Lactose Peptone Water - for lactose fermentation studies.

Lactose Sulphite Broth Base - for detection and enumeration of Clostridium perfringens in pharameutical Products as per E.P

Lauryl Sulphate Broth (Lauryl Tryptose Broth) - for detection and enumeration of coliform bacteria in water, wastewater, dairy Products and other foods.

Lauryl Tryptose Mannitol Broth w/ Tryptophan - a single tube medium used for confirmation of Escherichia coli in drinking water.

Lead Acetate Agar - for detection of hydrogen sulphide producing enteric bacteria.

Lecithin Agar - for detection of bacterial contamination of surfaces in unprotected and protected areas.

Lecithin Diluent Broth - used as a diluent for cosmetic samples.

Lee's Agar - for differential enumeration of yoghurt starter bacteria (Lactobacillus bulgaricus, Streptococcus thermophilus).

Lee's Multidifferential Agar - used in the brewing industry for the cultivation and identification of brewing bacteria including fastidious type.

Legionella Agar Base - with addition of supplements it is used for cultivation of Legionella species.

Legionella Agar Base - with addition of supplements it is used for cultivation of Legionella species.

Legionella Enrichment Broth Base - with addition of supplements it is used for cultivation of Legionella species.

Leifson Agar - for isolation of Salmonella and Shigella species.

Leifson's Deoxycholate Agar, Modified - for selective isolation and differentiation of Salmonella and Shigella species.

Leptospira Medium Base - for cultivation and maintenance of Leptospira species.

Leptospira Medium Base, Fletcher - see Fletcher Leptospira Medium Base

Leptospira Medium Base, Korthof, Modified - for cultivation and maintenance of Leptospira species.

Letheen Agar - to determine the phenol coefficient of quaternary ammonium compounds using Escherichia coli or Staphylococcus aureus ATCC 6538.

Letheen Agar, Modified - for screening cosmetic Products for microbial contamination.

Letheen Broth, AOAC - for determinationof bacterial activity of quaternary ammonium compounds using Escherichia coli or Staphylococcus aureus ATCC 6538