Laboratory and Field Glossary
There are 196 entries in this glossary.P
| Term | Definition |
|---|---|
| P.E.L. |
Means permissible exposure limits as defined in Title 8, California Code of Regulations, Section 1532.1.
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| Painting Contract |
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.
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| Parasite |
An organism that derives its energy at the expense of its host.
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| Parathecium |
Typically a fruiting body of Ascomycetes usually with an ascus formed inside. Liberates spores by overflow through a preformed opening, or ostiole. Compare to “Cleistotheciumâ€.
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| Phaeohyphomycosis |
Mycosis usually used to describe rare or uncommon fungal infections.
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| 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.
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| Physical assessment |
Evaluating asbestos-containing material to determine its current condition and potential for future disturbance.
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| Plasticize |
To cover floors, walls, and equipment with plastic sheeting as specified herein.
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| Plenum |
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.
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| 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.
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| Poor |
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.
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| 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.
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| Preservation |
A method to control the change of biologicals or chemicals so that they may be stored for later use.
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| 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.
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