DEP Round Robin Exercises
 

DEP Internal Macroinvertebrate Taxonomic Round Robin

All Florida DEP macroinvertebrate taxonomists who analyze Stream Condition Index, Biorecon, or Lake Condition Index samples must participate in this annual round robin exercise. This exercise is for DEP staff only.

Macroinvertebrate Taxonomic RR SOP

Everglades Phosphorus Round Robin (1995-2008)

Round Robin SOP  The procedure used for the Everglades Total Phosphorus Round Robin events.

Everglades Round Robin Data  Compilation of reported results and site plots for Total Phosphorus Round Robin sample sets. Files are in Adobe Acrobat PDF format. The latest version is Round Robin XV.

Statistical Analysis and Summary of ERR Exercises for Phosphorus

• Exercise 18 (PDF, 300 kB)
• Exercise 17 (PDF, 232 kB)
• Exercise 16 (PDF, 270 kB)
• Exercise 15 (PDF, 861 kB)
• Exercise 14 (PDF, 178 kB)
• Exercise 13 (PDF, 183 kB)
• Exercise 12 (PDF, 132 kB)
• Exercises 10-11 (PDF, 255 kB)
• Exercises 8-9 (PDF, 287 kB)
• Exercises 2-7 (PDF, 157 kB)

Statistical Report (PDF, 272 kB)  A statistical evaluation of Everglades RR 5 results from Dr. Pi-Erh Lin and Dr. Xufeng Niu, FSU Department of Statistics. (This version replaces the report previously posted. Modifications have been made to correct minor typographical errors in the ANOVA summary of Table 1, and the C-W distances in Tables 3 and 5. These changes do NOT affect the resulting final evaluation!)

Soil Phosphorus Round Robin (STPRR)

• Exercise 1 (PDF, 114 kB)

Everglades Mercury Round Robin (2001-2008)

Mercury SOP-(PDF) Procedure used for the Total and Methyl Mercury Round Robin Exercise.

Mercury Round Robin Data  Compilation of reported results and site plots for Mercury Round Robin sample sets. Files are in Adobe Acrobat PDF format. The latest version is Round Robin VI.

Determination of Sample Size for Mercury Round Robin Exercises-(PDF) Data from Mercury Round Robins 1 and 2 were used to determine an effective sample size (minimum number of labs and minimum number of samples) for future mercury round robins. Analysis performed by Dr. Pi-Erh Lin and Dr. Xufeng Niu, FSU Department of Statistics.

FPE Bottle Study-(PDF, 6.8 MB) Report by FDEP Bureau of Laboratories comparing glass and fluorinated polyethylene (FPE) sample containers.

Statistical Analysis and Summary of HgRR Exercises

• Exercise 9 (PDF, 260 kB
• Exercise 8 (PDF, 260 kB)
• Exercise 7 (PDF, 215 kB)
• Exercise 6 (PDF, 727 kB)
• Exercise 5 (PDF, 137 kB)
• Exercise 4 (PDF, 157 kB)
• Exercise 3 (PDF, 112 kB)

Additional Information about Everglades Round Robins

Laboratory Audits   In response to a request from the Everglades Technical Advisory Committee (ETAC) and the Department's Everglades Section, the Environmental Assessment Section will begin performing systems audits of laboratory activities in the near future.

Detecting Change Points in the Species Composition and Water Quality Data of WCA2A  by Drs. Xu-Feng Niu, Pi-Erh Lin, and Duane Meeter, FSU Department of Statistics. This is an Adobe Acrobat PDF file (updated 12-1-00, PDF, 223 kB).

Appendix A:  Statistical Methods for Laboratory Data Evaluation The statistical methodology used for evaluating the Everglades Phosphorus and Mercury Round Robins. The methodology was developed by Dr. Pi-Erh Lin and Dr. Xufeng Niu, FSU Department of Statistics.