCT
OF A CHEMICAL SURVEY
NBC reconnaissance elements and unit survey parties conduct chemical survey operations as
required. Each unit is responsible for chemical reconnaissance of its own front, flanks, routes, and
alternate routes of approach. An immediate, quick reconnaissance to determine the best means of
passage is necessary whenever a contaminated area is encountered unexpectedly. Daytime
reconnaissance of contaminated areas is preferable, if possible, since night reconnaissance of these
areas is difficult The supervisor of a chemical reconnaissance must be completely familiar with
chemical survey and reconnaissance procedures.
Equipment Requirements for Chemical Survey Missions
A supervisor responsible for a chemical survey mission must check the protective clothing and
equipment of each team member for serviceability. Mission equipment must also be inspected to
insure it is available and operational prior to conducting the mission. The following items of
equipment are required to conduct chemical survey missions:
Individual chemical protective clothing and equipment
M256 Chemical Agent Detector Kit
M34 CB Agent Sampling Kit
Automatic Chemical Agent Alarm
M11 Decontaminating Apparatus
Chemical contamination markers
FM Radio Set
Maps
Transportation
Survey personnel trained in the operation and use of the chemical agent detector equipment perform
the survey. Areas suspected of being contaminated with chemical agent are checked as follows:
Chemical agent detector paper may be placed on the tip of a stick to determine if the terrain
is contaminated with liquid chemical agent.
The Automatic Chemical Agent Alarm, either mounted on a vehicle or carried on a personnel
backpack, is used to detect the presence of vapor from contaminated terrain.
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