Particulate matter concentration from filtered water bottle AT_II-119/4_21-2

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...“残液（Dregs）”系指对取样龙头下方的水体采用独立滤膜进行采样的操作。MP系指采用Millipore滤膜漏斗（Millipore filter funnel）对水体进行过滤，而非采用在线过滤方式，其原因为……