Document 7GQawZYwJmoDEDoJOX4Yk8va

NIOSH The National Institute for Occupational Safety and Health which was established by the Occupational Safety and Health Act of 1970 Personal Sample An air sample taken with the sampling pump directly attached to the worker with the collecting filter placed in the worker's breathing zone Personal Protection ,PF Notification and instruction of all workers prior to the beginning of a project as to the hazards associated with the job and what they can do the protect themselves from these hazards Protection factor as provided by a res pirator which is determined by dividing the airborne fiber concentration putside of the mask by the concentration inside the mask Phase Contrast Microscopy (PCM) A microscopic technique used for the counting of fibers in air samples, but which does not distinguish fiber types Pipe Lagging The insulation or wrapping around a pipe Pleura The thin membrane surrounding the lungs, and which lines the internal surface of the chest cavity Polarized Light Microscopy (PLM) A microscopic technique used to distinguish between different types of asbestos fibers by their shape and unique optical properties Polyethylene Plastic sheeting which is often used to seal off an area in which asbestos removal is taken place for the purpose of preventing contamination of other areas Posting Refers to caution or warning signs which should be posted in any area in which asbestos removal is taking place, or where airborne fiber levels may present a health hazard Powered Air Either a full facepiece, helmet, or hocT Purifying respirator that has the breathing Respirator (PAPR) powered to the wearer after it has be purified through a filter . Pre-Construction Conference A meeting held before any work betw' the contractorand the building ownera which time the job specifications ar discussed and all detail of the woflt agreed upon Pre-Employment Physical Complete medical examination of anemployee before the job begins to deter-' mine whether or not he/she is fit ;t6*^ perform the functions of their employs ment Pressure Demand A respiratory protection device which, Airline Devices has a regulator and valve design such;' that there is a continuous flow of airinto the facepiece at all times Prevalent Levels Levels orairbomecontaminantsoccurring under normal conditions Prevalent Samples Air samples taken under normal con ditions (background samples) Progress Payments A pre-work agreement whereby the building owner pays the contractor after completion of certain phases of the project Protective Clothing Protective, lightweight garments worn by workers performing asbestos abate ment to keep gross contamination off the body Pulmonary Pertaining to, or affecting the lungs, or some portion thereof Pulmonary Function Test A part of the medical examination required to determine the health status of a person's lungs Qualitative Fit Test A method of testing a respirator's faceto-facepiece seal by covering the in halation or exhalation valves and either breathing in or out to determine the presence of any leaks VPD-189-0000779