Document NezbMvDE6XbBvZj6ema0Jow3D

"JTWEST-PAINE JaJxrtCLtotie* imc. 7979 QSRI AVE. BATON ROUOE. LA 70920 ASBESTOS FIBER COUNT ANALYSIS for DOW CHEMICAL COMPANY Post Office Box 150 Plaquemine, Louisiana 70764 ATTENTION: Jackie Paul February 13, 1987 DO 100563 CONFIDENT!AL lab 87-0703 p ESTPA1NE JaMotatoxleA ikc. 7979 GSPI AVE BATON ROUGE, LA 70820 DOW CHEMICAL COMPANY Plaquemine, Louisiana February 13, 1987 N Two (2) filter cassette samples were received on February 10, 1987 from Dow Chemical Company for asbestos fiber count. Fibers larger than 5 microns in length were counted by means of phase-contrast microscopy at a magnification of 400X. The procedure recommended by NIOSH Method 7400A was followed. SamDle ID. Fibers (>5um) Observed NO. Of Fields Observed Fibers per Filter Volume of Air (L) Fibers (>5um) per c.c of Air Blank *07417 2 102 100 24 981 207,458 *Blank correction made at the fibers/filter calculation. . `fPi-f Ll). t/UijLSf- Philip w. West, Ph.D. Laboratory Director V DO 100564 CONFIDENTIAL