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
Why should i calibrate the temperature calibrator? jovexcorba 0 6509 Saturday, July 11, 2015 6:01 AM 
Probe vs. Winkler or modifications for DO standardization Julie Fuller 8 14349 Tuesday, November 22, 2011 5:00 PM 
Columns for SVI and ZSV tests Jurek Patoczka 2 11091 Tuesday, May 11, 2010 12:54 PM 
New 0.20 mg/l blank REQUIREMENT for BOD in the MUR Kay Anderson 6 13028 Wednesday, July 13, 2011 1:18 PM 
third try: Merry Christmas WEF-ers Keith C 1 3697 Monday, December 24, 2012 9:54 AM 
How do I post a New Topic? Keith C 0 1853 Wednesday, June 13, 2012 12:57 PM 
Preservation of Grabs and Comps Keith C 1 2023 Friday, August 10, 2012 7:28 AM 
There's a Lesson Here...somewhere Keith Chapman 6 8575 Thursday, December 1, 2011 1:17 AM 
Laboratory Christmas Song for 2010 Keith Chapman 0 6541 Tuesday, December 21, 2010 1:48 PM 
How often to Acid Wash sampler hoses? Keith Chapman 4 9835 Tuesday, June 28, 2011 4:40 AM 
NEW BOD method (?) Keith Chapman 0 7297 Tuesday, September 28, 2010 2:04 PM 
Small Centrifuge Needed....HELP! Keith Chapman 1 10047 Saturday, September 11, 2010 3:37 PM 
Another EPA Method Update Rule Keith Chapman 16 11419 Wednesday, October 19, 2011 1:26 AM 
Need good pH probe for wastewater Keith Chapman 1 10551 Monday, July 12, 2010 2:40 PM 
12th Edition of Standard Methods Needed! Keith Chapman 3 9944 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 9930 Wednesday, May 19, 2010 5:30 PM 
MDL Quandary Keith Chapman 4 11613 Tuesday, May 11, 2010 3:25 PM 
Polyethylene Glycol treatability Keith Chapman 0 8133 Monday, February 8, 2010 4:09 PM 
DMRQA Study 30 Keith Chapman 18 12957 Wednesday, June 29, 2011 6:26 AM 
A visit from St. Nicholas to the Lab Keith Chapman 1 7255 Thursday, January 21, 2010 12:29 PM 
Ammonia results as NH3-N Lab newbie 2 9390 Thursday, December 1, 2011 1:11 AM 
Number of Lab Analysts Lab1Man 6 12305 Monday, June 14, 2010 9:30 AM 
Control Charting LabLady 7 11389 Friday, May 7, 2010 3:08 PM 
Calibrating DO Meter LabLady 14 15438 Wednesday, October 19, 2011 1:28 AM 
Chemical Storage LabRat 3 12513 Wednesday, October 12, 2011 4:14 AM 
Negative BOD calculations LabRat 12 11199 Tuesday, June 28, 2011 4:40 AM 
GGA always near 150 mg/L. losierj 9 9036 Monday, June 27, 2011 1:54 AM 
Unusual BOD results. Luis Manriquez_1 1 10755 Tuesday, May 12, 2015 10:41 AM 
BOD vs nBOD Mark Milne 14 12015 Wednesday, October 12, 2011 4:20 AM 
How low can you go? Mark Milne 11 13666 Monday, June 27, 2011 1:28 PM 
Dechlorination Mark Ultis 16 12208 Wednesday, June 29, 2011 6:56 AM 
BOD Testing & Meter Calibration mawsonspoo 7 13076 Wednesday, June 29, 2011 6:31 AM 
BOD blank depletion: 0.2 or 0.20? mbuff 8 6404 Wednesday, June 29, 2011 6:49 AM 
Cyanide Method Detection Limit Mike 3 5223 Thursday, December 15, 2011 3:06 PM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 10585 Wednesday, June 9, 2010 5:03 PM 
Tough question: If benzene is detected in a surface water.... mitochondrialBliss 2 8715 Thursday, May 27, 2010 4:03 PM 
Lab Equipment looking for school mitochondrialBliss 9 12807 Wednesday, June 29, 2011 6:43 AM 
Laboratory Safety Training mmueller 1 1425 Wednesday, June 19, 2013 7:53 AM 
Recovery Factor for volatile acids distillation Ms. Guided 0 1441 Friday, July 19, 2013 3:15 PM 
Thiourea Analysis ? M-Spike 1 10017 Thursday, February 3, 2011 10:16 AM 
Combined Centrate flows / TSS Nick 1 16385 Thursday, November 14, 2013 6:23 PM 
Dear GGA, We need to talk nick 4 9017 Wednesday, October 19, 2011 9:23 AM 
Generic Control Limits for RPD and Standards Nimo 1 6669 Monday, December 6, 2010 12:19 PM 
Odor analysis norcaltech 0 12783 Wednesday, January 20, 2010 2:03 PM 
Blank Subtraction Pat 3 4166 Sunday, February 19, 2012 11:20 AM 
Oxitop method Paul 0 9853 Thursday, April 8, 2010 1:08 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 11057 Thursday, January 20, 2011 2:30 PM 
lab equipment annual service perkman 8 9007 Wednesday, October 12, 2011 4:22 AM 
Non-Members Can Now Post New Topics Perry 6 13060 Friday, July 1, 2011 8:05 AM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 2632 Friday, May 18, 2012 9:01 AM 
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