I MEMORANDUM TO: EftQMi HB: F ile s ?

CAM-227 CAMC-Logiudice-001261 CAMC-Logiudice-001262 CAMC-Logiudice-001263 CAMC-Logiudice-001264 CAMC-Logiudice-001265 CAMC-Logiudice-001266 CAMC-Logiudice-001267 CAMC-Logiudice-001268 CAMC-Logiudice-001269 CAMC-Logiudice-001270 CAMC-Logiudice-001271 CAMC-Logiudice-001272 CAMC-Logiudice-001273 CAMC-Logiudice-001274 CAMC-Logiudice-001275 CAMC-Logiudice-001276 CAMC-Logiudice-001277 CAMC-Logiudice-001278 CAMC-Logiudice-001279 CAMC-Logiudice-001280 CAMC-Logiudice-001281 CAMC-Logiudice-001282 CAMC-Logiudice-001283 CAMC-Logiudice-001284 CAMC-Logiudice-001285

CAM-285 CAMC-Abeyta-002097 CAMC-Abeyta-002098 CAMC-Abeyta-002099

SIERRA FOR COSMETIC AND PHARMACEUTICAL USES sc ien tific a lly GRADED by Los A n5 g5 0e9l eRsA NDO 22, L PCHa lSiTf.

CAM-391 CAMC-Abbott-000247 CAMC-Abbott-000248 CAMC-Abbott-000249 CAMC-Abbott-000250 CAMC-Abbott-000251 CAMC-Abbott-000252 CAMC-Abbott-000253 CAMC-Abbott-000254 CAMC-Abbott-000255 CAMC-Abbott-000256 CAMC-Abbott-000257 CAMC-Abbott-000258 CAMC-Abbott-000259 CAMC-Abbott-000260 CAMC-Abbott-000261 CAMC-Abbott-000262 CAMC-Abbott-000263 CAMC-Abbott-000264 CAMC-Abbott-000265 CAMC-Abbott-000266 CAMC-Abbott-000267 CAMC-Abbott-000268 CAMC-Abbott-000269 CAMC-Abbott-000270 CAMC-Abbott-000271 CAMC-Abbott-000272 CAMC-Abbott-000273 CAMC-Abbott-000274 CAMC-Abbott-000275 CAMC-Abbott-000276 CAMC-Abbott-000277 CAMC-Abbott-000278 CAMC-Abbott-000279 CAMC-Abbott-000280 CAMC-Abbott-000281 CAMC-Abbott-000282 CAMC-Abbott-000283 CAMC-Abbott-000284 CAMC-Abbott-000285 CAMC-Abbott-000286 CAMC-Abbott-000287 CAMC-Abbott-000288 CAMC-Abbott-000289 CAMC-Abbott-000290 CAMC-Abbott-000291 CAMC-Abbott-000292 CAMC-Abbott-000293 CAMC-Abbott-000294 CAMC-Abbott-000295 CAMC-Abbott-000296 CAMC-Abbott-000297 CAMC-Abbott-000298 CAMC-Abbott-000299 CAMC-Abbott-000300 CAMC-Abbott-000301 CAMC-Abbott-000302 CAMC-Abbott-000303 CAMC-Abbott-000304 CAMC-Abbott-000305 CAMC-Abbott-000306 CAMC-Abbott-000307 CAMC-Abbott-000308 CAMC-Abbott-000309 CAMC-Abbott-000310 CAMC-Abbott-000311 CAMC-Abbott-000312 CAMC-Abbott-000313 CAMC-Abbott-000314 CAMC-Abbott-000315 CAMC-Abbott-000316 CAMC-Abbott-000317 CAMC-Abbott-000318 CAMC-Abbott-000319 CAMC-Abbott-000320 CAMC-Abbott-000321 CAMC-Abbott-000322 CAMC-Abbott-000323 CAMC-Abbott-000324 CAMC-Abbott-000325 CAMC-Abbott-000326 CAMC-Abbott-000327 CAMC-Abbott-000328 CAMC-Abbott-000329 CAMC-Abbott-000330 CAMC-Abbott-000331 CAMC-Abbott-000332 CAMC-Abbott-000333 CAMC-Abbott-000334 CAMC-Abbott-000335 CAMC-Abbott-000336 CAMC-Abbott-000337 CAMC-Abbott-000338 CAMC-Abbott-000339 CAMC-Abbott-000340 CAMC-Abbott-000341 CAMC-Abbott-000342 CAMC-Abbott-000343 CAMC-Abbott-000344 CAMC-Abbott-000345 CAMC-Abbott-000346

Jack Travers reported that NioSH has proposed a revised (lower) TLV of 50 meg/cubic meter for crystalline silica.

M r.

TALC ANALYSIS (ASBESTOS) PRODUCT NUMBER PRODUCT ORIGIN DATE C3 //o rfh CtKroh'tJa-- -S'- LAB.

TABLE 1 Instrum ental Methods -- C apabilities Instrum ents ______________ Method Morphology Optics D iffraction Chem ical Analysis* LM: light m icroscope DS: d is p e rsio n staining XRD: x -ra y diffraction SEM: scanning electron m icroscope TEM: transm ission electron m icroscope EMA: elec tro n m icroprobe EMMA: electro n m icro sco p em icroprobe analyzer IMA: ion m ic ro p ro b e >1 /on >5 /un NO >1 /un >1 /un NO ^ 0 . 005 m NO > 0. 001 /un NO >5 /un NO > 0 . 005 /un NO >5 /un NO NO NO YES NO YES NO YES NO NO NO YES YES NO** YES YES YES ^diffraction methods indirectly analyze chem ically by identifying the crystalline phase present; chem ical analysis by electron optical instrum ents may utilize energy o r wavelength dispersive x -ray analyzers **may be fitted with energy o r wavelength dispersive x -ray analyzers waiter c. mecrone associates, inc, @tmheicrosc pe Incorporating "Crystal Front" .

-1 * E A medically oriented "detective story."

Attachment.

Distributed by: Laguna Clay Company 14400 Lomitas Ave City of Industry, CA 91746 1-800-4Laguna info@lagunaclay.com www.lagunaclay.com Material Safety Data Sheet Version: 1.0 Revision date: October 18, 2011 Section 1.

CAM-291 CAMC-Abeyta-002647 CAMC-Abeyta-002648

CAM-312 ITA-Ratcliff-000079

Dear t,fggi Q&Z&ber- 2 9 , Dum m Ogden m s ia to m& m regarding h is com m otion w ith Canada TOsi Company* He wanted m to exp la in to him- why vm dS&cxmtimad zh& saie o f I to ld Dimcm th e o n ly m m o n m gave up th e sa le o f Canada Tala i s because Canada Talc- m s unable to g ive us a guarantee th a t th ese &m n o t any asbestos contom im tion iii th e ir product* X to ld him th a t m could n o t s e l l ta lc in th is c&ofttfy- u n less wo had th a t typ e o f a guarantee JMiban to ld me th a t M s t e s ts , and he gave m some papers to bach i t up, sow th a t v o ile th e re i s tzm a o lito p re se n t,. i t i s non a sb esto sty p e tr m o lite * m h m p r e tty much th e m n e s o r t o f a p itc h th a t V anderbilt is using on th e ir talc The question r e a lly was: Would m be in te r e s te d in i t i f he could g ive us those g u a rm tees?