California Air Resources Board analytical method 435

{
  "id": "MLC-T-ENV-004004",
  "term": "California Air Resources Board analytical method 435",
  "field": "Environment",
  "definition": "A specialized polarized light microscopy (PLM) method used for testing asbestos content in the serpentine aggregate storage piles, on conveyer belts, and on covered surfaces such as roads, play-yards, shoulders and parking lots. The method includes reporting the asbestos content by performing a 400 point count technique which has a detection limit of 0.25%. Many agencies and laboratories also use this method for measuring asbestos in soil. The method is undergoing revision in 2017.",
  "abbreviation": "CARB 435",
  "subject": "Air",
  "references": [
    "Glossary of Asbestos-related Terms and Acronyms"
  ],
  "url": "https://mlchart.com/terminology/environment/california-air-resources-board-analytical-method-435/"
}