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Mobile ViewENVIRONMENTAL HAZARDS - INSPECT, TEST, REMEDY AIR CLEANER PURIFIER TYPES AIR FILTER EFFECTIVENESS AIR FILTERS, FIBERGLASS PARTICLES AIR FILTERS for HVAC SYSTEMS AIR FILTERS, OPTIMUM INDOOR AIR FILTERS, SOURCES FOR AIR FILTERING STRATEGIES AIR FILTERING CONTINUOUS FAN OPERATION AIR HANDLER / BLOWER UNITS AIR LEAK DETECTION TOOLS AIR POLLUTANTS, COMMON INDOOR Air Quality Improvement Strategies AIR LEAK SEALING PROCEDURE AIR SEALING STRATEGIES AIR TEST FOR MOLD: ACCURACY AIR TEST SAMPLING CASSETTE STUDY AIRBORNE MOLD SPORE COUNT ACCURACY ALLERGEN TESTS for buildings ALLERGY TESTS for PEOPLE ALLERGY TEST ACCURACY ANIMAL ALLERGENS / PET DANDER ANIMAL ENTRY POINTS in buildings ASBESTOS CLEANUP COMPANIES ASBESTOS ROOFING / SIDING DUST ASBESTOS FLOORING HAZARD REDUCTION ASBESTOS-FREE INSULATION MATERIALS ASBESTOS IDENTIFICATION IN buildings ASBESTOS AIR DUCTS Asbestos Air Duct Vibration Dampers ASBESTOS in CARPETING, PADDING ASBESTOS CEILING TILES, Asbestos-Containing ASBESTOS DUCTS, HVAC ASBESTOS DUCT INSULATION, Asbestos Paper ASBESTOS DUCTS, Transite Pipe ASBESTOS FIREPROOFING SPRAY-On Coatings ASBESTOS FLOOR TILE IDENTIFICATION ASBESTOS FLOOR TILE Laboratory Procedures ASBESTOS FLOOR TILE PHOTO ID GUIDE ASBESTOS FLOORING HAZARD REDUCTION ASBESTOS FLOORING REMOVAL GUIDE Asbestos Foamed-Over ASBESTOS INSULATION ASBESTOS PAPER DUCT INSULATION ASBESTOS PIPE INSULATION ASBESTOS ROOFING, CEMENT & FIBER CEMENT ASBESTOS ROOFING / SIDING DUST ASBESTOS SIDING CEMENT & FIBER CEMENT Asbestos in unusual places Asphalt-asbestos Paints & sealants Carbon Nanotube Materials TRANSITE PIPE AIR DUCTS Transite Pipe Chimneys & Flues Transite Pipe Water Supply Piping VERMICULITE INSULATION ASBESTOS FLOORING HAZARD REDUCTION ASBESTOS FLOORING REMOVAL GUIDE ASBESTOS List of Asbestos-Containing Products ASBESTOS MATERIAL REGULATIONS ASBESTOS MATERIAL REGULATIONS Update ASBESTOS MATERIAL REGULATIONS, OSHA Roofing/Siding ASBESTOS Photo Guide to Materials / Products ASBESTOS RISK ASSESSMENT ASBESTOS REMOVAL, Amateur, Incomplete Asbestos Removal, Certification ASBESTOS REMOVAL, Wetting Guidelines Asbestos Under the Microscope ATTORNEYS and EXPERT WITNESSES Backdrafting Appliances BIBLIOGAPHY for ENVIRONMENTAL HEALTH, MOLD, IAQ BIOGAS PRODUCTION & USE BIOLOGICAL POLLUTANTS BIOLOGICAL POLLUTANTS in the HOME - EPA BLACK MOLD, HARMLESS COSMETIC BLACK MOLD, TOXIC & ALLERGENIC BLEACHING MOLD, Advice about BLOWER DOORS & AIR INFILTRATION BLUE vs YELLOW COMBUSTION FLAMES Bisphenol-A, BPA BLEACHING MOLD, Advice about BOOK MOLD, Moldy Book Cleaning BOOK MOLD, Moldy Book Cleaning BOOKSTORE - ENVIRONMENTAL BUILDING SAFETY HAZARDS GUIDE CARBON MONOXIDE - CO Carbon Nanotube Materials CARPET MOLD CONTAMINATION CARPETS & PADDING ODORS IN buildings Cell phone Radiation Hazards CHIMNEY INSPECTION DIAGNOSIS REPAIR CHINESE DRYWALL HAZARDS CHLORINE IN DRINKING WATER CHLORINE in WATER, HOW TO TEST FOR CHLORINE IN SEPTIC WASTEWATER COMBUSTION GASES & PARTICLE HAZARDS Diethylstilbestrol - DES DUST ANALYSIS for FIBERGLASS DUST SAMPLING PROCEDURE EMF ELECTROMAGNETIC FIELDS & HUMAN EXPOSURE EMF Levels of Cancer Risk EMF MEASUREMENT PROCEDURES ENERGY SAVINGS in buildings ENVIRO-SCARE - PUBLIC FEAR CYCLES EXTERIORS of buildings FIBERGLASS HAZARDS FIBERGLASS INSULATION MOLD FIBERGLASS PARTICLE CONTAMINATION TEST Fireplaces & Woodstove Contaminants FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP FLOOR TYPES & DEFECTS ASBESTOS FLOOR TILE IDENTIFICATION FORMALDEHYDE HAZARDS GAS EXPOSURE EFFECTS HEATING OIL EXPOSURE HAZARDS, LIMITS HUMIDITY CONTROL & TARGETS INDOORS IAQ ISSUES, OTHER INDOOR AIR QUALITY IMPROVEMENT GUIDE INSULATION INSPECTION & IMPROVEMENT INSULATION IDENTIFICATION GUIDE INSULATION, ASBESTOS INSULATION MOLD LEED Building Designation & IAQ LIGHTING, INTERIOR GUIDE LIGHTNING PROTECTION UFFI UREA FORMALDEHYDE FOAM INSULATION LEAD POISONING HAZARDS GUIDE LEED Building Designation & IAQ LP & Natural Gas Safety Hazards Legionella Legionnaires' Disease METHANE GAS SOURCES MILDEW in buildings ? 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This article assists in the recognition of transite pipe used for water pipes, and discusses potential hazards of this material when it is found in buildings. Transite pipe is an asbestos-cement product which was used for both HVAC ducts and for chimney or flue material to vent gas-fired appliances as well as for water piping in some communities. This article explains the potential health hazards (asbestos exposure by ingestion) as well as practical problems (fragility, collapse, expense of replacement) of cement asbestos transite pipe water piping and we provide citations to authoritative studies of this question. Contact us to suggest text changes and additions and, if you wish, to receive online listing and credit for that contribution. © Copyright 2012 InspectAPedia.com, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use page top links to major topics or use links at the left of each page to navigate within topics and documents at this website. Green links show where you are in a document series or at this website. Readers should also see:
This document assists building buyers, owners or inspectors who need to identify asbestos materials (or probable-asbestos) in buildings by simple visual inspection. We provide photographs and descriptive text of asbestos insulation and other asbestos-containing products to permit identification of definite, probable, or possible asbestos materials in buildings. While an expert lab test using polarized light microscopy may be needed to identify the specific type of asbestos fiber, or to identify the presence of asbestos in air dust or water samples, many asbestos-containing building products not only are obvious and easy to recognize, but since there were not other look-alike products that were not asbestos, a visual identification of this material can be virtually a certainty in many cases. Links to U.S. government and other authoritative research and advice are included. Guide to Health Hazards of Transite Pipe Cement-asbestos Water PipingTransite pipe or asbestos-cement pipes were used for water supply systems in some municipalities up into the 1970's in the U.S. and probably in other countries. In some cities (Ellwood PA for example), the transite water mains were found to be unable to reliably withstand high water pressures (up to 225 psi in Ellwood according to one of our readers) and the pipes were easily broken. Asbestos fibers may be ingested from water supplied through transite water piping. Transite piping deteriorates over time, releasing asbestos fibers from the interior of the pipe into the drinking water flowing through that conduit. The level of health risk from ingested asbestos fibers is uncertain and probably low. An NIH report prepared by industry experts concluded:
Another study by Millette JR et als reported
Vinyl-lined Transite Asbestos Pipe HazardsA more immediate water quality hazard has been detected in some vinyl-lined transite water pipes - Tetrachloroethylene. A report on the Sandwich water district on Cape Cod in Massachusetts reported that
Practical Hazards & Risks of Transite Water Supply Piping MainsLeaks in transite water supply piping underground can result in substantial water losses in districts where this piping was used. Locating transite water supply mains: We've been informed that excavators complain that its lack of metal makes locating transite water pipes difficult - one cannot use ordinary metal detectors. Of course a buried pipe of non-metallic material might be located if it is possible to insert a sending probe inside its length but on a water main this procedure is impractical. Contractors joke that they find transite pipe by using the metal bucket of a backhoe as a pipe detector. Replacement costs for transite water supply piping: because of its age, leaks, fragility, and difficulty of finding transite cement asbestos water supply mains and water piping without also damaging it at the same time, owners of properties and communities served by cement asbestos water pipes (transite) can expect to face increasing costs to replace that piping. Asbesos fiber release hazards during removal of demolition of transite piping are discussed at Transite Pipe Chimneys & Flues. Incorrect spellings of transite piping or transite duct material that we've seen include transit pipe, transit ducts, Transide pipe, transide ducts, tranisite pipe, and transight pipe. "Transite" is the correct spelling. Questions & Answers regarding this article. Ask a Question or Search InspectAPediaHTML Comment Box is loading comments...
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