AMF AFM - Instructions for use

Waste water treatment, results for AFM® Wastewater Typical Performance advantage Suspended solids COD/BOD/TOC Turbidity Ammonium Bacteria TTC THMs Back-wash profile >90% reduction >90% reduction No change with AFM® 50% reduction 50% to 90% reduction Used to check performance Independent tests conducted by Spanish Water Company and reported in Technology del Agua, December 2009, page 47. SS. (mg/l) Performance % Turbidity ntu Performance % inlet outlet RGF sand filter with sand 7.14 2.2 69 3.5 2.23 36 Pressure filter with sand 8.18 3.82 53 5.87 4.76 18 22311 Moving bed sand filter with sand 7.08 3.82 46 2.13 1.79 16 14.66 7.33 50 7.16 3.88 5.6 3.1 44 2.22 2.06 7.41 3.98 46 3.01 3.17 10.60 0.89 96% 2.98 0.24 Drum filter 10 micron Disc Filter 10 micron Ring Filter 10 micron AFM® Pressure filter Dryden Aqua Ltd Butlerfield-Bonnyrigg, Edinburgh EH19 3JQ Scotland inlet outlet bacteria inlet Performance % outlet m3/m2/h 46 1.2 18023 19 4.96 14067 10307 26 5.4 45 56712 38460 32 3.23 7 30450 21138 30 2.12 9447 7761 17 2.5 23000 10000 58 % 3.59 92 % 23120.0 12300.0 Filtration Velocity Page 32 of 44 TYPE OF FILTER

AMF AFM - Instructions for use | Page 32