peter-boiter-woods
peter-boiter-woods
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Color can be measured in two general ways - apparent and true. Apparent is with the turbidity, true the turbidity is removed. True is the value that is used for regulatory purposes. So turbidity will increase apparent color, but not true color. …
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You have to take some of the material to a local lab for testing (vinyl/paper/glue). Testing is the ONLY way to know. Date and appearance can not give you an answer. At that age it is not likely, but you have to test.
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You have to take some of the material to a local lab for testing (vinyl/paper/glue). Testing is the ONLY way to know. Date and appearance can not give you an answer. At that age it is not likely, but you have to test.
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Color can be measured in two general ways - apparent and true. Apparent is with the turbidity, true the turbidity is removed. True is the value that is used for regulatory purposes. So turbidity will increase apparent color, but not true color. …