Document 0g74QkgenD38NDMXoEmMGZZOM

PB90180746 1111111111111111111111111111111 INDUSTRIAL HYGIENE WALK-THROUGH REPORT PLANT NAME: Cyprus Industrial Minerals Company, Bay Street Mill LOCATION: Los Angeles, California PURPOSE: The National Institute for Occupational Safety and Health (NIOSH) in cooperation with the Mining Enforcement and Safety Administration (MESA) has underway a preliminary study of the talc mining and milling industry. As part of this study NIOSH is conducting walk-through surveys to compile necessary data in an effort to characterize talc composition in the U.S. NIOSH PERSONNEL: Howard R. Ludwig, Thomas E. Sandusky PLANT HISTORY AND PROCESS: Cyprus Mines Corporation acquired the Bay Street Mill from Sierra Talc in 1964. This mill has been in operation since 1919 and currently grinds different blends and grades of talc for use in paints and tile. The Bay Street Mill currently has 9 employees working during 2 or 3 shifts per day. Stockpiled talc (majority of talc is Panamint) is fed into the crusher (passing 3/4" to 2") where it is conveyed by elevator to a bin where it is dropped through a Raymond Roller mill (200 mesh to 325 mesh) before being bagged. If a finer product is required the talc is also passed through a Raymond Vertical mill (4 to 6~ Hegman) and bagged. HEALTH HAZARDS: Potentially excessive dust and noise exposure. PERSONNEL RECORDS: Includes Social Security numbers, work histories, and lost time accident data back to at least 1964 when mill was acquired. RECOMMENDATIONS: 1. An audiometric hearing program should be instituted to ascertain the effectiveness of current hearing protection. 2. Dust levels in the air could be reduced by increasing the exhaust ventilation around the packing machines. REPRODUCED BY: Nt, u.s. Department of Co~merce . National Technical Information Service St-'ringfield, Virginia 22161 CAM-247  : Work Sheet for Preliminary Industrial Hygiene Survey of Plant Name: Cyprus Industrial Minerals Company, Bay Street Mill City, State: Los Angeles, California Survey Date: July 22, .1976 Survey Conducted By: Howard R.Ludwig Thomas E. Sandusky Industrial Hygiene Section Industry-Wide Studies Branch Division of Surveillance, Hazard Evaluations and Field Studies National Institute for Occupational Safety and Health Cincinnati, Ohio i. i , I. General: 1. "Establishment NameCyprus Industrial Minerals Co., Bay Street Mill Location {/21 Address 2143 Bay Street CitY~L_o~s~A~n~g~e~l~e~s~________________ State California Zip Code 90021 Telephone Number 213/622-8986 2. Persons Interviewed Rudolf Arellanez, Superintendent 3. A) Union Representative: John F. Heron ~~~~~~~-------------------------------Title-----------------------------Telephone Number---------------B) Name of Union Teamsters Local 986 5. NIOSH Staff Present Howard R. Ludwig, Thomas E. Sandusky II. Plant Description: - - - - - - - -1. Is plant a subsidiary ____X______ independently owned Name of parent company_____C~y~p_r_u_s__Mi_n_e__s _C_o_r~p~o_r_a_t_i_o__n ____________________ .Legal Owner Cyprus Mines Corporation 2. Date plant built 1919 by Pacific Coast Talc Co .. Acquired 1940 by Sierra Talc, ang in 1964 by Cyprus. Date of plant additions________________________________________________ 3. Acreage of plant _site~ ______________________________________________ 4. Number of major bui1dings_____2________Tota1 Square Feet__20~,0~0~0~______ 5. A) How many people are on your payroll at the present time?__~9~____ B) Of this number, how many are normally in the Production Area? 7 Administrative Area? 2 ---..,;~--- Other Areas?---..;0;...--- 3 ; 6. Number of Shifts 3 on Vertical mi11, 2 on roller mill .. 7. Number of employees/shifts? 5-2-2 III. Description of Process: 1. What are your major products or services? (list) Different 'sizes of talc to be used in paints and tile. 95% of talc is from Death Valley (Panamint) ~--------~------------ 2. Plant Processes A) Product._________________________________________________________ Raw materials and possible contaminants Production Processes The talc ore is shipped in by train and truck and stockpiled in the yard. A payloader feeds the talc into the crusher (passing 3/4" to 2"). Then it is conveyed by elevator to a bin from where it is dropped through a Raymond Roller mill (200 mesh or 325 mesh) before being bagged. If a finer product is reguired the talc is also passed through a Raymond Vertical mill (4 to 6% Hegman) and bagged. B) _Product~ ______________________________________________________ Raw materials and possible contaminants 1/1  Types of Talc Processed ~,~----------------------------------- C-400 2.5 to 3.5 Hegman (paints) C-500 3.0 to 4.0 Hegman (paints) 5% Vanderbilt Talc (soft LB) Furnace Creek 100% Panamint 94.S%to 96.5% passi~g 200 mesh~(~t~i~l~e~)~_______ Furnace Creek Coarse 68.0 to 74.0% passing 200 mesh (Tile) Mistron MSC - Vetical mill 5.5 to 6.5 Hegman (Paints) Mistron T-076 5.0 to 6.0 Hegman (Paints) Mistron F-128 4.5 to 5.5 Hegman (Paints) Mistron 139 4.0 to 5.0 Hegman (Paints) IV. Description of Medical, Safety and Industrial Hygiene Programs: 1. A) Does your company employ an industrial hygienist? Yes, at this location Yes, at corporate headquarters Yes, on a consulting basis Yes, insurance carrier Yes, specify No X B) Name Telephone Number Address C) What types of measurements are routinely taken? Explain. Cyprus Lab is located at 2435 Military Avenue, L.A. Cal. MESA (Jerald A. Droussel) - air samples, noise L.A. County Air Pollution Control - W.R. Anderson, E.R. Johnson D) Were industrial hygiene measurements obtained: Yes_ __ No X 2. Do you have an agreement with a physician to.give your employees emergency or other medical car? Yes, at this _location--ful1-time~ __ Yes, at this location--part-timc---.-- .  Yes, on _____call~.;;.;;X NO_"_ _ __ Name George L. Beharry Telephone Nunilier(213)749 il~~ Address Suite 409, California Medical Bldg . 1401 South Hope St. , L.A. Cal. 90015 3. Do you have a licensed nurse in your facility at a regular time? Yes, Full-time Yes, Part-time No X 4. Do you have an employee at this facility on each shift '''ith formal first aid training, other than doctors or nurses, who has been designated to provide emergency treatment? Yes- - - - - No- - -x - 5. When you hire a new employee, do you require him to take a medical examination? Yes, all employees___X_____ Yes, some employees- - - No- - - - 6. Do you provide any periodic physical examinations for your employees? Yes- -x- - - No- - - - How Often ~-"'--.,...-- 7. Do you provide special job related medical test~ for your emp]~yees, such as: Chest X-Ray Yes X No Hearing Tests Yes No X Visual Tests Lung Function Tests Blood Tests . Urine Tests Other Yes Yes. Yes Yes Yes No X No X No-X- - No X No X Specify: 8. A) Does your company have a formal safety program? Yes X B) Safety and Health Supervisor Superintendent No C) How many people are involved in this program?_--,A:...I~.1 pers-=Tp::..:n:.::n::;e::::.;l:::-._ _ _ __ D) How many lost-time accidents did you have last year? Frequency 1 Severity 6-8 wks off - Dislocated shoulder while shoveling. 9. Has there been any medical abnormalities among workers which can be contributed to an occupational exposure? No _Explain~ ________________________________________________________ 10. What protective equipment is required: Equipment Provided by Employer Clothing Glasses (goggles) Yes- - - Yes X Shoes Respirators Type MSA Dustfoe. 66 Yes X--"~Yes--"X=--- No X No- - No- - - No- - - Where Used Packing and crushing areas Other Hearing protection (plugs), hard hats, gloves 11. A) Are there facilities for taking showers? Yes X ---~- No- - - B) Are there facilities for changi~g clothes? Yes X ----~- No- - - C) Obtained descriptive literature on products? -Yes -- No X '1 -- V. Narrative: 1. Description of Medical, Safety and Industrial Hygiene Program: There is a formal safety program. and pre-employment physicals and annual chest x-rays are required 2. Potential Health Hazards: Dust and Noise 3. Have product lines changed over the years? (If they have, include any other raw materials used). MainfY Panamint talc processed for last 5-6 years. Used to get talc from Grantham Mine (fibrous). 4. ,Are waste products reused: ([f not, how are they disposed?) 5. Briefly describe any past air sampling data. ,. , 6. Completeness of Personnel Records: Social Security Numbers __-~Y~e~s~ __________________________________ ~ Work History __- _ _Y~e~s~ ___________________________________________ Lost Time Accident Data ____-~Y~e~s~ ________________________________ Records Available Since _~1~9~6~4~~~a~t-=le~a~s~t~ _________________________ 7. Ventilation: (Include type, size, kinds of collectors., H.P. of blowers, history of changes, etc.) Ventilation around bagging machines with bag houses to control emission to outside atmosphere 8. Housekeeping: Very little talc spillage on floor noted during walk-through. 9. Miscellaneous: rlVV7ft In REPORT DOCUMENTAllON 1 1_ REPORT NO. 2. 3. P B 9{)- HW 7 4 6 ~____ _~PA~G~E~ _____~________________________~__________-r____________________ _ 4. Title and Subtitle Industrial Hygiene Walk-Through Report of Cyprus 5. Report Date Industrial Minerals Company, Bay Street Mill, Los Angeles, ~____~7~6~/~0~7~/~2:2________~ California, Report No. IWS-036-23 8. 7. Author(s) Ludwig, H. R., and T. E. Sandusky 9. Performing Organization Name and Address Division of Surveillance, Evaluation and Field Studies, NIOSH, Cincinnati, Ohio Hazard 8. Performing Organization Rept. No. IWS-036-23 10. Pro)ectlTaslr/Work Unit No. 11. Contract (C) or Grant(G) No. (C) (G) 12. Spon.orlng Organization Name and Addre.. 13. Type of Report & Period Covered 15. Supplementary Notes 14. 18. Abstract (Limit: 200 words) A walk through survey was conducted at the Cyprus Industrial Minerals Company, Los Angeles, California as part of a study to characterize talc (14807966) used in the United States. Cyprus Mines acquired its present site in 1964. The mill has been in operation since 1919 and graded different blends and grades of talc for use in paints and tile. Nine employees work at the site during two or three shifts per day. Stockpiled talc was fed into the crusher where it was conveyed by elevator to a bin, and then dropped through a Raymond Roller mill before being bagged. If a finer product was required, the talc was also passed through a Raymond Vertical mill before bagging. The employees were potentially exposed to noise and excessive dust. The personnel records at this site included social security numbers, work histories and the lost time accident data back to at least 1964. The authors suggest that an audiometric hearing program should be instituted to determine the effectiveness of the current hearing protection program, and that dust levels in the air be reduced by increasing the exhaust ventilation around the packing machines. 17. Document Analysis a. Descriptors b.ldentlflers/Open-Ended Terms NIOSH-Publication, NIOSH-Author, NIOSH-Survey, Field-Study, Region-9, IWS-036-23, Noise-exposure, Dust-control, Mineral-dusts, Mining-industry, Milling-industry c. COSATI Field/Group 18. Availability Statement (See ANSI-Z39.18) REPRODUCED BY U.S. DEPARTMENT OF COMMERCE I NATIONAL TECHNICAL INFORMATION SERVICE 19. Security Class (Thl. Report) SPRINGFIELD, VA. 22161 22. Security Clas. (This Page) See In.t,.uctlon. on Reve,. 21. No. of Pages I! 22. Price OPTIONAL FOR.. 272(4-77) (Formerly NTIS35) Department of Commerce