Where should sampler connectors for portable samplers be located?

The correct answer indicates that sampler connectors for portable samplers should be located near the sample point. This positioning is essential for several reasons.

First, having the connectors close to the sample point minimizes the potential for sample contamination and ensures that the samples collected are representative of the water being tested. If the connectors were situated too far away, it could introduce factors like dilution or environmental contamination, which could skew results and lead to inaccurate data.

Additionally, proximity to the sample point facilitates easier and more efficient sampling. When samplers are easy to reach, it streamlines the process for operators, allowing for prompt sampling when needed, which is particularly important in situations requiring immediate analysis or response.

In contrast, placing sampler connectors at a remote location or at the end of an outfall could create significant challenges, including accessibility issues and increased risk of contamination, making it harder for operators to collect reliable and timely samples. This is why positioning the connectors near the sample point is the most effective and practical choice for ensuring quality and integrity in water sampling.