What technique is used to determine the general dimensions of a contaminated area?

The technique used to determine the general dimensions of a contaminated area is the Box technique. This method involves establishing a square or rectangular perimeter around a suspected contaminated zone and allows for the measurement of its boundaries without the need for extensive entry into the area itself. By focusing on the corners of the box and running detection equipment along the edges, this technique helps in accurately delineating the size and shape of the contaminated area.

The Box technique is particularly useful as it maximizes safety while simultaneously providing a clear and straightforward way to assess the extent of contamination. It allows for effective communication of findings to command and support any subsequent response operations.

In contrast, the Cloverleaf, Lane, and Star techniques serve different purposes within reconnaissance operations, such as sampling or detailed investigation, rather than specifically outlining the dimensions of a contaminated space. Each of these methods is valuable in its context, but for the purpose of assessing the general boundaries of contamination, the Box technique stands out as the most suitable approach.