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NZS 5201 PDF
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Use of the Ringelmann and miniature smoke charts
| Published by | Publication Date | Number of Pages |
| NZS | 12/31/1973 | 8 |
NZS 5201 – Use of the Ringelmann and miniature smoke charts
Explains the purpose and method of use of these charts for the visual assessment of the darkness of smoke emitted from chimneys.Identical to BS 2742:1969 with modifications for New Zealand.
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