1973 Colorado lab report on method for detecting asbestos in talc
p. 3
The lab is reporting its methods for detecting asbestos in talc.
The lab is reporting its methods for detecting asbestos in talc.
At trace amounts, the lab concentrates the "impurities" to make the asbestos fibers easier to find.
At trace amounts, the lab concentrates the "impurities" to make the asbestos fibers easier to find.