Modified Colitag™ Regulatory Approval Information 

Total Coliform Rule

  • Federal Register, Vol. 74, No. 216, November 2009
  • Modified Colitag is approved for detection of coliforms (SM 9221B) and E. coli (SM 9222G)

 

ALTERNATIVE TESTING METHODS FOR CONTAMINANTS LISTED AT 40 CFR 141.21(F)(6)
Organism
Methodology SM 21st edition
Other
Total Coliforms........ Total Coliform Fermentation Technique.....................
Total Coliform Membrane Filter Technique.................
Presence-Absence (P–A) Coliform Test.....................
ONPG–MUG Test.....................................................
Colitag™...............................................................
9221 A, B
9222 A, B, C
9221 D
9223



Modified Colitag™

 

ALTERNATIVE TESTING METHODS FOR CONTAMINANTS LISTED AT 40 CFR 141.21(F)(6)
Organism
Methodology
SM 20th
SM 21st edition
SM online
Other
E. coli.....................
 
ONPG-MUG Test............. 9223 B 9223 B 9223 B-97 Modified Colitag

 

Ground Water Rule

  • Federal Register, Vol. 75, No. 109, June 2010

 

ALTERNATIVE TESTING METHODS FOR CONTAMINANTS LISTED AT 40 CFR 141.402(c)(2)
Organism
Methodology
SM 20th
SM 21st edition
SM online
Other
E. coli....................





Enterococci.............
Colilert........................
Colisure.......................
Colilert-18...................
Readycult®..................
Colitag........................
Chromocult®................
Multi-Tube Technique....
........................
........................
9223 B..............
........................
........................
........................
........................
9223 B..............
9223 B..............
9223 B..............
........................
........................
........................
........................
9223 B-97
9223 B-97
9223 B-97
......................
......................
......................
9230 B-04
 
 
 
Readycult
Modified Colitag
Chromocult

 

For additional questions, or if you need assistance with the regulation process,
call Hach Technical Support: 800-227-4224, ext 6123.