Laboratory and Field GlossaryThere are 196 entries in this glossary.
Means permissible exposure limits as defined in Title 8, California Code of Regulations, Section 1532.1.
For purposes of this section, a painting contract is a Contract with the Owner to perform painting on existing facilities where Lead Based Paint, Lead Containing Paint, Presumed Lead Based or Presumed Lead Containing Paint will be disturbed or abated.
An organism that derives its energy at the expense of its host.
Typically a fruiting body of Ascomycetes usually with an ascus formed inside. Liberates spores by overflow through a preformed opening, or ostiole. Compare to â€œCleistotheciumâ€.
Mycosis usually used to describe rare or uncommon fungal infections.
|Phase Contrast Microscopy (PCM)||
An optical microscopic technique used for counting fibers in air samples. PCM does not distinguish between asbestos and non-asbestos fiber types. The PCM method currently recognized is referred to as NIOSH 7400.
Evaluating asbestos-containing material to determine its current condition and potential for future disturbance.
To cover floors, walls, and equipment with plastic sheeting as specified herein.
A space in a building, other than a duct or shaft, designed to transport air. Plenums are commonly the space between a suspended ceiling and the floor above.
|Polarized Light Microscopy (PLM)||
An optical microscopic method for the identification of asbestos in bulk samples in which the sample is illuminated with polarized light.
As used in the context of material condition, material is obviously damaged with evidence of delamination or inadequate adhesion of the material to its substrate.
|Portable Mechanical Ventilation System||
A portable exhaust system furnished with HEPA filtration and capable of providing a constant air flow into regulated Work Area from adjacent areas and exhausted outside the regulated area.
A method to control the change of biologicals or chemicals so that they may be stored for later use.
|Presumed Lead Based Paint||
paint or surface coating affixed to a Component in or on a structure, excluding paint or surface coating affixed to a Component in or on a residential dwelling constructed on or after January 1, 1979, or a school constructed on or after January 1, 1993.