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Chalking-The photo-oxidation of paint binders—usually due to weathering—that causes a powder to form on the film surface. Chase-A framed enclosed space around a flue pipe or a channel in a wall,or through a ceiling for something to lie in or pass through. Chewed surface-Any painted surface that shows evidence of having been chewed or mouthed by a young child. A chewed surface is usually a protruding,horizontal part of a building,such as an interior window sill. See also Accessible surface. Chip Board-A manufactured wood panel made out of 1"-2" wood chips and glue.Often used as a substitute for plywood in the exterior wall and roof sheathing.Also called OSB (Oriented Strand Board)or wafer board. Cleaning-The process of using a HEPA vacuum and wet cleaning agents to remove leaded dust; the process includes the removal of bulk debris from the work area. OSHA prohibits the use of compressed air to clean lead-contaminated dust from a surface. Clearance examination-Visual examination and collection of environmental samples by an inspector or risk assessor and analysis by an accredited laboratory upon completion of an abatement project,interim control interventions,or maintenance job that disturbs lead-based paint (or paint suspected of being lead-based). The clearance examination is performed to ensure that lead exposure levels do not exceed standards established by the EPA administrator pursuant to Title IV of the Toxic Substances Control Act,and that any cleaning following such work adequately meets those standards. Clearance examiner-A person who conducts clearance examinations following lead-based paint hazard control and cleanup work,usually a certified risk assessor or a certified inspector. Code of Federal Regulations(CFR)- The codification of the regulations of Federal agencies. Column-A vertical structural compression member which supports loads. Complete abatement-Abatement of all lead-based paint inside and outside a dwelling or building and reduction of any lead-contaminated dust or soil hazards. All of these strategies require preparation;cleanup;waste disposal;post-abatement clearance testing;recordkeeping; and,if applicable,reinspection and on-going monitoring. See also Abatement. Concrete-The mixture of Portland cement, sand,gravel,and water.Used to make garage and basement floors, sidewalks,patios,foundation walls,etc.It is commonly reinforced with steel rods(rebar)or wire screening(mesh). Concrete block-A hollow concrete'brick'often 8" x 8"x 16"in size. Concrete board-A panel made out of concrete and fiberglass usually used as a tile backing material. Conduit,electrical-A pipe,usually metal,in which wire is installed. 49930 N Santiam Hwy SE,Idanha,OR 97350 - Page 133