Environmental Protection Agency (EPA) Model Lead Based Paint Risk Assessor Practice Test

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Prepare for the EPA Model Lead-Based Paint Risk Assessor Test with our study resources. Equip yourself with multiple choice questions, detailed explanations, and test-taking strategies to pass with confidence!

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What is the appropriate method for collecting wipe samples from hard floor surfaces and carpeted surfaces?

Use the same wipe for both surfaces
Collect samples separately using different wipes
Wipe both surfaces with a single motion
Do not sample carpeted surfaces

The correct answer is: Collect samples separately using different wipes

Collecting samples separately using different wipes is the correct method for obtaining wipe samples from hard floor surfaces and carpeted surfaces. This approach is crucial because different materials may have varying degrees of adherence for lead dust or contamination. Using separate wipes helps prevent cross-contamination between the surfaces, ensuring that the wipe from the hard floor does not carry lead particles onto the carpeted surface and vice versa. This is especially important in risk assessments where accurate data is necessary to evaluate the potential for lead exposure effectively. Moreover, different surfaces can have different cleaning and sampling protocols due to their unique textures and properties; what works for one may not be suitable for the other. Therefore, utilizing distinct wipes for hard floors and carpets maintains the integrity of the samples collected.