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  1. Al Gerhart

    *DEBUNKED* Toxic Levels of Lead in Black Rubber Feed Bowl Water, 30 mg/L, 2000 Times EPA Limits

    There isn't any question that lead and lots of other heavy metals are used in auto tires and plastics and have been for a very long time. It ought not be a surprise the same heavy metals will be found in shredded tires. The studies I looked up in just a few minutes used xrf guns which are...
  2. Al Gerhart

    *DEBUNKED* Toxic Levels of Lead in Black Rubber Feed Bowl Water, 30 mg/L, 2000 Times EPA Limits

    Interior Graphic Standards, second edition, published in 2010, a college text used to train architects and interior designers, you will find my name in the chapter author credits. I literally wrote the book on countertops...
  3. Al Gerhart

    *DEBUNKED* Toxic Levels of Lead in Black Rubber Feed Bowl Water, 30 mg/L, 2000 Times EPA Limits

    Lead is used in a lot of PVC products as a stabilizer including garden hoses and those spiffy 4" PVC tube chicken feeders or the ports used in the bucket feeders. Without a stabilizer PVC, rubbers, and a lot of other polymers just decomposes quickly. There are relatively new PVC stabilizers...
  4. Al Gerhart

    *DEBUNKED* Toxic Levels of Lead in Black Rubber Feed Bowl Water, 30 mg/L, 2000 Times EPA Limits

    Maybe once, until you clean the top, then not so much. Any sealer thick enough to provide a barrier would mark up with the slightest use. Most, not all, granite tops are loaded with lead.
  5. Al Gerhart

    *DEBUNKED* Toxic Levels of Lead in Black Rubber Feed Bowl Water, 30 mg/L, 2000 Times EPA Limits

    Take a lead test strip and wipe down your granite countertops. You will probably be shocked.
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