Tiêu chuẩn quốc tế
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                                        Số hiệu 
                                         
                                    Standard Number 
                                        ASTM D6759-16
                                        
                                     
                                                                                                    
                                        Năm ban hành 2016                                         
                                
                                                                    Publication date 
                                        Tình trạng
                                        A - Còn hiệu lực                                         
                                    
                                                               
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                                    Tên tiếng Anh 
                                     
                                Title in English Standard Practice for  Sampling Liquids Using Grab and Discrete Depth Samplers 
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                                    Chỉ số phân loại Quốc tế (ICS)
                                     
                                
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                                    Page 9 
                                                                
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                                    Phạm vi áp dụng
                                     
                                Scope of standard 1.1 This practice describes sampling devices and procedures for collecting samples of liquids or sludges, or both, whose upper surface can be accessed by the suitable device. These devices may be used to sample tanks that have an appropriately sized and located sampling port.  1.2 This practice describes and discusses the advantages and limitations of the following commonly used equipment, some of which can be used for both grab and discrete depth sampling: dipper, liquid grab sampler, swing jar sampler, Bacon Bomb, Kemmerer sampler, Discrete Level sampler, liquid profiler, peristaltic pump, and the Syringe sampler.  1.3 This practice provides instructions on the use of these samplers.  1.4 This practice does not address sampling devices for collecting ground water.  1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 
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