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
Low GGA Recovery for CBOD DRajchel 3 7800 Wednesday, January 12, 2011 7:14 AM 
Low Level Hg Analyzer James Davis 0 5309 Thursday, December 1, 2011 1:08 AM 
Low Level Mercury - Instrumentation & EPA 1631 Rev. E Jason Graham 1 3762 Wednesday, November 30, 2011 7:40 AM 
Matrix spike recovery calculations Ruby 1 2027 Friday, April 6, 2012 7:36 AM 
MDL Quandary Keith Chapman 4 9373 Tuesday, May 11, 2010 3:25 PM 
Membrane filters 01421497 1 1992 Monday, December 17, 2012 8:07 AM 
Membrane filtration for Fecal Coiliforms st 1 10005 Thursday, May 27, 2010 4:23 PM 
Method 1600 QC requirements Suzy Lindblom 0 1268 Friday, May 4, 2012 9:35 AM 
Method 624 and 625 Tune Frequency Diane Lawver 1 8795 Tuesday, May 18, 2010 8:36 AM 
Need good pH probe for wastewater Keith Chapman 1 8404 Monday, July 12, 2010 2:40 PM 
Negative BOD calculations LabRat 12 10306 Tuesday, June 28, 2011 4:40 AM 
NEMC This Coming August Charles Lytle 1 9042 Tuesday, March 16, 2010 11:34 AM 
New 0.20 mg/l blank REQUIREMENT for BOD in the MUR Kay Anderson 6 10708 Wednesday, July 13, 2011 1:18 PM 
NEW BOD method (?) Keith Chapman 0 5112 Tuesday, September 28, 2010 2:04 PM 
New BOD Standard Method (ASTM) hubblijr 0 5648 Tuesday, May 11, 2010 3:12 PM 
New Drinking Water Methods Promulgated by EPA Victor Santa Cruz 0 5379 Tuesday, June 8, 2010 11:40 AM 
New Laboratory Forum Victor Santa Cruz 2 11400 Friday, December 11, 2009 10:31 AM 
Nitrate Testing by Method 353.3 jessica9 1 4679 Thursday, September 8, 2011 7:39 AM 
NO@/NO3 Preserved Sample Analysis Quantification PHanners 2 7219 Friday, December 10, 2010 7:57 AM 
Non-Dectected 17635448 0 1199 Wednesday, February 20, 2013 9:40 AM 
Non-Detected 17635448 2 1489 Monday, February 25, 2013 10:22 AM 
Non-Members Can Now Post New Topics Perry 6 10657 Friday, July 1, 2011 8:05 AM 
Number of Lab Analysts Lab1Man 6 10043 Monday, June 14, 2010 9:30 AM 
Odor analysis norcaltech 0 10435 Wednesday, January 20, 2010 2:03 PM 
Oil and Grease by Soxhlet Charlie 4 4560 Tuesday, March 27, 2012 4:49 AM 
Orion 4 Star Ammonia ISE issue Amy Vail 4 9287 Thursday, July 28, 2011 10:20 AM 
Oxitop method Paul 0 7638 Thursday, April 8, 2010 1:08 AM 
phosphorus mdl Donald Tucker 4 6431 Monday, January 4, 2010 3:25 PM 
Pittcon dsmith 3 9607 Friday, July 1, 2011 7:59 AM 
Polyethylene Glycol treatability Keith Chapman 0 5974 Monday, February 8, 2010 4:09 PM 
Polyseed Shawn 11 36706 Wednesday, October 19, 2011 1:27 AM 
Potable Water vs Wastewater Audrey Brubeck 2 1029 Wednesday, June 13, 2012 12:42 PM 
Preservation of Grabs and Comps Keith C 1 839 Friday, August 10, 2012 7:28 AM 
Probe vs. Winkler or modifications for DO standardization Julie Fuller 8 11217 Tuesday, November 22, 2011 5:00 PM 
Proceedure dmclaug 2 6591 Friday, December 24, 2010 12:02 PM 
Process Control Phosphorus Measurements wasteh2odoc 4 6962 Friday, February 18, 2011 3:28 PM 
QA Manual Help James Davis 2 6049 Tuesday, April 20, 2010 5:36 PM 
QA/QC for WW Lab Workshop Victor Santa Cruz 0 4961 Monday, October 18, 2010 9:09 AM 
QAQC for Small WW Labs Document Keith Chapman 0 7680 Wednesday, May 19, 2010 5:30 PM 
QC standard for TSS 17537384 2 3419 Monday, October 29, 2012 11:25 AM 
Sample Bar Coding? Jason Graham 3 4856 Wednesday, April 18, 2012 8:56 AM 
Sample pH adjustment and temperature for BOD test runnerlabber 2 8521 Tuesday, July 20, 2010 5:28 PM 
Scientists Close on Defining "Kilogram" Victor Santa Cruz 0 7048 Thursday, December 1, 2011 1:12 AM 
seeding high strength BOD's Donald Tucker 10 10160 Wednesday, June 29, 2011 7:30 AM 
Setting ethanol and methanol limits. RBladen 1 821 Monday, May 7, 2012 2:45 PM 
Significant Digits st 20 12012 Wednesday, October 19, 2011 1:26 AM 
SM 21st ed. BOD James Royer 4 9516 Thursday, July 1, 2010 11:01 AM 
Small Centrifuge Needed....HELP! Keith Chapman 1 7872 Saturday, September 11, 2010 3:37 PM 
So many abbreviations CVidito 2 5839 Tuesday, April 20, 2010 5:41 PM 
Sodium Bisulfite Residual watertech 11 9380 Wednesday, June 29, 2011 6:53 AM 
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