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2. Lead contamination in Washington, D.C., drinking water

   en.wikipedia.org/wiki/Lead_contamination_in...

   Some water fountains were turned off due to lead levels. [1] In 2004, the D.C. Council held 11 oversight hearings on the issue; the US Congress held four. [1] American University claimed that its water was safe to drink, because the larger water mains feeding commercial sites like the college were not made of lead. [13]

3. Diving hazards - Wikipedia

   en.wikipedia.org/wiki/Diving_hazards

   An overfall is a turbulent volume of water downstream of a ridge or drop-off, [39] [40] or where two currents meet. [41] A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Both of these phenomena can entrain a diver and cause a rapid change of depth, disorientation or impact with the ...

4. Elevated lead found in Redford Township tap water; filter ...

   www.aol.com/elevated-lead-found-redford-township...

   During periodic testing of tap water in township homes for lead and copper, in accordance with the federal Safe Drinking Water Act, the township Water Department collected samples from 31 homes ...

5. List of common misconceptions about science, technology, and ...

   en.wikipedia.org/wiki/List_of_common...

   Human blood in veins is not actually blue. Blood is red due to the presence of hemoglobin; deoxygenated blood (in veins) has a deep red color, and oxygenated blood (in arteries) has a light cherry-red color. Veins below the skin can appear blue or green due to subsurface scattering of light through the skin, and aspects of human color ...

6. Legionella levels still 'slightly elevated' in Cheshire ... - AOL

   www.aol.com/legionella-levels-still-slightly...

   This treatment — conducted on Aug. 20 — was successful in two of the seven affected areas, but the other sections still had "slightly elevated" levels of legionella, Barone said Tuesday.

7. Relief valve - Wikipedia

   en.wikipedia.org/wiki/Relief_valve

   A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Fed’s preferred inflation gauge in November was lower than ...

   www.aol.com/fed-preferred-inflation-gauge...

   The Fed's preferred inflation measure for November, the PCE index, came in below Wall Street estimates. However, it remains above where policymakers want it to be suggesting prices are still ...