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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 337-50
  • U.S. EPA Status: CANCELLED

Description

'Lester Swimming Pool Algaecide #20' is an algaecide. Its Federal EPA registration number is: 337-50. It was originally approved by EPA on 16 Jul 1970. Its registration got cancelled on 22 Jan 1991. It has a 'Caution' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12) and Alkyl* dimethyl ethylbenzyl ammonium chloride *(50%C12, 30%C14, 17%C16, 3%C18). It's approved for 2 sites including swimming pool surfaces and swimming pool water. It is also approved for 1 pests and pest groups including but not limited to algae.

Original registration date:

  • 16 Jul 1970

Cancellation date:

  • 22 Jan 1991

Alternative names:

  • LESTER SWIMMING POOL ALGAECIDE #20Active

Registrant:

  • LESTER LABORATORIES
  • Address:
    2370 Lawrence Street
    Atlanta, GA 30344

Active ingredients:

  • Alkyl* dimethyl benzyl ammonium chloride *(60%c14, 30%c16, 5%c18, 5%c12) 10%
  • Alkyl* dimethyl ethylbenzyl ammonium chloride *(50%c12, 30%c14, 17%c16, 3%c18) 10%
  • Other ingredients 80%

Signal word:

  • Caution

Product type:

  • Algaecide

Formulation:

  • Soluble Concentrate

Registered target pests:

  • Algae

Registered target sites:

  • Swimming pool surfaces
  • Swimming pool water