True or False: All laboratories use the same method to collect and test exposure samples.

The statement is false because laboratories can employ various methods to collect and test exposure samples, and these methods may depend on several factors such as the specific substance being tested, the regulatory requirements, the technology available, and the laboratory’s own protocols. Different laboratories might focus on particular aspects of exposure monitoring, resulting in variations in sampling techniques, analytical processes, and even calibration methods.

Additionally, the environment in which samples are collected can also influence the chosen methodology, as different settings may impose distinct challenges or requirements for accurate testing. This variation ensures that laboratories can tailor their methods to better suit specific applications and adhere to regulatory standards that might differ by region, industry, or even the chemical being examined. Hence, the recognition of these differences underscores the complexity and specificity of analytical chemistry and exposure assessment in laboratories.