... conditions, see Table 1. a APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 624—PURGEABLES1. Scope and Application1.1 This method covers ... Bellar, T .A. and Lichtenberg, J.J. “Semi-Automated Headspace Analysis of DrinkingWaters and Industrial Waters for Purgeable Volatile Organic Compounds,”Measurement of Organic Pollutants in Water ... Wheneverpossible, the laboratory should analyze standard reference materials and participate inrelevant performance evaluation studies.9. Sample Collection, Preservation, and Handling9.1 All samples must...