ASTM Updates Standard for Paint Testing
ASTM International announced that its paint and related coatings, materials and applications committee (D01) has approved a new standard designed to determine the presence and quantify the amount of lead in new enamel paint samples.
The standard, D8661, introduces a method using X-ray fluorescence (XRF) as an alternative to techniques such as inductively coupled plasma–optical emission spectroscopy (ICP-OES). The organization said the approach is less expensive, requires less time and eliminates the need for complex sample preparation such as acid digestion.
Lead in new paint remains a concern for human health, particularly in regions where regulatory limits are not enforced or where testing capabilities are limited. The standard supports the 90 ppm limit recommended by the United Nations Environmental Programme’s Model Law and Guidance for Regulating Lead Paint.
According to ASTM member Caryn Seney, XRF analyzers reduce reliance on conventional spectrometers and associated maintenance requirements. The method is intended to expand access to testing in low- and middle-income countries where resources may be limited.
“The new standard provides a tool that regulators and scientists can use to limit exposure to lead and lead-based compounds, reducing the risk associated with lead-based paint,” said Seney.
ASTM said stakeholders across manufacturing, industrial and academic sectors are encouraged to participate in interlaboratory studies to further validate the method.
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