Current Fapas Water and Environmental (Leap) Programme - Page 23

Fapas Water and Environmental Environmental Waste Water Chemistry (continued) Analyte Groups Analytes Concentration Ranges (approx, after dilution) Volume Supplied Dilution Required (approx) 23 5 Trace Metals 1 Aluminium Arsenic Beryllium Cadmium Chromium (Total) Cobalt Copper Iron Lead Manganese Mercury Nickel Selenium Vanadium Zinc 200 – 4000 µg/l 70 – 900 8 – 900 8 – 750 17 – 1000 28 – 1000 40 – 900 200 – 4000 70 – 3000 70 – 4000 2 – 30 80 – 3000 90 – 2000 55 – 2000 100 – 2000 20 ml to 1 l 6 Trace Metals 2 Antimony Barium Boron Molybdenum Silver Strontium Thallium 95 – 900 µg/l 100 – 2500 800 – 2000 60 – 600 26 – 600 30 – 300 60 – 900 20 ml to 1 l 7 Hexavalent Chromium 45 – 880 µg/l 20 ml to 1 l 8 Alkalinity Calcium Total Hardness Magnesium Potassium Sodium 10 – 120 (as CaCO3) mg/l 3.5 – 110 mg/l 17 – 675 (as CaCO3) mg/l 2 – 40 mg/l 4 – 40 6 – 100 2 x 20 ml to 1 l 9 Bromide Fluoride 1 – 10 mg/l 0.3 – 4 20 ml to 1 l 10 Oil & Grease Suitable for EPA 1664, SM 5520B and other gravimetric methods (NOT suitable for IR methods) 10 – 100 mg/l 2 ml to 1 l 11 Cyanide (Total) 0.1 to 1 mg/l 2 ml to 1 l 12 Total Sulphide 1 – 10 mg/l 20 ml to 1 l 13 Settleable Solids (Volumetric test using Imhoff cone) 5 – 100 ml/l 25 g to 1 l 14 Dissolved Oxygen Dissolved Oxygen (Winkler) 1.0 to 100 mg/l 2 ml to 1 l