WEF Discussions — Now on LinkedIn!

WEF is pleased to announce the creation of free LinkedIn groups associated with its technical discussion forum topics. Through these LinkedIn groups, members will be able to view and participate in discussions, as well as communicate with one another via direct messages. Share your experiences and knowledge, ask questions and respond to other discussions as frequently as you like!

You must have a LinkedIn profile to join a LinkedIn group; you can create your profile here. If you already have a LinkedIn profile, all you need to do is submit a request to join one or all of the following groups:

Water Environment Federation (Main) | Biosolids | Collection Systems | Nutrients | Stormwater 
Utility Management | Water Reuse | Water for Jobs | Watershed Management | Laboratory Practices 

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Laboratory Management and Technical Issues
  Topics Topic Starter Replies Views Last Post
Cyanide Issue dsmith 7 10200 Tuesday, June 28, 2011 4:17 AM 
Method 624 and 625 Tune Frequency Diane Lawver 1 10247 Tuesday, May 18, 2010 8:36 AM 
Foaming Tests Alan Yen 1 10258 Tuesday, June 8, 2010 10:37 PM 
COD dschultz 8 10280 Monday, July 5, 2010 1:42 PM 
How often to Acid Wash sampler hoses? Keith Chapman 4 10389 Tuesday, June 28, 2011 4:40 AM 
Oxitop method Paul 0 10460 Thursday, April 8, 2010 1:08 AM 
12th Edition of Standard Methods Needed! Keith Chapman 3 10559 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 10571 Wednesday, May 19, 2010 5:30 PM 
Thiourea Analysis ? M-Spike 1 10572 Thursday, February 3, 2011 10:16 AM 
Small Centrifuge Needed....HELP! Keith Chapman 1 10608 Saturday, September 11, 2010 3:37 PM 
Un-ionized Ammonia 01666128 0 10776 Wednesday, January 21, 2015 11:05 AM 
Effluent BOD from Membrane Bioreactor Elizabeth Lawrence 3 10829 Friday, July 9, 2010 3:29 PM 
SM 21st ed. BOD James Royer 4 10887 Thursday, July 1, 2010 11:01 AM 
Low GGA Recovery for CBOD DRajchel 3 10931 Wednesday, January 12, 2011 7:14 AM 
Continuous culture for BOD/CBOD seed? bwest 2 10931 Wednesday, October 12, 2011 4:15 AM 
COD homogenization evik 7 10932 Wednesday, June 29, 2011 6:37 AM 
Back to top What is the difference between standard and thermal calibration options? jovexcorba 0 10961 Saturday, July 11, 2015 6:14 AM 
Flame AA analysis JohnE 2 11060 Friday, July 16, 2010 9:48 AM 
Sodium Permanganate & Chlorine Tom C 0 11074 Thursday, June 17, 2010 9:29 AM 
Fecal MPN A-1 Donald Tucker 0 11097 Monday, April 19, 2010 2:50 PM 
Need good pH probe for wastewater Keith Chapman 1 11110 Monday, July 12, 2010 2:40 PM 
EPA To Approve Hg By ICP/MS??? Charles Lytle 9 11158 Wednesday, June 29, 2011 7:26 AM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 11200 Wednesday, June 9, 2010 5:03 PM 
Alkalinity/Acidity Susan Ledbetter 1 11212 Wednesday, July 28, 2010 9:08 AM 
Low GGA Andy 7 11252 Thursday, December 1, 2011 1:10 AM 
Disposable BOD bottle aursci 0 11278 Friday, February 27, 2015 9:16 AM 
Sample pH adjustment and temperature for BOD test runnerlabber 2 11319 Tuesday, July 20, 2010 5:28 PM 
Unusual BOD results. Luis Manriquez_1 1 11464 Tuesday, May 12, 2015 10:41 AM 
E. coli by IDEXX Gregg Mitchell 10 11495 Wednesday, June 29, 2011 6:37 AM 
COD Testing using HACH TNTPlus celgar_girl 19 11557 Wednesday, June 29, 2011 6:41 AM 
NEMC This Coming August Charles Lytle 1 11576 Tuesday, March 16, 2010 11:34 AM 
BOD seed James Royer 3 11587 Wednesday, June 29, 2011 7:31 AM 
Columns for SVI and ZSV tests Jurek Patoczka 2 11652 Tuesday, May 11, 2010 12:54 PM 
GGA, results not consistent dmclaug 5 11731 Thursday, December 1, 2011 1:13 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 11738 Thursday, January 20, 2011 2:30 PM 
New 0.20 mg/l blank REQUIREMENT for BOD in the MUR Kay Anderson 6 11739 Wednesday, July 13, 2011 1:18 PM 
gravity vs. mechanical convection incubators rainman 1 11743 Thursday, May 27, 2010 4:58 PM 
BOD: The Case Of The Disappearing Oxygen Charles Lytle 10 11749 Wednesday, June 27, 2012 7:51 AM 
Low E. coli counts using MF m-TEC Agar Brian 4 11751 Tuesday, June 28, 2011 7:10 AM 
Weirdest BOD Runs Ever Jeremy Bartleson 7 11952 Wednesday, June 29, 2011 7:02 AM 
Negative BOD calculations LabRat 12 11962 Tuesday, June 28, 2011 4:40 AM 
Chlorine Residual Amperometric Titrator watertech 4 12012 Wednesday, June 29, 2011 7:00 AM 
Control Charting LabLady 7 12013 Friday, May 7, 2010 3:08 PM 
BOD blanks st77 23 12116 Wednesday, June 29, 2011 6:25 AM 
Another EPA Method Update Rule Keith Chapman 16 12127 Wednesday, October 19, 2011 1:26 AM 
Orion 4 Star Ammonia ISE issue Amy Vail 4 12130 Thursday, July 28, 2011 10:20 AM 
MDL Quandary Keith Chapman 4 12171 Tuesday, May 11, 2010 3:25 PM 
BOD standard duplicates discrepancies Tom Hons 4 12176 Sunday, August 28, 2011 8:26 AM 
B. COLI ??? Charles Lytle 11 12256 Monday, June 27, 2011 1:02 PM 
trace Hg analysis (ppt) adri 3 12291 Thursday, February 25, 2010 8:15 AM 
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