Metadata Tables

Explanation of Metadata descriptions for online data files.

• Blank Correction

  Whether or not the data are corrected for Blanks (.xls, 15KB).

• Inlet Type

  The sampler or instrument inlet (.xls, 14KB).

• Field Sampling or Measurement Principle

  The instrumentation or method used for the measurement (.xls, 18KB).

• NAtChem Flags

  NAtChem/PM validity flags attached to the data (.xls, 14KB).

• Network Information

  Tabulated information about each network (.xls, 21KB).

• Coating or Absorbing Solution/Media

  The material the sampling system uses to collect the species of interest (.xls, 16KB).

• Sample Humidity or Temperature Control

  The method used to control particle-bound water, and/or the temperature of the sampler (.xls, 15KB).

• Particle Diameter

  The representative size range of the networks PM data (.xls, 14KB).

• Laboratory Analytical Method

  The laboratory sample analysis methods used by the networks (.xls, 16KB).

• Medium

  The sampling media and/or principles used by the networks (.xls, 15KB).

• Sample Preparation

  The pre-treatment used prior to laboratory analysis (.xls, 15KB).

• Volume Standardization

  Temperature and pressure conditions for the networks' data (.xls, 14KB).