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Water quality — Sampling — Part 16: Guidance on biotesting of samples

Water quality — Sampling — Part 17: Guidance on sampling of bulk suspended solids

Water quality — Sampling — Part 1: Guidance on the design of sampling programmes and sampling techniques

Water quality — Sampling — Part 20: Guidance on the use of sampling data for decision making — Compliance with thresholds and classification systems

Water quality — Sampling — Part 21: Guidance on sampling of drinking water distributed by tankers or means other than distribution pipes

Water quality — Sampling — Part 23: Guidance on passive sampling in surface waters

Water quality — Sampling — Part 24: Guidance on the auditing of water quality sampling

Water quality — Sampling — Part 26: Guidance on sampling for the parameters of the oceanic carbon dioxide system

Water quality — Sampling — Part 3: Preservation and handling of water samples

Water quality — Sampling — Part 4: Guidance on sampling from lakes, natural and man-made

Water quality — Sampling — Part 6: Guidance on sampling of rivers and streams

Water quality — Sampling — Part 8: Guidance on the sampling of wet deposition

Water quality — Sampling — Part 9: Guidance on sampling from marine waters

Corrosion of metals and alloys — Guidelines and requirements for corrosion testing in simulated environment of deep-sea water

Agricultural trailers — Single-acting telescopic tipping cylinders — 25 MPa (250 bar) series — Types 1, 2 and 3 — Interchangeability dimensions

Spices and condiments — Dried chive (Allium schoenoprasum L.), cut and ground — Specification

Agricultural tractors and machinery — Power take-off drive shafts and power-input connection — Part 1: General manufacturing and safety requirements

Agricultural tractors and machinery — Power take-off drive shafts and power-input connection — Part 2: Specification for use of PTO drive shafts, and position and clearance of PTO drive line and PIC for various attachments

Tractors and machinery for agriculture and forestry — Guards for power take-off (PTO) drive-shafts — Strength and wear tests and acceptance criteria

Agricultural tractors and machinery — General purpose quick-action hydraulic couplers