At - 811

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 57333-1
• U.S. EPA Status: CANCELLED

Description

'At - 811' is an algaecide and microbicide/microbistat. Its Federal EPA registration number is: 57333-1. It was originally approved by EPA on 30 Mar 1987. Its registration got cancelled on 21 Jul 1998. It has a 'Warning' signal word. It has the following active ingredients: Carbamodithioic acid, cyano-, disodium salt and Metam-Potassium. It's approved for 1 sites including cooling tower water. It is also approved for 2 pests and pest groups including but not limited to algae and slime-forming bacteria.

Original registration date:

• 30 Mar 1987

Cancellation date:

• 21 Jul 1998

Alternative names:

• AT - 811Active

Registrant:

• THORPE INDUSTRIES INC
  D/b/a Hydrochem
• Address:
  1526 E. State Avenue
  Holly Hill, FL 32117

Active ingredients:

• Carbamodithioic acid, cyano-, disodium salt 4.9%
• Metam-potassium 6.76%
• Other ingredients 88.34%

Signal word:

• Warning

Product type:

• Algaecide
• Microbicide/microbistat

Formulation:

• Ready-to-Use Solution

Registered target pests:

• Algae
• Slime-forming bacteria

Registered target sites:

• Cooling tower water