Document vK04x98Bd34VY7rZjo1gjXwY

.f . # ^: &jj ' O \ vWitt{amrR?BraJlcylaiid 'Associates * ^`.Ti'^rtVUtOKUtKTAt.HmTH CONSULTANTS IS GRKZN STRUT NEWARK, N. }. 07102 201 622*4246 August 11, 1967 Sprayed Miaeral-.Flber^Kanufacturers. Association, Suite 2300 One Kail Street'----.............. * New York, New York 10005 ^ ^ ^^ c . , ^ * jv* *, Inc tljReV SNVIR6NhENTALr HEALTH INVESTIGATION * v -v--& series o simultaneous air samples were collected during a-ten-tainute/''mineral, fiber; spray application using the products of four manufacturers. The samples r# sr- iifyvi * w were collected at head level at the spray operator's sta- * ir- --.: , * * * * " m tion, and then in a line perpendicular to the surface being sprayed at distances of ten feet, twenty feet and forty feet behind the operator.. Prior to the collection of-"air samples"," the^operator had sprayed a wall and a ceiling for a period of'twenty minutes. Air samples were analysed for the presence of res- pirable-si2e asbestos fibers. The testing was conducted July 26, 1967 at the Smith and Kansler Company plant in w uiuvt: DTQivir-' : Linden* crvutoRusyt*/i nTf-'1' '-r".:' Jersey,...Manufactured products A, C, D and B vere tested in that ordejTa~a spray concentration of ten 4 ** , pounds fiber to ten pounds .water. A twelve-hole spray ft *> nozzle was used. " ,, Following the spraying of the first three products, Stravec. yinsrr- ?rr*sr .nanuracturtrr: and-after a one-hour lunch breah, product B was sprayed at i:nf hi... -i-' the 10-pound fiber to 10-pound water ratio* Then, using the twenty-minute, spray-period- aii'd t'en-minute> sampling period, product B was sprayed at a ratio of 10 pounds fiber to 7.5- pouhds' water-and-again at a ratio of 10 pounds fiber and-S:poundh"water. ; ----- .......... Spraying and Testing Schedule, I-*-Tinie- ..;r ?. . Test-Data lOi'50 a'.a.' Began spraying Product A. : Hi 10 aim-.-- ^* * * > V 11*20 a*m. - Continued- spraying Product A. Began air sampling. * H * *. . .. h . . End of air sampling. ' 11*30 &!& << . fm * m- . 11:50 a.m. Began spraying Product'C. :r* -..v. r-: ; Continued spraying Product C. 'Began air sampling. 12:00 noon End of air sampling. -2 - c 1 lunsum.. fccu wtrsc* . -rt.: -vr.--:... Spraying and Tasting Schedule - Cont'd nJVAV /iT %*VW to wMttl ^ * . >#*W#,, * ^ V< * ..Tima -- _____ ... Teat Data notiJL2 vQr3 g,.m. Began spraying Product D. 12:23^.0..- cnfcontihued spraying .Product D. . Began air sampling* an; arue; c. an-*>f;o,;r ~r -.... . 12:33 p.m. End of air sampling. 1:37 p.m. 1:57 p.m. _r.-:.v.- Began spraying Product B. \ f.f--fi . Continued spraying Product B. a^r sampling. . ;2:07;p.mv&-:r aid of ^air-sampling. .. 2:_08;p.m. Began spraying Product B at 10 to 7.5 ratio. 2:28 p.m..-*..:-Continued. spraying_Product B. Began air~sampling^ 2:38 p.m. End of air sampling. 2:41 p.m. Began spraying Product B at 10 to 5 ratio. 3:01 p.m. Continued spraying Product B. Began air sampling. 3;il p.m. End.of air.sampling. -3 C> Results of Dust Counts Product w* * * * iefti?llfionavof-` Particles Per Cubic Poot of Air sur*,--...... Source* c?10`- Peat-- 20 Peet 40 Peet A* 4.1-` 3.2 2.6 2.0 C 4.4 3.3 2.7 2.1 2 D 4.6- 3.3 2.6 1.9 B 5.3 4.6 3.1 2.5 * * B 5.9 5.2 3.3 2.7 (10" to 7.5} B 6.2 5.5- 3.4 2.8 ZJ (10 to 5) Identification of Products A - Ashestospray S -- Pyrospray -- C - cafco D ;- Spraycraft , o 4