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THRESHOLD LIMIT VALUES FOR 1963 ADOPTED AT THE 25TH ANNUAL MEETING OF AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS CINCINNATI, OHIO, MAY 6-10, 1963
THRESHOLD LIMIT VALUES FOR 1963 ADOPTED AT THE 25TH ANNUAL MEETING OF AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS CINCINNATI, OHIO, MAY 6-10, 1963