placed and tilted (60) on a horizontal shaker table (Gerhardt
Schüttelmaschine RO 20) and the speed of the shaker table
was set to 90 r min1, allowing the plastic pieces to move freely
in the water. Shaking was performed for 24 h at room temperature
(20 ± 2 C) in 16 h fluorescent light and 8 h darkness.
Samples were left to settle for 15 min after which the leachates
were strained through a very fine nylon (PA 6.6) fabric to remove
plastic pieces, and the water phase was tested for acute
toxicity