Exhibit 7 Wastewater Standard

Bangladesh SEZ Ltd. Sonpara, Panchrukhi Via Rupganj Araihazar, Narayanganj-1460 Exhibit 7 WASTEWATER STANDARD Parameter Unit Wastewater Standard Factory to BSEZ STP BOD mg/l 300 Suspended Solids (SS) mg/l 200 CODcr mg/l 400 Oil & Grease mg/l 10 Total Coliform MPN/100ml - Total Residual Chlorine mg/l - Ammonia mg/l 15 Total Phosphorus mg/l 8 Dissolved Solids mg/l 2100 pH 6 - 9 Sulphide mg/l 1 Cyanide (free) mg/l 0.1 Total Cyanide mg/l - Formaldehyde mg/l - Phenol mg/l 1 Free Chlorine mg/l - Heavy Metals(Total) mg/l - Zinc mg/l 5 Chromium(total) mg/l 0.5 Chromium(Hexavalent) mg/l 0.1 Arsenic mg/l 0.2 Copper mg/l 0.5 Mercury mg/l 0.01 Cadmium mg/l 0.5 Barium mg/l - Selenium mg/l 0.05 Lead mg/l 0.1 Nickel mg/l 1 Temperature ℃ 40 Color and Odor Co-Pt - Bangladesh SEZ Ltd. Sonpara, Panchrukhi Via Rupganj Araihazar, Narayanganj-1460 Total Nitrogen mg/l 100 Fluoride mg/l 2 Iron mg/l 2 Silver mg/l - Manganese (as Mn) mg/l 5 Nitrate mg/l 15