Real ChatGPT answer · index seed9obruyQcvnccompleteHome services and improvement · plumbinginformational
Does a whole house water filter remove harmful PFAS chemicals, and what certification should I look for on the replacement filters?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Does a whole house water filter remove harmful PFAS chemicals, and what certification should I look for on the replacement filters?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 2 queries…
Searches and sources
ChatGPT2 real searches · gpt-6
NSF ANSI 53 PFAS PFOA PFOS certification replacement filter whole house official NSF EPA Google ↗
EPA PFAS home water treatment filters NSF ANSI 53 58 certification official Google ↗
- Reducing PFAS in Your Drinking Water with a Home Filter · epa.gov
- Water Filters FAQs · nsf.org
- Home Water Treatment for PFAS · extension.psu.edu
- NSF certified water filter directory · info.nsf.org
- Water Quality Association certified products · find.wqa.org
- PFAS in Private Wells · epa.gov
- PFAS and Home Treatment of Water · health.state.mn.us
- PFAS in Private Well Drinking Water Supplies FAQ · mass.gov
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
NSF ANSI 53 PFAS PFOA PFOS certification replacement filter whole house official NSF EPA OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
EPA PFAS home water treatment filters NSF ANSI 53 58 certification official OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |