Abstract: A method for enhancing in situ bioremediation of a volume containing groundwater and a quantity of contaminant, the method comprising the steps of: quantifying the mass of the contaminant; and amending the volume by adding thereto a compound that provides a source of NO3?. The method is characterized in that the compound is added such that the mass of the NO3? source is provided at the ratio of about 1 mg NO3? per 0.21 mg contaminant. The contaminant can be BTEX or petroleum-related VOC.

Abstract: A method for enhancing in situ bioremediation of a volume containing groundwater and a quantity of contaminant, the method comprising the steps of: quantifying the mass of the contaminant; and amending the volume by adding thereto a compound that provides a source of NO3?. The method is characterized in that the compound is added such that the mass of the NO3? source is provided at the ratio of about 1 mg NO3? per 0.21 mg contaminant. The contaminant can be BTEX or petroleum-related VOC.

Abstract: The composition comprises, by mass, about: 52% Lactose, 15.2% B12-fortified Brewer's Yeast, 12% Sodium Proponate, 0.8% Sodium carbonate, 0.12% Nitrate Nitrogen, 2.1% Ammoniacal Nitrogen, 3.78% Urea Nitrogen, 1% Available Phosphoric Acid, 0.4% Soluble Potash (K2O), 2% Sulphur (S), 0.0064% Iron, 0.0066% Manganese, 0.0036% Zinc, 0.00068% Copper, 0.003% Boron and about 0.0068% Molybdenum.

Abstract: A method for enhancing anaerobic reductive dechlorination of a contaminated site includes enriching the site with organic carbon suitable for use as an energy source by dechlorinating bacteria, nitrogen in the form of urea or ammonia, nutrient phosphorus, matter that releases bio-available hydrogen over a relatively short period of time and relatively quickly following site enrichment and matter that releases bio-available hydrogen over a relatively long period of time following site enrichment.