An extensive quality assurance program was applied to the program

• Methods utilized, while esoteric, are published and accepted

• Quality control elements follow EPA protocols (SW-846 type)

  • multilevel calibrations, continuing calibration checks
  • surrogate spikes, internal standards
  • procedural blanks, lab control samples
  • reference materials

• Developed and utilize project-specific control sample

  • created samples from test site
  • analyzed with each batch

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