Document 1g68O8xOG5LbYmgQGB49MbmNK

FILE NAME Rogers Corporation ROG DATE 1972 Nov DOC ROG010 DOCUMENT DESCRIPTION Report - Rogers Corp - Asbestos Dust Survey i" ROGERS CORPORATION FIBERLOYS DIVISION 7 BE . LL O's \ _.. . _ _ al _. . f * Lagerberg 00479 ROGERS CORPORATION ROGERS CONNECTICUT . ASBESTOS DUST SURVEY On November 9 and 1972 a team of specialistsof Redacted | ! Redacted conducted an evaluation of the asbestos exposure in the Fiberloys Division usinga mobile laboratory , meetings .. This evaluation consisted of air sampling for asbestos ; 7 respiratory function studies on exposed employees and meetingsmeetings | with management in order to aid your organization in complying with the Asbestos Standard establishebdy the Occupational Safety and Health Act : + We took twelve personal and general room air samples in this T Division and performed 113 respiratory function examinations in a our mobile laboratory The results of our dust sampling were reviewed at the plant during the course of our management con- . ference on November 10 1972 Conclusions Conclusions and recommendations this report based sam of tp he saml pling, i and onn persog nalobobservastions ervations CONCLUSIONS 1 The ceiling Threshold Limit Value of 10 fibers was exceeded in three of the twelve samples collected All three of these - samples were obtained in the Beater Room - 2 The current weighted average Threshold Limit Value of ms -... fibers apparently ---- - + ~~ ~ .- -ne obtained Beater ee - _ ; __. 3.1976proposed Threshold LimLit imit Value of 2 fibers wasapparent thel Beay ter Room see se vem eee en v . eee warin Pm Lagerberg 00480 controls are 4 Immediate engineerining dicated in the Beater ; Room in order to reduce asbestos dust concentrations below ceiling levels 5 A respirator maintenance program should be implemented in the Beater Room in accordance with ANSI Standard 288.2-1969 60 . A medical control program should be initiated for all new current and terminating employees exposed to asbestos dust in concentrations excess of 1 fiber as recommended by -the National Institute of Occupational Safety and Health in - on - their Criteria document asbestos.- ms . I ; ncluded reference -entitled Asbestos Technique 7 - - - -- > :; ~ cece wwwwwww Redacted ve nee eee Joa RGN 12/26/72 cc cactus bbe ewe wevamnaite Gane tit tommnenenen snveneee ct ane te ete ena en Lagerberg 00481 i RECOMMENDATIRECOOMMENNDATSIONS 1. pons - If possible asbestos fibers should be obtained in pulpable bags so that both the bag and its contents could be introduced into the process without the necessity of manually opening - the bags 2 If it is found that pulpable bags cannot be used consideration be soe should given to providing local exhaust ventilation in hood _., . + the form of some type of draft or suspended at soe ees mee re effort capture and remove asbestos ae beater source ~ pee ee fibers at sour efort - -c ----e = ee [ET CS grt wouldventilation ventilation. in periphepr eripy hery ~ of the waste drums which theasbest aso bess tos deposited pulpable practical dust 40 The cleaning and removal of would best be accomplished by vacuum cleaning rather than sweeping Sweeping may generate hazardous dustconcentrations Until engineeer ngi inen erig ng controls prove effective respirators we approved by the Bureau of Mines under Schedule 218 will have to be worn in areas where dust concentrations exceed the Threshold Limit Value 6 A respirator maintenance program should be instituted in accordance with ANSI Z88.2-1969 7 In areas where concentrations of asbestos fibers exceed 10 fibers protective clothing is required This protective clothing should consist of coveralls and head cove- ring Respiratoarrse also needed in these areas -- / ~ 8 Contaminated clothing must be placeidn sealed containers ~ Se CES =" for transfer and these containers must be marked with the commences ere mene mms AS ~ - ~ asbestos warning sign anotifie the clotd hing is 7 -contaminated with asbestos 10- Employees concentrations provide lockd ers for vo, Lagerberg 00482 street and work clothes These lockers should that street clothes do not become contaminated dust be so arranged with asbestos _- i 11 ++ J.) Warning signs designed in conformance with the National Institute of Occupational Safety and Health should be posted throughout the plant where concentrations of asbestos dust a exceetd he Threshold Limit Value rn by trained . In areas where the Threshold Limit Value or ceiling levels een Etm:ay be exceeded monitoring monitoring and evaluation must be performed- every six months This should be done a properly we = AS poo individual , aaa 13 employees and transferred concentrations requirements control program examination within days __...__ individual's exposedconcentrations 4 b 17 chest oo . questisyo stn em qn uea stii onr naie re d Pulmonary function tests to include forced vital capacity and forced expiratory volume in one second It should be noted that any individual who indicates a history of respiratory disease such as asthma bronchitis or emphysema should be carefully medically evaluated before job placement in an asbestos exposure area ; e - 14 medsai mecmea dicl al controls must be performed on all current "7" employees working in these areas be 15 (a -*S- Physical must examinations examinati~ ons o(0 n exposed employees be provided - on a yearly basis ; at a should 167 -Termination physical examinations must also be provided termination of employment include of the requirements of the medicalmedical control program woven nee ve amms . Lagerberg 00483 rr DDISCUSISION SCUSSION eed The purpose of our survey was to aid you in complying with the asbestos standard which became effective on July 7 1972. Air samples were taken to determine dust concentrations and respiratory function tests were performed fulfill one part of the medical requirements - --.- The eventual goal theasbestos is to reduce employee a a _ - should below 2. _".... exposures to 2 fibers air eight working day 2}... possible be reduced this level 00 20h un. e - ngine engie neerir ng coi ntroln s asbg estos dust - concentr of a yourt plani t cao n ben reds uced to levels Thres whichh is theo proposl ed Thrd eshold Limit Value for _ 1976 ___ Discussions at the plant have indicated that it possible to obtain asbestos fibers in pulpable bags permitting both the bag and its contents to be introduced into the process without the : necessity of manually opening the bags It isunderstood that the asbestos fibers along with the containing them would be introduced into a pulper and then to the beater at the a. "" proper time This process would have the advantage of wetting the asbestos fibers before they were introduced to the beater tending to reduce the amount of dry fibers which are now shaken ; loose during the manual handling operations ' <7" If for reason it is found that pulpable bags cannot be used it might be possible to capture and remove the asbestos fibers posible generated during the manual operations by the introduction of 7 some type of draft or suspended hood For greatest effect ~ the should be close possible such a in- - order ~d - ust be withininfluenc--e - ~--- - - hoods Considering asbestos emitted -- into the work atmosphere : thewaste container circumference ..._.. __-.. cont captura ing ani d removn ing asbe estos r fibers frompotential source % Lagerberg 00484  HOUSEKEEP ANI D FNLOG OR CARE . + It appeared from observation that it was the practice of employees to use brooms to sweep up containing scrap and waste Vacuum cleaners or a central vacuum should be substituted for brooms to help avoid the unnecessary generation of dust into the of : work atmosphere The cleaning of machines equipment and structural .. * parts the buildings should also be done by vacuuming for the - , same reason - "". Another sou ofr dusc t ce an be theportable vacuum cleaner itself 7 the not itself al. if exhaust port is provided with an absolute filter ~~~ ~~~ i:U, nfortunately the small respirable fibers can pass through a ~~~ 7 . . vacuum cleaner while the tra dusp t ip s tre appd ed The only way as toinsure that the vacuum cleaner is not itself presentinga hazard to the health of your employees is to have an absolute filter i the exhaust port Needless to say this filter needs be a replaced periodically ; RESPIRATORY PROTECTION concentrations . should respirator areas where they can : become personal dirty from borne dust The use of plastic bags for protective equipment when it is not in use is an acceptable practice ~ . When the use permanent type respirators is instituted each employee should be issued his own respirator and instructed in + its care Each employee should also have a clean place in which ' to store his respirator and the respirators should be maintained |= _ - . in accordance with ANSI Z88.2-1969 200 0 tees of using his respirator in ... employee has the responsibility t accordance with the instructions and training he has received from management Management has the responsibility to see that the respirators are used in accordance with this instruction and training Each employee is responsible to guard against damage Lagerberg 00485 a eee =F + or replaced immediately For asbestos dust concentrations listed by the Bureau of Mines in that it found in your plant a respirator the 21B Schedule is acceptable The employer is responsible for periodically inspecting the :.. respiratorosf all employees for defects including a leak check for ..: Respirators should be cleaned and disinfoencrt ege uld ar basis ~ and storage should be provided each respirator . 2, PROTECTIVE CLOTHING 0 Atte an cnet fee ee we areas where concentrations of asbestos exceed 10 fibers 1 protective clothing is required The most important requirements | eamrpelocyoeveeralls and head covering which should be prov: ided for each e fett ung . . en - other Visitors and " personnel who enter areas where concentrations _ exceed 10 fibers should also be wearing protective clothing ; and head covering A disposable smock would appear to be sufficient for transient personnel LAUNDRY , ot ee ..... Al _ The laundry who washes the protective clothing must be notified writing that the clothing is contamwi itn h a ast bee std os The laundering of contaminated clothing shall be done in such a manner as to prevent release of fibers into the atmosphere -.+! Soiled clothing for the laundry should be placeidn plastic bags and sealed and labeled as containing asbestos The appropriate warning signs should be prominently displayed LOCKER ROOMS " . ~~ me Se, v oo It www.w the employer's respons proi vidb e si epal rati e lt ocky ers - om __ employeee xpos sed -- - 1 - - centrations above the Threshosl houldd .-----.- - becontaminated should ______-.. asbestos - - WARNING SIGNS __ eee ee _ _ __ Signs used to warn against the asbe ofsat sbeo sts os should include _ the design recommended by the National Institute of Occupational Safety and Health Lagerberg 00486 ASBESTOS SCRAP Asbestos scrap containers should be kept closed except when the material is being deposited There appeared to be carelessness on the part of the employees in throwing scrap into these containers This creates unnecessary dust and the practice should be eliminated When a waste container is filled it should be sealed and made ready for disposal ; - MONITORING PROGRAM nee ae coe nae = nen eet tee ee te soe ~ wee ae accordance - _-~ ies the law regular monitoring program must be --~ - theenvironment samples ci +p controls outlined methods - --~ - 1 methods analysis desirable monitoring improvements determine their effectiveness TOOTAttached to the end of this report is a release entitled Asbestos Tech Methn od andi Analq ysis u Techne ique management __ Asdiscussedat the conferenciemplementation oan . i _ medical function is to assist you with the ^ control program and to provide you with the ^ the necessary pulmonary function tests sie | Redacted of a 1 semen, medical ** opportunity to complete 1 Lagerberg 00487 ___ Z ROGERS CORPORATION FIBERLOYS DIVISION ROGERS CONNECTICUT . DATA METHOD OF SAMPLING - 37 mm Millipore Type AA filters _- METHOD Coun - t Coue ntd ed using phase contrast microscope SAMPLE oo a eee he . pee cele SAMPLE 272 Breathing back of : 4 calendar Neil Hart Finishing Room -Trace Breathing 1+ inspecting stacking FinishingDepartment packaging . ir -274 operator Breathing zone dryeG r renier end of > Det : Det 276 Francis Clements - adding asbestos tobeater and cleaning up under Breathing zone of operator of machine 851 R. Trobiak cut TO ts 58 Trace 277 ' _.. 278 _* 278 _ General room sample across aisle from sliding beater in front of double . Beater Room doors- . | _ 7. 8.1 - a 0 General roomsample neanerar wall acrossaisle ss _ from exhaust blower ontop of dryer sss _ Trace 279 Breathing zone of operator atfeedend of a dryer Richard Frechette Not Det ee ; Used Mektron Division Lagerberg 00488 ee - 10 - _ : ee eS SAMPLE NUMBER LOCATION REMARKS FIBERS 283 Used in Mektron Division as 284 _ J 7. Breathing zone of Beater Room employee Saul Ahola adding asbestos to beater 285 " Breathing zone of Beater Room employee Saul Ahola During hour's operation ..286 ~Breathing zone of Beater Room employee- oe mee c Fray ncis Clements adding -asbestosto beater won 2a used io Division 289 {at : Breathingof calendar Skelley Department 26.0 9.4 4.2 ye ae Not 7 : Rd - Lagerberg 00489 - =->-- wey we eee . ve eee a an a ee ce ee ce eee pm eee ene ee ee eee nt we eee ve nee mee a ee tne ce tee eee ee et coe wee eee ce ee s a Ter . FICHER a es et A hy He: 3. . ~ ety >i \_& yt u ral Yi | ... ... ... + = Pe gelep eqs Ny rep wees mea i s eet . . - 2 { Pz) . . a . = 7 White ground ~. Pa 7 Care 1o7e 4t hal a HARIFIL : Nay Cause Cause Oplaced Oplaced Lung Injure Injure : aluati Gone Cancer DO KOT BREATHE PLET we Use only with adequate dilation dilation dilation and . , approved vampiratory protective protective devices cr t e+ ~ ~- - . -- - . . eee ee - cence ccna unmeet e mes ene cn geen ee eam ems enna canner rat eH gi ee catetae i cee ee ee - , F _ a . ae Be ee ee : wees *e fon * Number are in hack . i Lagerberg 00490 Introduction A Introduction Introduction Introduction Introduction Introduction The purposes of sampling an borne contaminant such as asbestos are to determine the time weighted average employee breathing zone exposure as well as to determine the sources of the exposure . . The exposure employee determinedbysamtap ken nel ar hie s s Source exposures breathing zone SourceSourceexpexpoosuressexpousurers esadreeterminedin part by general oomair samples taken near a suspected source __. ra The sampling equipment and analysis are the same in both cases * Principles of Sampling In order to collect a sample representative of borne dust which likely to enter the subject's respiratory system it is necessary to position a collection apparatus near the nose . and mouth of the subject or in his breathing zone - oe 1 ~emeaeenemee, come eee - ose we aa tt fo wet ee ee eee eee ee en . > ~~ we ctteee _ The concentration of dustin the air to which a workeris exposed- wee ee will willdepending naturenature the operationupon the type of work performed performed by the operator and the position of the operator relative to the source of the dust The amount of dust inhnted by a worker can vary daily seasonally and with Lagerberg 00491 the weather In order to obtain representative samples of workers exposures it is necessary to collect samples under varying conditions of weather shift on different days . and at different times e during a The percentage ofworking times spenton different tasks will affect _ the concentrationsofdusttheworker inhales since "the different tasksusually result inexposure concentrations The percentage cancan determined schedules observation of routines average weighted exposure can be determined by using Hours Hours cone look of actual hours worked average average concentration The concentration of any air contaminant resulting from an industrial . operation also varies with time Therefore a longer sampling time will better approximate the actual average -, following ~~." With the-following recommended sampling procedureit is possible - ~ sampling to collectsamplesat theworkers breathingbreathing zone forperiods ss from to 8hours thus permitting the t evaluationof average desifr ull 8 ha our shib ft shift -l - desirabe le desirableand 5 mh -recomended -recommended procedure procedure : Furthermore Furthermore Furthermore Furthermore chrst chrst exposures of more more Lagerberg 00492 rane neunramaas ry ? - 0 -3 ~ . e normal pat ern 2, samplers ,...,... use samplers samplers samplers . ; ,... evaluating daily exposures samples should be collected as near as possible to the workers breathing zone . ~ samples room air General should be taken to identifysources se ofexposuresas well as determine the levels to peoplepeople passing through the area areexposed wee ee ee ee e forSampling Sampling Necessary Equipment 1. Sampling pump preferably battery operawitthetd he capability he drawing 1-2 liters per minute through a filter ' 2 One hose approximately 2 feet long 3 One hose to filter adapter 4 4 37mm Millipore type AA filters mounted in an open filter holder 5. Timer ee - Collectingthe Sample _ - mee ee mm nme em mee tame trae ei wm emt Check sampling t buttorios operative that the ; : have a sufficient charge for theanti. cipated sampling time Redacted - a . i 00493 _ Redacted ' cof - | Lagerberg 00493 __ nae ry eran os) Time tere 2 Connect theintet 3. Connect the other end of the hose to the filter hose adapter -- -- Remove red plug from filter holder assembly attach ; filter adapter to the assembly -~ 5. _ Attach pump to belt employee atand run hose over ee one shoulder sr employee eng opposite _ __ 6 Attach filter toemployee's lapel Be sure that the filter holder is not pointing upwards a. 7 Remove clear plastic cover over filter cover in which blue plug is inserted 8 Turn on pump and timer Adjust to desired air flow usually 2 liters per minute \ 9 While the sample is being taken observe the worker to identify dust sources from his work practices or equipment 10. a sample been collected . whee t a ied cover and remove f+ ilter assemblyfrom adapter -= = Sampling Tim~ : The samplinttigmie me will be determined by dust concentrations in Ly the air High concentrations require a shorter sampling time A melirtmiem sampling time of Lagerberg 00494 15 intrintes is required required to determine ? RS a eee Te | ly "oi y + exposu asr bestose dust In order to determine average employee exposures sampling time should range from a minimum of 90 minutes at 2 liters per minute to a full 8 hours at 1 to 2 liters per minute| -""" Work schedules and previous sampling experience dictate the ' ya SAMPLE ANALYSIS ANALYSIS aie a ~ - Mounting the sample zi The prepaired dissolving membrane milliliter of 1 solution of dimethyl phthalate and diethyl oxalate The index of refraction ' of this medium thus prepared is ND = 1.47 To prepair a sample for microscopic examination a drop of the - mounting medium is placed on specially cleaned standard 25mm x 75microscopic slide A shaped piece lean reglet ngth h ~ of about 1 centimeter is excised from the filter with a scapel solution A mumber 1 coverslip cleaned with Iense tissue is - placed over the filter filter wedge Slight pressure on the coverslip coverslip achieves conturatbetween and the mounting The sample Lagerberg 00495 T ~T nS cole ie examined as as transparent ; howover a waiting time of at least 20 minutes is advisable . . . The optical homogeneity of the resulting mount is nearly perfect with only slight background granularity undorphase contrast which disappears disappears The- ee ees within one day withindays mounting sample shouldcounted. Cee andi - Be nn nn if Evaluation of the Sample The filter samples mounted in in a mannerdescri abb oveead re evaluated ... ... ... ... in terms of the concentration of asbestos fibers greater than 5 : microns micro meters in length A microscope equipped with contrast optics with a four millimeter high achromatic objective is suitable for this determination TOX eye pieces one ofof which contains a Porton or other suitable reticlaet the level of the limiting diaphragm should be used The left half of the Porton reticle field serves to define the counting area - of the field Twenty fields located at random on the sample are counted and total asbestos longer fibers- than 5 microns are- -recorded particlehaving anaspectratio of3 greater vo ee nee ee _ considered cena ce me on . Tete teen meereintttemensee etteianaee ~ tenes vo ge fas The following formula is used to calculate the number of fibers per milliliter assuming the use of the milliporo 37mm typo AA Filter said the optiesdescribed above Lagerberg 00496 ae TTT oa) ee eee ee ee ee ee ee -7--7- mee va sampling average fibers K fibers rate in liters x sampling time in minutes Where K = 1/1 J used If a different filter of optical system is X = Filter area sf Field are 5 = iy 7 / 1,000 As fields asrequiredtoyieldat least100fiberstotal -mete mes ome -_ count should counted general the minimum minimum number Cee memes maximum t _ an There may difficulty in counting a field containing over 20 fibers because in addition to the fibers being counted there are also present a number of grains which interfere with the accuracy of the count Calibration of Sampling Pumbs The accurate calibration of a sampling device is essential to the correct interpretation of an instrument's indication The frequency of calibration is somewhat dependent on the use care and - handling to which the pump is subjected Pumps should be see | mot calibrated theyhavesubjected to havo misuse -- ---_ repairedmanufacturer If hard _ usage isgiven the instrumenitnstrument instrument , more frequentfrequentfrequent calibration calibration be : my necessary Lagerberg 00497 Y wegen ry an! ce en ee ee sf. aegqee < cece eee nee vente eee pe gee The use of an accurate rotoauter should be sufficient to check _ the pump's calibration To perform this calibration the rotometer is placed in free air that the air low in first through oo. the calibrating rotometer second through the ilor and third __ retotm he re ett ome etr er the ramp itself itself The filter should be prepared as described under coming coming racedure The rotometer will indiente the air flow to the lign The rotometer uc. should have a range of 0.6 1pm to 6 11 . . Lagerberg 00498 v ee T ROGERS CORPORATION DUST SURVEY Ex L 42fl 7 Plant Fiberloys Pump No. Sample No. 2 148 Results cc Date Counted 1.18 1.18 Survey for Type of Contaminant Asbestos Grade Location 3590 Beater Room -- Pulper . Date 2/9/76 | | Time Start _ 9:52 Time End - 10:30 - Total Time 38 minutes Sampling Rate 2 ' Sample Volume 76 _ AREA Personal Sample XXX Name _ Edward Max _ Conditions and Operations 1. Loading Pulper 2 bags chrysotile 12 bags crucidulite 2. Splash on cassette - avoid min liters Tentative Recommendations - 1 Ae ee Se ma e tN ye ' Lagerberg 00499 ROGERS CORPORATION DUST SURVEY Plant Fiberloys e . Pump No. Casella 045 Sample No. Results c0 148Y 2.05 . 2.05 Date Counted Survey for Type of Contaminant Asbestos Grade D3590 Location Beater Room - Pulpe Date 2/9/76 Time Start 871 . Time End - 89503 Total Time 2318 minutes . Sampling Rate 2 min AREA . Personal Sample . Sample Volume 46.5 XX Name _ Judy Neal liters Conditions and Operations 1. Truck driver and helper 2. Loading pulper during test 2 bags chrysotile 12 bags crucidulite Tentative Recommendations CT er ~~ Lagerberg 00500 ROGERS CORPORATION DUST SURVEY Plant Fiberloys . Pump No. Casella 045 Sample No. 149Y Results ficc 0.10 Date Counted Survey for Type of Contaminant Asbestos Grade Location 3102 Calender Feeder Date 2/9/76 Time Start 89503 . Time End 95049 -Total Time 5546 minutes Sampling Rate 2 AREA Personal Sample ' Sample Volume 111.5 . XX | Name Norma Mooney min liters Conditions and Operations 1. No Dust - Material well bound Tentative Recommendations Lagerberg 00501 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Pump No. 2 Sample No. 148 Results cc Date Counted Survey for Type of Contaminant Asbestos Grade Location 3590 Beater Room - Pulper 1.18 Date 2/9/76 Time Start Time End 9:52 10:30 Total Time Sampling Rate * Sample Volume 38 minutes 2 76 AREA Personal Sample XXX Name _Edward Mag Conditions and Operations 1. Loading Pulper 2 bags chrysotile 12 bags crucidulite 2. Splash on cassette - avoid min liters Tentative Recommendations Lagerberg 00502 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Pump No. 2 Sample No. 149 Results ficc Date Counted Survey for Type of Contaminant Asbestos Grade 3102 . Location Inspection 0.30 Date AREA 2/9/76 . Time Start 10:53 . Time End Total Time 11:49 minutes Sampling Rate 2 Personal Sample - Sample Volume 112 XX | Name Ted Billings Conditions and Operations 1. Well bound sheet min liters Tentative Recommendations - Lagerberg 00503 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Division Pump No. 2 Sample No. Results cc 110 .248 Date Counted Survey for Type of Contaminant Grade - 3590 3590 Asbestos Crocidolite Location Beater Room - Pulper - Date May 30 1975 Time Start 1:15 Time End 1:55 Total Time 40 minutes AREA Sampling Rate 2 Sample Volume Personal Sample XXX [ Name Ray Courte anche min liters Conditions and Operations 1 Furnished 12 bags crocidolite Let bag plastic go in pulper Fish out with hook Wash clean Bag wet placed in barrel for disposal Very careful not to get asbestos on floor Operators wet down floor before cleaning Washed skid One cycle 14 hours until next Tentative Recommendations 1 1 Lagerberg 00504 aie eet ROGERS CORPORATION DUST SURVEY Plant Fiberloys Division Division Pump No. 1 Sample No. Results cc 111 , 229 Date Counted Survey for Type of Contaminant _ Asbestos Grade - 3590 Location Beater Room - Pulper Helper Date May 30 1973 Time Start Time End 1:19 1:59 Total Time 40 minutes Sampling Rate 2 min Sample Volume liters , t AREA Personal Sample XXX Name Don Eliber Conditions and Operations Same as Sample No. 110 Tentative Recommendations Lagerberg 00505 .T NO 7919-9 PAGE 1 INTRODUCTION Two 2 airborne asbestos dust samples were taken by Mr. Edward J. Sweeney Manager of Process Engineering of Rogers Corporation Rogers Connecticut The samples labeled Numbers 65 and 66 were analyzed to determine the asbestos concentration in the sampled air RESULTS The following pages include particle count data and Rogers Corporation dust survey sheets Analytical results are tabu- lated below Sample No. 65 66 Fibers .40 .40 .42 Filter 61,071 64,125 Liters Sampled f 58 42 Fibers 1,05 1.53 NOTE Fibers counted are greater than 5 microns in length CALCULATION A. F Af Af EFA where F = Fraction of filter analyzed Nf = Number of fields of view counted Af = Area of field .0056 mm EFA = Effective filtration area in mm 855 mm B. Ntf - No F V 1000 where Ntf = Total number of fibers of air No = Number of fibers counted in Nc fields V = Volume of air in liters YORK RESEARCH CORPORATION ce ee YORK STAMFORD CONNECTICUI Lagerberg 00506 REPORT NO 7919-9 : PAGE 2 ICH_WST_SHOVEL ryt ss OF PT 2. ICH_WST_SHOVEL Saas me Ree PT 2. ICH_WST_SHOVEL ICH_WST_SHOVEL ICH_WST_SHOVEL lu.Fiberloys Division ey Ro 2 ste uneono" Chie Ro Sb 6655ee Ers e et _- . Nobiles Nobiles Nobiles ce | 1.05 1.05 Love 07 am quceemsm enmt pete ires s 6/14/74 6/14/74 2016 Comt | 4 aman coors gercay fer: 599 * fates coe net | Asbestos | nee Ae ae RNS OE REI | + Re 171 171 Haople Bu 3590 Grafes Ore weet noe 7 meee oe - 8k ten Se Oe oe UGE gene Ae Ra RR ST locatin ~ 8 pulper . rm 8 ee ee OE BUR CRITI, ED ts Jase: Seeat 8:48 me ee enor eet ee we 9:17 Ti Zad 1 Rew Total TimTimee Oe 29 minutes er a or ete Rees hel smelt " TREA TREA L _l PersonalSampiz i XX _. ~ ae Sompie Valuma -58 gsae James Larkin news litera : rh asbestos to pulper plastic puaes of crocidolite =" packed in bestos ae # - pulpable 2. Operators wears mask 3. Charges plastic bag Sy Or eara tee + Mn oat - : aeenee. ? so ree on et LLL Deum ee ete Cw k ew and all then pulls out the plastic Lagerberg 00507 | , REPORT NO 7919-9 PAGE 3 Fiberloys Division June 6 1974 eaten +4 Bow Tas 2 - rep ww ee pEovee Betgte pb. __. 66es a a, * La ee ot oe AO . 1.53 Pasits cc 6/14/74 6/14/74 6/164/174/74 6/14/74 Err. Comted Las a0 ae eee Zer 35 Powe fi s Ch Moaavk wa wkd Asbestos hina ey re | [a nine Asbestos TtTEDs D. ae . eee ce ae a ot 1 <- te weennen Pele ne toe ne ee ET Time Start ee AM 11:40 a11:40 ee enn im Tina Ind 12:01 PM _ Patel be 21 minutes atie Stapling Late ween Sepia Sepia Volume etrnder Laganfe= liters + Non James Larkin ; nat ee Asbestos opened a ae OE ; to pulper , - crecidolite - plastic paperbestos paperbestos as ags 5 - pulpable Operator wears mask : ete tacisc "OS. er Oe o on Ms aatrts a + te ne - meee _ 8 cat Ya hE Ble ee ce eed 1 Lagerberg REPORT NO PAGE 3 AIRBORNE ASBESTOS FIBER COUNT FOR ROGERS CORPORATION ROGERS CONNECTICUT BY YORK RESEARCH CORPORATION ONE RESEARCH DRIVE STAMFORD CONNECTICUT 06906 ~ YORK RESEARCH CORPORATION YORK a STAMFORD CONNECTICUT Lagerberg 00509 , REPORT NO 4 PAGE INTRODUCTION Five 5 airborne asbestos dust samples # 148 J Sweeney taken under the supervision were and blank of Mr. Edward J. Sweeney Manager of Process Engineering of Rogers Corporation Rogers Connecticut These samples were analyzed to determine the asbestos concentration in the sampled air RESULTS The following pages include particle count data and Rogers Corporation dust survey sheets Analytical results are listed below Sample No. 148 148Y 149 149Y Blank Fibers .64 .68 .24 .08 1.00 : Liters . Filter Sampled Fibers 89,705 95,311 33,639 . 11,213 0 76 46.5 112 : 111.5 0 1.18 2.05 0.30 0.10 0.00 YORK RESEARCH CORPORATION d * -_ STAMFORD CONNECTICUT _ Lagerberg 00510 -- -- ---- REPORT NO PAGE S METHODOLOGY Sample examination utilized phase contrast microscopy techniques and NIOSH procedures throughout The counting field area was equivalent to 0.0061 mm The optics consisted of a Porton 45 x phase objective lens a 10 x ocular lens and a reticle ~ Fe. e- Calculation of airborne === 1 C1 === F W A concentration m 2. C asbestos fiber = FW A where Cj, = airborne fiber concentration in fibers 5 cfimlter Cz = airborne fiber concentration in fibers 5 / filter F = average fiber count in fibers 5 field B = average fiber count of blanks control filters fibers in > 5 field W = 855 mm for 37 mm diameter filter portion of effective filter mounted counting A = the area of the field of a calibration reticle expressed in field ' .V = total air volume collected through filter expressed in milliliters -from USPHS Membrane Filter Method '74 Prepared by . , ; > | Approved by oe. ' Tested By Douglas Newar Rand Douglas Newhard Environmental Biologist Manager Chemical Facilities Michael Horowitz Senior Chemist YORK RESEARCH CorporATION STAMFORD CONNECTICUT Lagerberg 00511 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Pump No. Sample No. 2 anaanedl 148 Results cc Date Counted Survey for Type of Contaminant Asbestos Grade Location 3590 Beater Room - Pulper 1.18 1.18 Date 2/9/76 Time Start Time End 9:52 10:30 AREA Total Time 38 minutes Sampling Rate 2 Sample Volume 76 | Personal Sample | XXXXXX Name __ Edward Max Conditions and Operations Loading Pulper 2 bags chrysotile 12 bags crucidulite 2 Splash on cassette - avoid min liters Tentative Recommendations Lagerberg 00512 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Pump No. Casella 045 Sample No. Results ficc 148Y _ 2.05 Date Counted Survey for Type of Contaminant Asbestos Grade D3590 Location _Beater Room - Pulper Date 2/9/76 _ Time Start 45 871 Time End 89503 Total Time Sampling Rate Sample Volume 2318 minutes 2 46.5 min liters AREA Personal Sample XX | Name Judy Neal Conditions and Operations 1. Truck driver and helper 2. Loading pulper during test 2 bags chrysotile 12 bags crucidulite Tentative Recommendations __ Lagerberg 00513 ROGERS CORPORATION DUST SURVEY Plant Fiberloys Pump No. 2 Sample No. 149 Results cc Date Counted Survey for Type of Contaminant Grade 3102 . Asbestos Location Inspection 0.30 Date AREA 2/9/76 Personal Sample XX Time Start 10:53 Time End Total Time Sampling Rate 11:49 56 minutes 2 Sample Volume 112 Name Ted Billings Conditions and Operations 1. Well bound sheet min liters Tentative Recommendations - _. Lagerberg 00514 ROGERS CORPORATION DUST SURVEY Plant Fiberloys ; Pump No. Casella 045 Sample No. Results cc 149Y 0.10 Date Counted Survey for Type of Contaminant _ Asbestos Grade Location 3102 an, Calender Feeder Date 2/9/76 AREA Personal Sample Time Start 89503 Time End Total Time Sampling Rate 95049 5546 minutes 2 Sample Volume 111.5 : XX | Name Norma Mooney min liters Conditions and Operations 1. No Dust - Material well bound Tentative Recommendations Lagerberg 00515