Standards
This standard sets out guidelines parameters which will be used to monitor the effluent quality for different types of industries operating in Guyana. This standard does not apply to industrial operations of mining, forestry operations and agricultural infiltration, seepage and run-off. This standard is expected to operate under the Environmental Protection Agency (EPA) regulations on Water Quality Management
This standard specifies requirements, including dimensions, materials, finish and selection for sampling for wire nails and cut nails. The following types of wire nails are covered by this standard: (a) Round plain head nails; (b) Round lost head nails; (c) Clout or slate nails; (d) Extra large head clout or felt nails; (e) Convex head roofing nails (chisel or diamond points); (f) Pipe nails (chisel point); (g) Panel pins; (h) Hardboard panel pins (round shank); (i) Hardboard panel pins (square shank); (j) Lath nails; (k) Plasterboard nails (jagged shank); (l) Oval brad head nails; (m) Oval lost head nails; (n) Tile pegs; (o) Tram nails with flat or raised head with chisel point; (p) Spring head twisted shank nails; (q) Square twisted shank flat head nails; (r) Washer head slab nails; (s) Dowels; (t) Annular ringed shank flat head nails; (u) Helical threaded shank flat head nails; and (v) Duplex head nails. The following types of cut nails are covered by this standard: (a) Cut clasp nails; and (b) Cut floor brads. The types of nail covered are illustrated in Tables 1 to 25 and in the corresponding diagrams, Figures 1 to 25.
1.2 Concrete masonry units covered by this specification are made from lightweight or normal weight aggregates, or both.
This standard specifies the conditions under which ready-mixed concrete shall be made and delivered, and the methods by which the purchaser can specify with his enquiry or order, the properties of the concrete required. It provides a specification for the production and supply of ready-mixed concrete. Methods of specifying ready-mixed concrete for nominal mixes, specified strength mixes and mixes for special purposes, to meet the requirements of standard codes of practice, are covered. It also gives guidance on the data to be provided by the purchaser when ordering ready-mixed concrete, the inspection facilities to be provided by the supplier and the appropriate tests. Routine tests which must be carried out by the supplier and those which are the responsibilities of the purchaser are also included. This standard does not cover the placing, compaction, curing or protection of the concrete after delivery, nor does it apply to materials for lean concrete or similar road care materials.
This standard prescribes methods of sampling and testing for Biochemical Oxygen Demand five days (BOD5) in water and wastewater. It shall be read in conjunction with the latest version of GYS 207 “Interim guidelines for industrial effluent discharge into the environment.”
This standard prescribes methods of sampling and testing for solids in water and wastewater.
This standard prescribes methods of sampling and testing for, dissolved oxygen in water and wastewater. It shall be read in conjunction with latest edition of GYS 207, “Interim guidelines for industrial effluent discharge into the environment.
This standard prescribes methods of sampling and testing for nitrogen in water and wastewater. This standard shall be read in conjunction with GYS 207:2002, “Interim guidelines for industrial effluent discharge into the environment”.
This standard prescribes methods of sampling and testing for chloride in waste and waste water. It shall be read in conjunction with the latest version of GYS 207, “Interim guidelines for industrial effluent discharge into the environment”.
This standard prescribes methods of sampling and testing for surfactants in water and wastewater. This standard shall be read in conjunction with the latest edition of GYS 207, “Interim guidelines for industrial effluent discharge into the environment.”