Document mpGwvB7VR6wG51jMz2JGZv9Kd

PHONE (314) 771-7111 INDUSTRIAL TESTING LABORATORIES, inc. 2350 SEVENTH BLVD. . ST. LOUIS, MISSOURI 63104 I'LAI.N'TIFP'S exhibit BOND-103 September 25, 1973 Mr. Doug Hood Reardon Company 3616 Seerlet Oak Kirkwood, Miasourl 63122 Deer Mr. Wood: Per your request, you will find enclosed two (2) coplee each of our Report Nos. 27-6-428 and 27-7-398. The dust sample collected on July 10, 1973 shows the operator exposure at 0.03 fibers per milliliter (or cubic centimeter) of air, to be substantially within the allowable 8 hour time weighted average exposure maximum of 5 fibers per cubic centimeter. The sound level measurements made on June 7, 1973 show three. (3) plant areas to be subject to'the exposure restrictions given in table G-16 of the October 18, 1972 Federal Register, page 22138. Table G-16 Fermlaaable Noise Ixposura Duration, per day, hours Sound Level d BA (slow response) 8 6 4 3 2 1% 1 % or less 90 92 95 97 100 102 105 110 115 rf Rsspectfully submitted, INDUSTRIAL TESTING LABORATORIES, INC. /hj Reports paid for 8/31/73. CHFMIRTR ENGINEERS M. P. Fuller BON-00930 METALLURGISTS