VariablesVariables (legacy): AMS Time (EDT) Label: AMS Time (EDT) Definition: time of observation Type: Date/time Date format: MM/DD/YYYY H:M Missing values: None specified , AMS NH4 (ug/m3) Label: AMS NH4 (ug/m3) Definition: micro grams per cubic meter of NH4 measured Type: Physical quantity Unit: ug/m3 Maximum: Not specified Minimum: Not specified Precision: Not specified Missing values: None specified , AMS SO4 (ug/m3) Label: AMS SO4 (ug/m3) Definition: micrograms per cubic meter of SO4 measured Type: Physical quantity Unit: ug/m3 Maximum: Not specified Minimum: Not specified Precision: Not specified Missing values: None specified , AMS NO3 (ug/m3) Label: AMS NO3 (ug/m3) Definition: micrograms per cubic meter of NO3 measured Type: Physical quantity Unit: ug/m3 Maximum: Not specified Minimum: Not specified Precision: Not specified Missing values: None specified , AMS Chl (ug/m3) Label: AMS Chl (ug/m3) Definition: micrograms per cubic meter of Chl measured Type: Physical quantity Unit: ug/m3 Maximum: Not specified Minimum: Not specified Precision: Not specified Missing values: None specified , AMS Org (ug/m3) Label: AMS Org (ug/m3) Definition: micrograms per cubic meter of Org measured Type: Physical quantity Unit: ug/m3 Maximum: Not specified Minimum: Not specified Precision: Not specified Missing values: None specified , AMS O/C Ratio Label: AMS O/C Ratio Definition: O/C Ratio Type: Nominal Missing values: None specified