TCLP Testing for Container Glassware ASTM C1606-10

TCLP Testing for Container Glassware ASTM C1606-10

TCLP stands for Toxic Characteristic Leaching Procedure, helps assess the level of toxicity of the waste disposed of into the environment to ensure safety. ASTM C1606 determines the substances released during the process of leaching and extracted for chemical analysis.


    ASTM C1606 is one of the most efficient testing methods for determining hazardous waste (lead and cadmium) in the glassware industry and gauges their level of toxicity on people and the environment. It can also determine whether or not an alternative testing procedure is required. As it requires percolation of liquid from the waste, typically glass waste, it can precisely determine the potential risks that can be posed. It also identifies the presence of organic or inorganic analyses in the given sample.

    Test Procedure:

    ASTM C1606 consists of four steps; a sample (container glassware) is prepared for leaching. Leachates are collected for further chemical analysis. The analysis involves the comparison of the waste to the EPA-identified contaminants. On determining the level of toxicity of the glass waste, waste management strategies are devised to minimize the health risk and environmental safety. 

    Specimen Size : 

    The recommended size of the solid waste particle in ASTM C1606 is 9.5 mm. TCLP tests may require particle size reduction if the substantial sample size is more significant than 9.5 mm.


    If the waste is 100% solid (as in this case, it is glass), it is diluted with a volume of an extraction fluid in the ratio of 1:20. The TCLP test includes eight metals for characterization, namely Arsenic, Barium, Cadmium, Chromium, Lead, Mercury, Selenium, and Silver.

    #MetalsTCLP Limit20× TCLP Limit
    2.Barium 1002000
    3.Cadmium 1.020
    3.Chromium 5.0100
    6.Mercury 0.24

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