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!

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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
There's a Lesson Here...somewhere Keith Chapman 6 8065 Thursday, December 1, 2011 1:17 AM 
Laboratory Christmas Song for 2010 Keith Chapman 0 4612 Tuesday, December 21, 2010 1:48 PM 
How often to Acid Wash sampler hoses? Keith Chapman 4 7886 Tuesday, June 28, 2011 4:40 AM 
NEW BOD method (?) Keith Chapman 0 5358 Tuesday, September 28, 2010 2:04 PM 
Small Centrifuge Needed....HELP! Keith Chapman 1 8145 Saturday, September 11, 2010 3:37 PM 
Another EPA Method Update Rule Keith Chapman 16 10951 Wednesday, October 19, 2011 1:26 AM 
Need good pH probe for wastewater Keith Chapman 1 8611 Monday, July 12, 2010 2:40 PM 
12th Edition of Standard Methods Needed! Keith Chapman 3 9574 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 7919 Wednesday, May 19, 2010 5:30 PM 
MDL Quandary Keith Chapman 4 9607 Tuesday, May 11, 2010 3:25 PM 
Polyethylene Glycol treatability Keith Chapman 0 6227 Monday, February 8, 2010 4:09 PM 
DMRQA Study 30 Keith Chapman 18 10736 Wednesday, June 29, 2011 6:26 AM 
A visit from St. Nicholas to the Lab Keith Chapman 1 6856 Thursday, January 21, 2010 12:29 PM 
Ammonia results as NH3-N Lab newbie 2 8872 Thursday, December 1, 2011 1:11 AM 
Number of Lab Analysts Lab1Man 6 10373 Monday, June 14, 2010 9:30 AM 
Control Charting LabLady 7 9347 Friday, May 7, 2010 3:08 PM 
Calibrating DO Meter LabLady 14 14751 Wednesday, October 19, 2011 1:28 AM 
Chemical Storage LabRat 3 10503 Wednesday, October 12, 2011 4:14 AM 
Negative BOD calculations LabRat 12 10460 Tuesday, June 28, 2011 4:40 AM 
GGA always near 150 mg/L. losierj 9 6964 Monday, June 27, 2011 1:54 AM 
BOD vs nBOD Mark Milne 14 11506 Wednesday, October 12, 2011 4:20 AM 
How low can you go? Mark Milne 11 11547 Monday, June 27, 2011 1:28 PM 
Dechlorination Mark Ultis 16 10409 Wednesday, June 29, 2011 6:56 AM 
BOD Testing & Meter Calibration mawsonspoo 7 11077 Wednesday, June 29, 2011 6:31 AM 
BOD blank depletion: 0.2 or 0.20? mbuff 8 5998 Wednesday, June 29, 2011 6:49 AM 
Cyanide Method Detection Limit Mike 3 4690 Thursday, December 15, 2011 3:06 PM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 8548 Wednesday, June 9, 2010 5:03 PM 
Tough question: If benzene is detected in a surface water.... mitochondrialBliss 2 6701 Thursday, May 27, 2010 4:03 PM 
Lab Equipment looking for school mitochondrialBliss 9 10855 Wednesday, June 29, 2011 6:43 AM 
Laboratory Safety Training mmueller 1 831 Wednesday, June 19, 2013 7:53 AM 
Recovery Factor for volatile acids distillation Ms. Guided 0 770 Friday, July 19, 2013 3:15 PM 
Thiourea Analysis ? M-Spike 1 8072 Thursday, February 3, 2011 10:16 AM 
Combined Centrate flows / TSS Nick 1 4907 Thursday, November 14, 2013 6:23 PM 
Dear GGA, We need to talk nick 4 8553 Wednesday, October 19, 2011 9:23 AM 
Generic Control Limits for RPD and Standards Nimo 1 4675 Monday, December 6, 2010 12:19 PM 
Odor analysis norcaltech 0 10727 Wednesday, January 20, 2010 2:03 PM 
Blank Subtraction Pat 3 3616 Sunday, February 19, 2012 11:20 AM 
Oxitop method Paul 0 7903 Thursday, April 8, 2010 1:08 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 9009 Thursday, January 20, 2011 2:30 PM 
lab equipment annual service perkman 8 7361 Wednesday, October 12, 2011 4:22 AM 
Non-Members Can Now Post New Topics Perry 6 11020 Friday, July 1, 2011 8:05 AM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 2063 Friday, May 18, 2012 9:01 AM 
BOD Bottle Method? Grad Cylinder Method? Hybrid? Perry Brake 18 14994 Saturday, January 9, 2010 6:38 PM 
LDO probe calibration verification? peterm 13 9896 Wednesday, June 29, 2011 6:42 AM 
NO@/NO3 Preserved Sample Analysis Quantification PHanners 2 7338 Friday, December 10, 2010 7:57 AM 
gravity vs. mechanical convection incubators rainman 1 9238 Thursday, May 27, 2010 4:58 PM 
TSS standard Rashmi Patel 2 5701 Thursday, September 8, 2011 3:12 PM 
Setting ethanol and methanol limits. RBladen 1 1232 Monday, May 7, 2012 2:45 PM 
ASTi IOTRON TM SENSORS roy_p 0 3065 Monday, October 3, 2011 12:52 PM 
Matrix spike recovery calculations Ruby 1 2318 Friday, April 6, 2012 7:36 AM 
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