SGP/ACSM/C1 - Sampling pump failure

The filter switching valve and sampling pump failed.  Data were collected, but no external 
air was being drawn into the system so there is no aerosol signal.

Do not use data

• Mass concentration of ammonium, ambient aerosol in air(ammonium)
• Mass concentration of total organics, ambient aerosol in air(total_organics)
• Mass to charge ratios of ion fragments(amus)
• Mass concentration of sulfate, ambient aerosol in air.(sulfate)
• Mass concentration of nitrate, ambient aerosol in air(nitrate)
• Mass concentration of chloride, ambient aerosol in air.(chloride)
• Organic mass spectral matrix(org_mx)
• Organic mass spectral error matrix(org_mx_err)

• Mass concentration of total organics, ambient aerosol in air(total_organics)
• Mass concentration of chloride, ambient aerosol in air.(chloride)
• Mass concentration of sulfate, ambient aerosol in air.(sulfate)
• Mass concentration of ammonium, ambient aerosol in air(ammonium)
• Mass concentration of nitrate, ambient aerosol in air(nitrate)

• Organic mass spectral matrix(org_mx)
• Mass concentration of ammonium, ambient aerosol in air(ammonium)
• Mass concentration of sulfate, ambient aerosol in air.(sulfate)
• Mass concentration of nitrate, ambient aerosol in air(nitrate)
• Mass concentration of total organics, ambient aerosol in air(total_organics)
• Mass to charge ratios of ion fragments(amus)
• Mass concentration of chloride, ambient aerosol in air.(chloride)
• Organic mass spectral error matrix(org_mx_err)