Document ZB0EpKpp81DbGzopmDwzye31Y

FILE NAME: Asten Hill (AH) DATE: 1959 DOC#: AH029 DOCUMENT DESCRIPTION: PA Dept of Health Report ' Commonwealth o f P e n n sy lv a n ia ' Department of H ealth D I V I S I O N OF O C C U P A T I O N A L Md LC fJH 1C Report o f Survey A s te n - H ill M an u factu rin g Company R oberts & Henry Avenues P h ilad elp h ia 29, Pennsylvania At th e r e q u e s t o f Mr. Donald R. Holmes, s u p e r in te n d e n t, a su rv e y was made t o d eterm in e th e e x te n t o f th e a s b e s to s d u s t h aza rd in th e p la n t. The survey was p e r form ed d u rin g th e summer o f 1959 w ith th e c o o p e ra tio n o f p e rs o n n e l o f th e p l a n t . RSCOM-GJDATIONS Based on th e f in d in g s o f t h i s s u rv e y , no recom m endations a r e n e c e s s a r y . DETAILED FINDINGS The company was engaged in th e m a n u fa c tu re o f a s b e s to s t e x t i l e p r o d u c ts . As - such th e re ex isted a p o te n tia l asbestos d ust exposure a t the v ario u s operations involved such as th e p ic k e r, card in g m achines, tw is te r s , w inders, and weaving loom s. / A tm ospheric sam ples w ere c o l l e c t e d w ith t h e G reenburg-S m ith im p in g er 2nd d u s t cotants were perform ed by means o f th e l i g h t - f i e l d te c h n iq u e . Table 1 giv es th e d u st con c e n tra tio n s as found a t th e tim e of th e survey. These co n cen tratio n s in d ic a te 4 th e measures u ti l i z e d to c o n tro l th e d u st were fu n c tio n in g s a ti s f a c to r il y , and i compared fa v o ra b ly w ith c o n c e n tra tio n s found in p rev io u s surveys in th e p la n t. th a t The company i s engaged i n th e p la n n in g o f p ro c e s s m o d ific a tio n s w hich may reduce a i r borne dust to even low er le v e ls . P a rtic le s iz e measurements o f th e d u st given in Table 2 in d ic a te th a t the dust i s capable of e n te rin g th e lu n g s and bein g r e ta in e d . Since even w ith low con c e n t r a t i o n s o f a s b e s to s d u s t , c a s e s o f a s b e s t o s i s may o c c u r i n ex p o sed w o rk e rs, i t i s n ecessary th a t th e p la n t continue w ith i t s m edical program in c lu d in g the p erio d ic ch est X -ray of exposed perso n n el. AHD 0 0 0 0 6 3 9 #11 Department of H ealth DIVISION OF OCCUPATIONAL.HEALTH Table 1 Dust C oncentrations S am pling lo c a tio n Condenser P ic k e r A s te n - H ill M an u fa c tu rin g Company Roberts & Henry Avenues P hiladelphia 29, Pennsylvania ns-'i Dust (m illio n s o f n a r ti c le s Der cubic fo o t of a i r ) Sample Average 2 .8 3 .0 3-1 2 .8 3 .3 f 1 .6 2.7 2 .6 3 .8 Card, j/6, t a k e o ff end - Card #2, ta k e o ff end 3 .2 3 .1 M 2 .5 3 .5 - / 2 .6 3 .1 2 .2 4 .4 Card #4, ta k e - o ff end 1 .6 2 .2 2.1 4 \i ;1S 2 .4 G eneral atmosphere 1 .7 Feed end, card s 1 and 2 2 .4 3 .8 2.6 3 Between card s #5 and 6 2 .9 2 .6 2.8 1*1^ a A isle , n ear tw is te r #2 0.96 1 .5 2 .1 Between #L and 2 tw iste r s 2.3 3.1 3 .3 2.9 AHD 0 0 0 0 6 4 0 Table 1 , continued S am pling lo c a tio n Ceneral atmosphere Between #8 and 9 tw is te r s 4 Between #4 and 5 tw is te r s Between #7 and 8 tw is te r s - U niversal w inders #3 and 4 #7 and 8 w inders #7 winder #6 w inder Between looms #13 and 23 * Loom #14 Loom #25 - 2- D ust* (m illio n s of p a rtic le s per cubic foot of a ir) Sample Average 3 .6 4.4 2 -3 ^ 5.2 2 .3 3.6 5.6 a. <a. 3 .1 3 .3 2 .5 2. . o '"/ 1 .7 * I O 2 .8 3.6 5 .6 3 .1 -1 ' 3 .0 2.7 1 .6 .1 3 .7 4.1 3.8 2. / 0 4 .1 3 .3 / 4.1 3 .5 2. o 3 .9 2 .6 3 .6 0 .6 1 .5 0,83 .2 4.6 1.9 2.9 1*^ 0 .5 4 .0 2 .2 3-1 AHD 0 0 0 0 6 4 1 Table'1 , continued S am pling lo c a tio n Loom 19 Dust (m illio n s of p a rtic le s Der cubic foot of a ir) Sample Average IU 7 1 .4 1.6 1 -0 1 .9 1 .6 Loom #3 Loom #5 1 .0 2.5 1 I 3 .3 1 * 3 .3 2.7 . 2.6 3 -I 2 .2 2.8 Loom #22 3 .1 3 .0 Loom #33 3.2 3 .0 3 .7 F ro n t o f loom #L4 2.2 1 .2 2 .2 Loom #28 3 .5 3 .0 1 1.-3 . 3.3 / 1.9 /. ^ 3, z Loom #1 4.1 /- ? G eneral atm osphere, 2 .2 weave room and w inding 0 .6 room 1#6 1 .5 ^Maximum a llo w a b le c o n c e n tr a tio n f o r a s b e s to s d u s t : 5 a i l l i o r . p a r t i c l e s p e r c u b ic f o o t o f a i r , b ased on an 8 -h o u r w orking day AHD 0 0 0 0 6 4 2 Table 2 owi.uuuuwt:uj.Lii re n n sy x v a n ia Department of H ealth DIVISION OF, OCCUPATIONAL HEALTH P a r t i c l e Size M easurements A s te n - H ill M anufacturing Company R oberts &Henry Avenues P hiladelphia 29, Pennsylvania S am pling lo c a tio n P ic k e r Loom #22 Card #4, ta k e - o f f end Card #4, feed end Between tw is te rs #1 and 2 - February 24, I960 PCH:gu Median p a r t i c l e size (m icrons) 1 .0 5 1.06 1 .0 3 1.06 1 .0 7 S ta n d a rd d e v ia tio n 1 .9 1 .7 4 1 .7 5 1.75 1 .8 2 t Survey b y - W alter L. G rice 4 In d u s tria l H ygienist W illiam H. T ay lo r u/ In d u s tria l H ygienist AHD 0 0 0 0 6 4 3