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 8016 Saturday, July 11, 2015 6:01 AM 
Probe vs. Winkler or modifications for DO standardization Julie Fuller 8 11795 Tuesday, November 22, 2011 5:00 PM 
Columns for SVI and ZSV tests Jurek Patoczka 2 9365 Tuesday, May 11, 2010 12:54 PM 
New 0.20 mg/l blank REQUIREMENT for BOD in the MUR Kay Anderson 6 11281 Wednesday, July 13, 2011 1:18 PM 
third try: Merry Christmas WEF-ers Keith C 1 3511 Monday, December 24, 2012 9:54 AM 
How do I post a New Topic? Keith C 0 1660 Wednesday, June 13, 2012 12:57 PM 
Preservation of Grabs and Comps Keith C 1 1501 Friday, August 10, 2012 7:28 AM 
There's a Lesson Here...somewhere Keith Chapman 6 8418 Thursday, December 1, 2011 1:17 AM 
Laboratory Christmas Song for 2010 Keith Chapman 0 4831 Tuesday, December 21, 2010 1:48 PM 
How often to Acid Wash sampler hoses? Keith Chapman 4 8095 Tuesday, June 28, 2011 4:40 AM 
NEW BOD method (?) Keith Chapman 0 5577 Tuesday, September 28, 2010 2:04 PM 
Small Centrifuge Needed....HELP! Keith Chapman 1 8364 Saturday, September 11, 2010 3:37 PM 
Another EPA Method Update Rule Keith Chapman 16 11227 Wednesday, October 19, 2011 1:26 AM 
Need good pH probe for wastewater Keith Chapman 1 8854 Monday, July 12, 2010 2:40 PM 
12th Edition of Standard Methods Needed! Keith Chapman 3 9796 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 8164 Wednesday, May 19, 2010 5:30 PM 
MDL Quandary Keith Chapman 4 9860 Tuesday, May 11, 2010 3:25 PM 
Polyethylene Glycol treatability Keith Chapman 0 6426 Monday, February 8, 2010 4:09 PM 
DMRQA Study 30 Keith Chapman 18 10972 Wednesday, June 29, 2011 6:26 AM 
A visit from St. Nicholas to the Lab Keith Chapman 1 8688 Thursday, January 21, 2010 12:29 PM 
Ammonia results as NH3-N Lab newbie 2 10712 Thursday, December 1, 2011 1:11 AM 
Number of Lab Analysts Lab1Man 6 10630 Monday, June 14, 2010 9:30 AM 
Control Charting LabLady 7 9629 Friday, May 7, 2010 3:08 PM 
Calibrating DO Meter LabLady 14 15045 Wednesday, October 19, 2011 1:28 AM 
Chemical Storage LabRat 3 10785 Wednesday, October 12, 2011 4:14 AM 
Negative BOD calculations LabRat 12 10753 Tuesday, June 28, 2011 4:40 AM 
GGA always near 150 mg/L. losierj 9 7190 Monday, June 27, 2011 1:54 AM 
Unusual BOD results. Luis Manriquez_1 1 12470 Tuesday, May 12, 2015 10:41 AM 
BOD vs nBOD Mark Milne 14 11831 Wednesday, October 12, 2011 4:20 AM 
How low can you go? Mark Milne 11 11791 Monday, June 27, 2011 1:28 PM 
Dechlorination Mark Ultis 16 10679 Wednesday, June 29, 2011 6:56 AM 
BOD Testing & Meter Calibration mawsonspoo 7 11333 Wednesday, June 29, 2011 6:31 AM 
BOD blank depletion: 0.2 or 0.20? mbuff 8 7870 Wednesday, June 29, 2011 6:49 AM 
Cyanide Method Detection Limit Mike 3 5068 Thursday, December 15, 2011 3:06 PM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 8788 Wednesday, June 9, 2010 5:03 PM 
Tough question: If benzene is detected in a surface water.... mitochondrialBliss 2 6959 Thursday, May 27, 2010 4:03 PM 
Lab Equipment looking for school mitochondrialBliss 9 11072 Wednesday, June 29, 2011 6:43 AM 
Laboratory Safety Training mmueller 1 1238 Wednesday, June 19, 2013 7:53 AM 
Recovery Factor for volatile acids distillation Ms. Guided 0 1239 Friday, July 19, 2013 3:15 PM 
Thiourea Analysis ? M-Spike 1 8293 Thursday, February 3, 2011 10:16 AM 
Combined Centrate flows / TSS Nick 1 18084 Thursday, November 14, 2013 6:23 PM 
Dear GGA, We need to talk nick 4 8834 Wednesday, October 19, 2011 9:23 AM 
Generic Control Limits for RPD and Standards Nimo 1 4913 Monday, December 6, 2010 12:19 PM 
Odor analysis norcaltech 0 10998 Wednesday, January 20, 2010 2:03 PM 
Blank Subtraction Pat 3 5833 Sunday, February 19, 2012 11:20 AM 
Oxitop method Paul 0 8152 Thursday, April 8, 2010 1:08 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 9272 Thursday, January 20, 2011 2:30 PM 
lab equipment annual service perkman 8 7623 Wednesday, October 12, 2011 4:22 AM 
Non-Members Can Now Post New Topics Perry 6 11244 Friday, July 1, 2011 8:05 AM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 4715 Friday, May 18, 2012 9:01 AM 
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