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WELL AP WELL-AP Exam - Topic 6 Question 40 Discussion

Actual exam question for WELL AP's WELL-AP exam

Question #: 40
Topic #: 6

[All WELL-AP Questions]

Which of the following performance testing results is compliant with the requirements of the WELL Building Standard's Water concept?

ACopper is equal to 5 mg/L

BLead is equal to 0 05 mg/L

CChromium is equal to 0.08 mg/L

DCadmium is equal to 0.01 mg/L

Show Suggested Answer

Suggested Answer: D

The WELL Building Standard's Water concept sets strict limits for contaminants, including heavy metals like cadmium, in drinking water to protect human health. A performance testing result showing cadmium levels at or below 0.01 mg/L is considered safe and compliant with drinking water quality standards, reflecting the Standard's commitment to providing clean and safe water for consumption.

by Kiera at Jan 05, 2026, 05:16 AM

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Dalene

2 months ago

D looks safe. Cadmium is very low.

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Ressie

2 months ago

C is too high for Chromium. Not a good option.

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Leigha

2 months ago

I disagree, B is more compliant. Lead should be lower.

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Jillian

3 months ago

I think A is the best choice. Copper levels seem acceptable.

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Arminda

3 months ago

C) Chromium levels are concerning, not compliant!

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Audra

3 months ago

Wait, is 0.05 mg/L for lead really acceptable?

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Albert

3 months ago

D) Cadmium is super low, that's good!

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Tasia

3 months ago

B) Lead should be way lower than that!

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Lashawnda

3 months ago

A) Copper is too high for WELL standards.

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Elden

4 months ago

Haha, I bet the WELL Building folks would give a big thumbs down to any of those other options. Gotta keep it clean with that Cadmium, baby!

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Zena

4 months ago

D is the way to go, folks. Keeping those water contaminants low is key for a WELL-certified building.

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Dalene

4 months ago

Hmm, I'll go with D. Wouldn't want to be drinking water with too much copper, lead, or chromium. Cadmium's the way to go!

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Carylon

5 months ago

Option D is the winner! Gotta keep those heavy metals in check for a healthy building, am I right?

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Katlyn

5 months ago

D definitely looks like the right choice here. The other options are way too high for the water quality standards.

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Nada

5 months ago

I think the correct answer is D. Cadmium is equal to 0.01 mg/L, which seems to be the only one that meets the WELL Building Standard's requirements.

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Latia

5 months ago

I believe copper is usually acceptable at higher levels, but I can't remember if 5 mg/L is compliant or not.

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Shawnna

5 months ago

I’m a bit confused about chromium and cadmium; I can't recall which one has a stricter limit according to the WELL standards.

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Portia

5 months ago

I feel like we practiced a question similar to this in class, and I think lead was one of the metals that had a very low threshold.

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Adelaide

6 months ago

I think I remember that the WELL Building Standard has specific limits for heavy metals in water, but I'm not sure about the exact values.

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Gail

6 months ago

Ah, this is right up my alley. I've worked with the WELL standard before, so I'm confident I can identify the compliant result here.

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Flo

6 months ago

This looks straightforward. I just need to match the metal concentrations to the WELL standard's limits. Shouldn't be too hard if I can remember the right values.

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Kaycee

6 months ago

I'm a bit confused on this one. I know the WELL standard covers water quality, but I'm not sure of the exact thresholds for each metal. Guess I'll have to do some research.

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Theresia

6 months ago

Okay, I think I know the answer here. The WELL Building Standard has specific limits for heavy metals in water, so I'll need to compare the values given to those limits.

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Floyd

7 months ago

Hmm, this seems like a tricky one. I'll need to carefully review the WELL Building Standard's requirements for water quality.

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Isabella

5 days ago

D is the best choice. Cadmium must be very low!

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Gilma

10 days ago

B seems right. Lead should be minimal.

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Remona

15 days ago

I think it's A. Copper levels should be low.

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