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 2601 Friday, April 6, 2012 7:36 AM 
Sample Bar Coding? Jason Graham 3 5544 Wednesday, April 18, 2012 8:56 AM 
Method 1600 QC requirements Suzy Lindblom 0 1933 Friday, May 4, 2012 9:35 AM 
Setting ethanol and methanol limits. RBladen 1 1495 Monday, May 7, 2012 2:45 PM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 2361 Friday, May 18, 2012 9:01 AM 
Digital water bath thermometer recommendations. Elrick 1 3282 Friday, May 18, 2012 9:03 AM 
Potable Water vs Wastewater Audrey Brubeck 2 1629 Wednesday, June 13, 2012 12:42 PM 
How do I post a New Topic? Keith C 0 1525 Wednesday, June 13, 2012 12:57 PM 
Laboratory Information Management System (LIMS) Suzy Lindblom 5 2121 Thursday, June 14, 2012 12:54 PM 
BOD: The Case Of The Disappearing Oxygen Charles Lytle 10 10708 Wednesday, June 27, 2012 7:51 AM 
Borate buffer solution for ammonia distillation 17577211 0 1150 Friday, August 3, 2012 9:19 AM 
Preservation of Grabs and Comps Keith C 1 1372 Friday, August 10, 2012 7:28 AM 
Solids Duplicate Determinations CJ Felice 2 3962 Wednesday, October 24, 2012 8:57 AM 
WEF Ceases Publication Of Laboratory Solutions 01753954 1 4251 Wednesday, October 24, 2012 9:02 AM 
Is the 22nd Edition of SM an "Editorial" revision? 01487708 0 3595 Wednesday, October 24, 2012 9:28 AM 
BOD pH adjustment 17577211 1 4436 Monday, October 29, 2012 11:22 AM 
QC standard for TSS 17537384 2 4805 Monday, October 29, 2012 11:25 AM 
Sulfide, SM4500S2-D 17526110 0 2564 Tuesday, October 30, 2012 10:27 AM 
Surfactants in your wastewater possibly impacting whole effluent toxicity test 01782191 0 3575 Friday, November 2, 2012 9:27 PM 
Membrane filters 01421497 1 3275 Monday, December 17, 2012 8:07 AM 
Have a Happy BOD Christmas! 01478909 0 2242 Friday, December 21, 2012 9:48 AM 
BOD christmas song 01478909 0 2308 Friday, December 21, 2012 9:51 AM 
third try: Merry Christmas WEF-ers Keith C 1 3406 Monday, December 24, 2012 9:54 AM 
COD Standard Values cgraham@dmi.ca 0 1922 Saturday, February 16, 2013 3:42 PM 
Non-Dectected 17635448 0 2474 Wednesday, February 20, 2013 9:40 AM 
Non-Detected 17635448 2 2904 Monday, February 25, 2013 10:22 AM 
EasyChem Discrete Analyzer 17661043 1 1925 Wednesday, May 8, 2013 9:19 AM 
Solids - TSS Duplicates CJ Felice 2 3310 Thursday, May 16, 2013 9:30 AM 
BOD higher than COD + toxicity?(2) 17658023 0 1516 Tuesday, May 28, 2013 10:18 AM 
Laboratory Safety Training mmueller 1 1190 Wednesday, June 19, 2013 7:53 AM 
Enterococcus 17537384 2 1744 Thursday, July 18, 2013 1:44 PM 
Recovery Factor for volatile acids distillation Ms. Guided 0 1218 Friday, July 19, 2013 3:15 PM 
Lab Flooring 01753954 1 12419 Tuesday, October 29, 2013 7:17 AM 
Combined Centrate flows / TSS Nick 1 10399 Thursday, November 14, 2013 6:23 PM 
Amperometric Chlorine Titration 17604759 0 10489 Monday, December 30, 2013 2:59 PM 
SOLUTION CONVERSION Dhrumil 0 9413 Wednesday, April 2, 2014 12:59 PM 
Un-ionized Ammonia 01666128 0 4189 Wednesday, January 21, 2015 11:05 AM 
Disposable BOD bottle aursci 0 4258 Friday, February 27, 2015 9:16 AM 
DPD Indicator for Total Residual Chlorine 01742793 0 1780 Thursday, May 7, 2015 3:50 PM 
Unusual BOD results. Luis Manriquez_1 1 4167 Tuesday, May 12, 2015 10:41 AM 
NPDES Permit Requirement & Corresponding Analytical Method for Pesticide 01782191 1 8997 Wednesday, July 8, 2015 9:52 AM 
GGA high- Tried Everything I can think of. 17797700 2 2843 Friday, July 10, 2015 12:17 PM 
Why should i calibrate the temperature calibrator? jovexcorba 0 862 Saturday, July 11, 2015 6:01 AM 
Why should i calibrate the temperature calibrator?(2) jovexcorba 0 884 Saturday, July 11, 2015 6:04 AM 
Back to top What is the difference between standard and thermal calibration options? jovexcorba 0 1658 Saturday, July 11, 2015 6:14 AM 
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