Patent ID: 6793819
Filing Date: 2004-09-21
Classification: C02F,G01N,Y02A

Abstract:
An airtight sampling apparatus for sampling a waste solution including volatile organic compounds (VOC's) from a main waste solution conduit having a first pressure P1, the airtight sampling apparatus comprising:(a) a waste solution sampling conduit having a first end and a second end; (b) an input check valve connecting said first end of said waste solution sampling conduit to the main waste solution conduit; (c) an actuatable waste solution containing and discharge cylinder assembly having a first end and a second end connected to said second end of said waste solution sampling conduit, and said actuatable waste solution containing and discharge cylinder assembly including a cylinder having a waste solution containing chamber and a moveable plunger for varying a volume of said waste solution containing chamber; (d) an attachable and removable airtight sample holding container and (e) a pressure adjustable output valve for coupling to said airtight sample holding container, said pressure adjustable output valve being located between said input check valve and said second end of said waste solution containing and discharge cylinder assembly, thereby enabling an effective and accurate withdrawal of waste solutions Including volatile organic compounds (VOC's).