<![CDATA[Silt Lab Zone]]> https://siltlabzone.com/ en <![CDATA[Laser diffraction versus hydrometer method: choosing the right grain-size technique for your sediment]]> https://siltlabzone.com/notes/laser-diffraction-vs-hydrometer-grain-size.html https://siltlabzone.com/notes/laser-diffraction-vs-hydrometer-grain-size.html Sun, 05 Jul 2026 00:00:00 GMT <![CDATA[Soil Contamination Countermeasures Act: what the 26 designated substances are and how they are tested]]> https://siltlabzone.com/notes/soil-contamination-act-26-substances.html https://siltlabzone.com/notes/soil-contamination-act-26-substances.html Mon, 17 Nov 2025 00:00:00 GMT <![CDATA[What BOD and COD results actually tell you about river water quality]]> https://siltlabzone.com/notes/bod-cod-river-water-quality-explained.html https://siltlabzone.com/notes/bod-cod-river-water-quality-explained.html Wed, 12 Nov 2025 00:00:00 GMT <![CDATA[Groundwater monitoring obligations under Aichi Prefecture environmental ordinances: a practical overview]]> https://siltlabzone.com/notes/groundwater-monitoring-aichi-prefecture.html https://siltlabzone.com/notes/groundwater-monitoring-aichi-prefecture.html Sat, 09 Aug 2025 00:00:00 GMT <![CDATA[Reading a grain-size distribution report: D10, D50, D90, and Folk-Ward classification explained]]> https://siltlabzone.com/notes/reading-grain-size-distribution-report.html https://siltlabzone.com/notes/reading-grain-size-distribution-report.html Thu, 26 Jun 2025 00:00:00 GMT <![CDATA[How to collect and package sediment samples for laboratory submission in Japan]]> https://siltlabzone.com/notes/sediment-sample-collection-japan.html https://siltlabzone.com/notes/sediment-sample-collection-japan.html Sun, 26 Jan 2025 00:00:00 GMT