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So you want to use the National Pollutant Inventory to know and compare heavy metal emissions by source? . Good luck with that!. NPI Heavy Metals Emissions Data Problems. and Suggested Strategies for Solutions. Acknowledgements:.
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Good luck with that!
and Suggested Strategies for Solutions
CEILING DUST REMOVAL COMPANY OWNER: “We have a broken link on our dust removal site because NPI has changed the webpage address and I can’t find the statement: ‘Lead and compounds was ranked as 11 out of 400 [substances considered for inclusion on the NPI reporting list].“
Update 1 April 2010 [Reporting List - Priority Order www.npi.gov.au/publications/tap/pubs/npi-tap-report.pdf] Page 59
the most recent NPI data is for the period 1st July 2005 to 30th June 2006 [and that covers the first 9 months of Esperance Port Authority shipping lead ore] and the:
Comment from the media person in Qld EPA:
"In validating the data Qld EPA basically only checks it against the earlier years' data. I don't think that they check it against data from similar facilities in other states."
“The recent results reported by Xstrata’s Mount Isa Mines in the National Pollutant Inventory (NPI) database are only estimations of emissions generated on site, and they do not relate to exposure in the community.”
[Source: www.xstrata.com/media/news/2008/04/11/1347CET/200804110801.en.pdfAlso see page 16 of www.xstrata.com/assets/pdf/xcu_sus_%20nqld_2006.en.pdf]
- Direct measurement;
- Mass balance
- Emission factors, or
- Fuel analysis
From Architectural Surface Coatings
VOCEmission Estimation Technique
From Architectural Surface Coatings Sold in the Report Period
3.12 Surface Coating
The preparation and coating of surfaces can result in the release of volatile organic
compounds to the atmosphere.
3.12.3 Further Information:
Fugitive emissions from equipment cleaning and solvent degreasing are suitably covered
in other EET Manuals. No other EETs are therefore required.
"Hundreds of kilograms of lead in paint are readily present on the walls of older houses. A 'typical' painting regime is outlined for a house built in 1900, having 280 m2 of wall area that resulted in a paint lead loading value of 103 mg Pb/cm2 such that the wall coatings would contain some 288 kg of lead. A worst case scenario indicated that some 364 to 644 kg of lead in paint on the walls is possible."