Clarkson Laboratory Bacteriological Testing for Microbiological Potability by Colilert SM 9223B and HPC Test Method SM 9215B

Clarkson Laboratory Bacti+HPC

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 Link Gulf Service Code: Bacti + HPC 
Coliform/E. coli (Present/Absent) Results in 24 Hours EPA/ELAP approved method SM 9223B
Heterotrophic Plate Count (HPC) Results in 48 Hours EPA/ELAP approved method SM 9215B
 
  • US EPA-approved,  test for drinking and source waters.
  • International approvals include US EPA, APHA Standard Methods for Examination of Water & Waste Water  AOAC, IBWA, and EBWA.
  • Millions of tests are run worldwide every year.
 


Additional Information

www.epa.gov/safewater/disinfection/tcr/index.html

www.cdph.ca.gov/certlic/labs/Pages/ELAP.aspx




Escherichia Coli commonly abbreviated E-coli


Pseudomonas aeruginosa

Klebsiella pneumoniae

Pronunciation click on links below to use:

Google Translate


Escherichia Coli

How do you say it


Pseudomonas
aeruginosa

Klebsiella
pneumoniae

 
Presence / Absence (P/A)

Step 1.
Add reagent to sample and incubate 24 hours.

Step 2.
Read results:

  • Yellow / fluorescent blue under black light = E. coli coliforms present (sample on the left)
  • Colorless  = negative, total coliforms absent (sample in the middle)
  • Yellow       = positive, total coliforms present (sample on the right)
Image result for colilert comparator

Learn how to run the Colilert test on the link below by watching the first 2 minutes of the Idexx  video.


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