美国消费品安全委员会认为,将三种颜色的油漆混合在一起测试 可以认为是合理的,而混合油漆中铅含量超过限值的80%(即 72ppm)的样品必须重新测试。 想讨论的是这句描述. for example for a composite of 3 samples, that any sample possibly having greater than 80% of the limit for lead in paint in any of the composited paints should be retested3.