Which of the following factors is NOT typically associated with PEC assessments?

The correct factor that is not typically associated with Probable Effect Concentration Quotients (PECQS) assessments is the color of the chemical compounds. In the context of PECQS, assessments focus on evaluating the potential ecological risk posed by chemicals based on their concentrations in the environment and their effects on various organisms.

Factors such as the source of chemical production, the intended consumers of the chemicals, and the proximity of wildlife to chemical use are all significant considerations in understanding how chemicals can impact ecosystems. These aspects help determine how and where chemicals may be introduced into the environment, the potential pathways for exposure, and the vulnerable species that may be affected.

In contrast, the color of chemical compounds does not provide relevant information for assessing ecological risks or the effects of chemicals on organisms. Color does not influence the toxicity or behavior of chemicals in the environment, making it an irrelevant characteristic in the context of PEC assessments.