Biocides
[Cooling Tower Biocides]
[ref. ID; 1327]: The biocides are registered with the US Environmental Protection Agency under the MBC (micro-biocide) numbers.
MBC 115
poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichoride]
Test organisms
Protozoa: Acanthamoeba hatchetti (ref. ID; 1327)
Protozoa: Cochlipodium bilimbosum (ref. ID; 1327)
MBC 120
5% tributyl-tin neodecanoate with quaternary ammonium compounds, a isothiazolin-3-one
Test organisms
Protozoa: Acanthamoeba hatchetti (ref. ID; 1327)
Protozoa: Cochlipodium bilimbosum (ref. ID; 1327)
MBC 215
5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one
Test organisms
Protozoa: Acanthamoeba hatchetti (ref. ID; 1327)
Protozoa: Cochlipodium bilimbosum (ref. ID; 1327)
MBC 350
50% potassium dimethyldithiocarbamate
Test organisms
Protozoa: Acanthamoeba hatchetti (ref. ID; 1327)
Protozoa: Cochlipodium bilimbosum (ref. ID; 1327)
[Triclocarban (TCC)]
Purpose for use
The antimicrobial chemical is commonly found in many household products including soaps, cosmetics, and deodorants. (ref. ID; 6929)
Test organisms
Oligochaeta: Eisenia foetida (ref. ID; 7132)
Oligochaeta: Lumbriculus variegatus (ref. ID; 6929)
[Triclosan (TCS)]
= 2,4,4'-Trichloro-2'-hydroxydiphenyl ether CAS[3380-34-5]
Chemical formula
C12H7Cl3O2
Purpose for use
The antimicrobial chemical is commonly found in many household products including toothpaste, soaps, cosmetics, and deodorants. (ref. ID; 7132)
Test organisms
Oligochaeta: Eisenia foetida (ref. ID; 7132)