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
Matrix spike recovery calculations Ruby 1 3193 Friday, April 6, 2012 7:36 AM 
Sample Bar Coding? Jason Graham 3 5965 Wednesday, April 18, 2012 8:56 AM 
Method 1600 QC requirements Suzy Lindblom 0 2407 Friday, May 4, 2012 9:35 AM 
Setting ethanol and methanol limits. RBladen 1 1980 Monday, May 7, 2012 2:45 PM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 5193 Friday, May 18, 2012 9:01 AM 
Digital water bath thermometer recommendations. Elrick 1 3660 Friday, May 18, 2012 9:03 AM 
Potable Water vs Wastewater Audrey Brubeck 2 2088 Wednesday, June 13, 2012 12:42 PM 
How do I post a New Topic? Keith C 0 2057 Wednesday, June 13, 2012 12:57 PM 
Laboratory Information Management System (LIMS) Suzy Lindblom 5 2620 Thursday, June 14, 2012 12:54 PM 
BOD: The Case Of The Disappearing Oxygen Charles Lytle 10 11283 Wednesday, June 27, 2012 7:51 AM 
Borate buffer solution for ammonia distillation 17577211 0 1600 Friday, August 3, 2012 9:19 AM 
Preservation of Grabs and Comps Keith C 1 1917 Friday, August 10, 2012 7:28 AM 
Solids Duplicate Determinations CJ Felice 2 4525 Wednesday, October 24, 2012 8:57 AM 
WEF Ceases Publication Of Laboratory Solutions 01753954 1 4765 Wednesday, October 24, 2012 9:02 AM 
Is the 22nd Edition of SM an "Editorial" revision? 01487708 0 4192 Wednesday, October 24, 2012 9:28 AM 
BOD pH adjustment 17577211 1 5001 Monday, October 29, 2012 11:22 AM 
QC standard for TSS 17537384 2 5382 Monday, October 29, 2012 11:25 AM 
Sulfide, SM4500S2-D 17526110 0 3101 Tuesday, October 30, 2012 10:27 AM 
Surfactants in your wastewater possibly impacting whole effluent toxicity test 01782191 0 4093 Friday, November 2, 2012 9:27 PM 
Membrane filters 01421497 1 3822 Monday, December 17, 2012 8:07 AM 
Have a Happy BOD Christmas! 01478909 0 2758 Friday, December 21, 2012 9:48 AM 
BOD christmas song 01478909 0 2774 Friday, December 21, 2012 9:51 AM 
third try: Merry Christmas WEF-ers Keith C 1 3928 Monday, December 24, 2012 9:54 AM 
COD Standard Values cgraham@dmi.ca 0 2389 Saturday, February 16, 2013 3:42 PM 
Non-Dectected 17635448 0 3023 Wednesday, February 20, 2013 9:40 AM 
Non-Detected 17635448 2 3528 Monday, February 25, 2013 10:22 AM 
EasyChem Discrete Analyzer 17661043 1 2346 Wednesday, May 8, 2013 9:19 AM 
Solids - TSS Duplicates CJ Felice 2 3915 Thursday, May 16, 2013 9:30 AM 
BOD higher than COD + toxicity?(2) 17658023 0 2092 Tuesday, May 28, 2013 10:18 AM 
Laboratory Safety Training mmueller 1 1651 Wednesday, June 19, 2013 7:53 AM 
Enterococcus 17537384 2 2236 Thursday, July 18, 2013 1:44 PM 
Recovery Factor for volatile acids distillation Ms. Guided 0 1661 Friday, July 19, 2013 3:15 PM 
Lab Flooring 01753954 1 20858 Tuesday, October 29, 2013 7:17 AM 
Combined Centrate flows / TSS Nick 1 18512 Thursday, November 14, 2013 6:23 PM 
Amperometric Chlorine Titration 17604759 0 19221 Monday, December 30, 2013 2:59 PM 
Un-ionized Ammonia 01666128 0 12069 Wednesday, January 21, 2015 11:05 AM 
Disposable BOD bottle aursci 0 12645 Friday, February 27, 2015 9:16 AM 
DPD Indicator for Total Residual Chlorine 01742793 0 9791 Thursday, May 7, 2015 3:50 PM 
Unusual BOD results. Luis Manriquez_1 1 12866 Tuesday, May 12, 2015 10:41 AM 
NPDES Permit Requirement & Corresponding Analytical Method for Pesticide 01782191 1 17442 Wednesday, July 8, 2015 9:52 AM 
GGA high- Tried Everything I can think of. 17797700 2 11036 Friday, July 10, 2015 12:17 PM 
Why should i calibrate the temperature calibrator? jovexcorba 0 8401 Saturday, July 11, 2015 6:01 AM 
Why should i calibrate the temperature calibrator?(2) jovexcorba 0 8572 Saturday, July 11, 2015 6:04 AM 
Back to top What is the difference between standard and thermal calibration options? jovexcorba 0 12732 Saturday, July 11, 2015 6:14 AM 
SOLUTION CONVERSION Dhrumil 1 18381 Tuesday, May 31, 2016 7:20 AM 
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