Difference between Mudjacking and Polyurethane Concrete Raising. Also called foam lifting, polyurethane for concrete raising has been in practice for about 20 years. However, the price of the equipment and polyurethane material made it way too expensive for private contractors to adopt and replace traditional mudjacking.
Farmed salmon available in Washington state markets is produced in Washington State, Canada, Maine, or Chile. Studies on salmon from these sources have shown low levels of organic contaminants in the fish.
Most feed for farmed fish contains grains like corn, soy, or wheat and GMOs are prevalent in the U.S. commodity grain market. However, a significant amount of Whole Foods Market's farmed seafood comes from Europe where GMOs are not as prevalent.