MAP20090080881MDHS 77 : asbestos in bulk materials. Sampling and identification by polarised light microscopy (PLM). — [Norfolk] : HSE, 199423 p. ; 30 cm.Fondo donado por el Sr. Enrique González Fernández, del INSHTSumario: Introduction -- Sampling -- Analysis -- Detailed analytical procedures -- Common problems -- Quality assurance (QA) and quality control (QC) -- Advice -- Acknowledgement -- References -- Appendices: a glossary of terms; suppliers of equipment and services; asbestos lables; sample packaging and transport; movement and disposal of waste asbestos