top of page

S2Media™ 10x A-1 Medium

Fill Volume:
Container/Closure:
Quantity
Made to order. (Minimum order quantity: 4 BX (200 Tubes)). If you order this product regularly, please contact us to discuss stocking inventory for faster fulfillment.

S2Media™ 10x A-1 Medium is a selective broth used for isolation and presumptive identification of fecal coliforms in water. Andrews and Presnell developed A-1 Medium in 1972 to recover Escherichia coli from estuarine water in 24 hours instead of 72 hours, and in greater numbers without pre-enrichment. A-1 Medium can be used in a single step procedure for the detection of fecal coliforms in source water, seawater, treated wastewater, and foods.


Also known as:

  • A1 Broth

  • A-1 Medium Broth


👉 Finished product meets the following standards and references:

  • EPA,

  • SM-WW,

  • USP-NF


🧫 Application Areas:

  • Water quality testing for the detection and enumeration of fecal coliforms by membrane filtration

  • Wastewater monitoring and regulatory compliance testing

  • Environmental water quality monitoring and public health surveillance

bottom of page