Particulate matter concentration from filtered water bottle AT_II-119/4_11-9

Dregs means the water below the spigot was sampled on a separate filter. MP means a Millipore filter funnel was used to filter the water rather than in-line filtration because...沉渣（Dregs）指采用独立滤膜对水龙头出水口下方的水样进行采样过滤的样本类型。MP指使用密理博（Millipore）滤膜漏斗对水样进行过滤，而非采用在线过滤方式，其原因如下……