Document 4aY47MYrepwMjD3DK7gGYOq91

CITY COUNCIL ROBERT J FURLONG W*c* GENEVIEVE H. ANOCRSON CHARLES H. MAIU-IARG JUDITH M ROXON LEONIS C. MALBURC tuc^nonu City Clerk - . - Ludlow 3 16&6 police ocpt. . .! LUolow 7-5267 ILUewow 7-6133 Fic Drrr. . - LUolow 0.2322 Builoino dept luolow 3 oe Emoinkcrino Octt. LUolow 3-1666 Health Ocrr - LUolow 3-1666 CITY HALL 4308 Samta Fc Avenue officer* F A ZIEMCP. C.tr ClKma L R. BURCH. City rnttuMi VINCENT R. ROEON. CTT Attorney ARTHUR t. NELSON. Jm . City Engineer O. O. CRAYSON. Traffic Engineer R. H KING. Suft . Water 6 Sewer Stitch* OR C. C NCMETHI. health 0"<CER J S COLTON Builoino Engineer LESTER C HUSTEO. F%rc C**.s R N. BOCKHACKER. POUCCC-'CF JOHN 6. MOORE. Administrative Oinci* HASKINS 6 SELLS. AuoitoS Vernon 66, Caixfor.ma February 13, 1962 IN REPLY REFER TO: Dept, of Public Health SUBJECT: Laboratory Analysis of "MARINITE" Aluminum Company of America 5151 Alcoa Avenue Vernon 58, California Attention: Mr. Frank Regehr Safety Director PLAINTIFF'S EXHIBIT AL-212____ Gentlemen: During the "marinite" study ve made on January 12, 1962, a sample was retained and submitted to the California Department of Public Health Air and Industrial Hygiene Laboratory for analysis. The results of the analysis are as follows: Quartz - not detected ( less than 51) Dlatomite - approximately 5% Asbestos - approximately 50X (clinochrysotile) Inorganic Filler - approximately 40Z The quartz content and identification of asbestos species were determined by x-ray diffraction methods. Composition of other materials were based on microscopic estimate. In view of the above analysis, we recommend that a Threshold Limit Value of 5 million particles per cubic foot of air be used when designing controls and when making studies of potential exposures to this material. This value is based on the asbestos content. If you have any questions in regard to this report, please ARCH 19183 C*TY Of .VERNON CAUPCBNIA .'Aluminum CoDpany cf America . 5151 Alcoa Avenue Vernon 58, California February 13, 1962 -2- .- IN ptp|_y J?cpp TQ Depc. of Public Health feel free to contact us for additional information. Very truly yours, C. E. Nemethi, M.D. ialth Officer LSH: lv. Louis S. Hau?geerrOORr .S. Dep. Dir. of Sanitation ARCH 19184