The instant petition was filed with the Board on May 14, 1971.
The exemption was put in as the result of
testimony from the paint manufacturing industry.
Both
flameless atomic absorption spectroscopy and neutron activationanalyses are specified as acceptable methods for determining mercurylevels.
ho::c:~:
is also present in the plant in various instruments and d~:~as thermometers, manometers and electrical switches ‘R.are more than 2,000 instruments in the plant which cc:r’~a±.:~CR.
Allowed
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