True or False: Purge and trap is a common analytical method for water samples. True or False: Acid Digestion is a common sample preparation method for inorganics analysis. True or False: The purpose of a packed or capillary column when using gas chromatography to analyze semi and non-volatile organics is to separate mixed species of chemicals that may be present in the sample. True or False: Percentage Recovery is a QA/QC parameter for sample collection in the field..