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Science > Leaching
The following information is about Leaching.
Leaching Defined
The loss of plant nutrients from the soil as they dissolve in water that the soil cannot hold; process by which water carries dissolved or suspended materials as it percolates down to groundwater
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Off-site Leaching Links, User Submitted
The following links have been collected through user bookmark submission in the Leaching category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
Tue Aug 26
- BPA-Free Water Bottles: Many walkers are concerned over reports that damaged polycarbonate clear water bottles might leach bisphenol A (BPA) into the water. Many water bottles are made of other plastics and have always been BPA-free. Polycarbonate bottles generally are clear, not opaque. If your clear plastic water bottle has a 7 inside a triangle on the bottom, it might be polycarbonate, although it could still be BPA-free. Manufacturers of polycarbonate bottles swiftly responded by spring of 2008, producing BPA-free versions. If it's time for a new water bottle, you might want to consider these choices or others labeled BPA-free.
- Reusable water bottles you'll actually want to use. - By Laura Moser - Slate Magazine
Wed Aug 20
- Curbside recycling--A Closer Look at Plastics - "Plastics by Numbers": Ideal Bite states Plastics #1, 2, 4 & 5 are safe whereas #3 & 7 may not be. Plastic #3 PVC is said to contain hormone disrutptors: Plastic by numbers. Some plastics, like PVC (#3), polystyrene (#6)and polycarbonate (#7) contain hormone disruptors or other nasty chemicals. Stay healthy with plastics #1, 2, 4 or 5. As for microwaving food in plastic?just don't: it can leach into food.
Tue Aug 19
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Sun Jun 22
- Sigg Aluminum Water Bottle Liner Safety: OK, sounds pretty safe to me.
Sun May 18
Mon Mar 10
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