Document 7R7NVDvngnk2vJdRaB8wo6Zba

TABLE I EMBARCADERO CENTER AIR SAMPLES Sample Number 54 (A) 51 (A) 49 (A) 47 (A) 2249 (B) 2250 (C) 56 (D) 48 (E) Area Spray operator's BZ M ft ft " (Held near back of head to protect face of ' filter) Stage mover's BZ Area near spray (1-50 feet dis tant, some direct spray on filter) Background area, 43rd floor (air flow past spray-encrusted drapes) Investigator's BZ Mixing Operator's BZ Asbestos f ibers total f/ml f/ml (> 5 7.96 2.63 6.54 2. IS 3.56 1.86 0.030 0.020 0.79 0.775 3.18 1.35 0.02*8 0.016 0.60 0.710 Present tentative occupational threshold limit value of 5 f/ml is based on fibers greater chan 5 micrometers in length. < 000009