By Chin S. Yang, Patricia A. Heinsohn
ISBN-10: 0471730939
ISBN-13: 9780471730934
Nice textual content. Very indepth and ditrectly with regards to the subject material wanted. thank you for the speeedy transport and aggressive pricing.
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Example text
Moisture content readings were taken of gypsum wallboard using a Delmhorst Contractor’s Moisture Meter BD-2100 on scale 3 with 2941/A-100 contact 5 -in. penetration according to the manufacturer’s recommendations. ) Moisture content readings were taken at 6-in. increments of the entire accessible plumbing wall. The first set of measurements was taken around the sink plumbing, including above, below, and both sides of the cold- and hot-water supply lines and drainline. No signs of water staining directly below the sink drainline were observed.
In part, all of the relevant areas investigated depend on the type and use of the building, such as, single-family residence, hospital, hotel, school, office building, and retail commercial space. Gloves should be used when actually handling suspect moldy materials. The investigator should have all of the appropriate equipment for personal protection and investigation immediately available as needed. Construction areas may require a hardhat, reflective vest, and steel toe footwear. If significant visible mold growth is evident or independently collected air sample data indicate that the indoor air quality is degraded, then respiratory protective equipment is needed.
A difference of more than 5% of the calibration flowrate is considered unacceptable. 2. BASELINE INVESTIGATION 39 Fig. 6. An example of an air pump flowrate calibration record. air sampling using the Andersen N-6 is usually sufficient. Culturable air sampling for longer periods of time always has to be balanced with the knowledge that desiccation can occur as more air passes over propagules already impacted on the media resulting in a loss of culturability. In other words, lengthier sampling periods may fail to meet the statistical limit of quantification not because the airborne concentration is too low but because fewer propagules remain viable and culturable.
Sampling and Analysis of Indoor Microorganisms by Chin S. Yang, Patricia A. Heinsohn
by Donald
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