Document Bv7EnEB6DMZe495R160VZZxGj

Data collected by Monsanto Personnel February 2b, iy/*4 to March 5, 1974. / VCM ENVIRONMENTAL DATA SUMMARY OF SUSPENSION AREA DATA Range, PPM A. Air Inlet to Kettle Area 10 - 22 B. Air Exhaust From Kettle Area C. Kettle Area , . . Top Kettles Closed Bottom " M 3 - 12 7 - 60 7 - 51 Top Kettles Open Bottom " " 10 -1730 52 - 500 Result depends on near ness to open manhole D. Slurry Tank Area , . . Top Dumping Bottom " E. Dryer Exhaust duct. Outside . Panel, Inside Desk, Inside- 9 -6500 2 - 116 533 - 594 39 - 67 10 Result depends on near ness to open manholes y F. Compressor Room G. Packcui Area Comp.On Comp. Off 112 - 113 4 5- t H. Smoking Room 0,75 I. Locker Room 14 NOTE: 1. Normal Operation . . . operator exposure, TWA . . . <100 ppm estimated 2. R e v i s e d Op e r a t i o n . . . operator exposure, TWA .. . < 50 ppm estimate*! Time manhole open reduced from 1-11/2 hourr to 5 - 10 minutes G >' r - - r1 VCM ENVIRONMENTAL DATA SUMM.A R Y OF PASTE AREA (BLDG. 841 DATA 2' -- A. Air Inlet to Kettle Area E. Air Exhaust from Kettle Area 3- 7 112 - 133 C. Kettle Area . . . Top Kettles Closed Bottom t! 1 21 - 60 Top Kettle s Open . Bottom I1 ft 65 - 950 100 - 400+ D. Latex Tanks 36 - 113 E. Bldg. 95, Degassing Are a 0.85 - 1.4 F. Raw Material Area 68 G. Packaging Area 0.4 (All kettles closed) (Kettle open) Result depends on prox unity to open manhole 1. Normal Operation. . - operator exposure, TWA .... <200 ppm Eanmatsd 2. 'Modified Operation, .. operator exposure, TWA ...<100 ppm Procedure modified to reduce time manhole is open from 1-11/2 hours to 0.3 - 0.5 hour s. Estimated * \)