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-9- zero threshold limit value. The complete renegation of the idea that there is a dose-response relationship in the human body. I find this to be quite sinister in effect. With the zero threshold limit value, there has been put forth and shortly to be placed, I believe, before the Secretary of Labor, a recommendation 2 years hence, that the standard will be 2 fibers/ml greater than 5 microns in length. Now two fibers, as an engineer, you might suspect when I show you the slides is going to be rather difficult to exhaust ventilate 2 fibers. I would think of 2 fibers as somewhat a background count in an asbestos shop. I would put forward this point of view, what is the standard deviation among, let's say 10 fiber count technicians for fiber counts. If it's one fiber or three -J you can then play with the deviations between two and five. So playing with words, I find it rather deviant and rather low value and one that has, according to .ti my wining put aside, one thing for us to do in the Navy. That is substitution and that begins what we must now undertake. Whether or not scientific authenticity reigns supreme in Washington, these standards will hold and ve in the united States Navy have always set a pace in occupational health and will continue to do it today. Let aa further complicate the situation. Asbestos is an environ mental flgttth hazard, sot only when you shake out your overalls but what happens ***" you blow it out of the plant, up, down, in the sewer, bow are you going to collect it? I don't even know to this day what the National Emission Standard will be, nor bare I found too much in the literature that tells me how I might collect it frca the local exhaust ventilation. Asbestos fibrils and fibers are very fine matting. They are DUP 0902055