The big problem with the inhalation of asbestos fiber is that it leads to lung cancer (mesothelioma).

Correlation of conversions and elimination pattern of PCBs with different chlorine ' content might lead to conclusions about the behavior of : other PCBs. i The excretion rates of 2,4-dichlorobiphenyl and .1 2,5,2'-trichlorobiphcnyl have been described elsewhere (GREB et al. 1973)?

to lapis lazuli taumontlte lautertte lazurlte lead ore lemonttta tepldocrocita Iepldoltte lesamguta Iauclte leucoxena levynlta lignite llmretono limonlte llnnaelte Uzanllte loeUlnglte lopartte lormndtte lu<rvlglte-pal(*tte macktntoahtte maghemite magneatafemte magnesite magnetite malachite manganese ora maoganlt* marble soarearite marl metmarite setaaocertte mendelyoovtte mercury ora meaoilte FVOECAl KGISTM, VOt. 43, MOl 70--TUESDAY, AM*. 13, 1*77 BIRD 012679 ommlte uluneaotaite mlrabmto molybdenite molybdenum on tnoruuate monohette montmortllonlte mordeaite moeandxlte mudatoda mulllte [ muscovite 1 negate11te nagysgvce nahcollta native copper utnllu natural gM natural gaa cuaoematee saphetlna syenite napheUte nlccoUta nickel ore niter noaellte novacullte ochre oflretita otavita on ahala sllgoclaaa divine spat srplmaat ''Ifcl?

TABLE 1 SAMPLE DATE: .SAMPLE TAKEN: WELL WATER 4/30/80 3M Bldg.. 2-3E QUALITY SAMPLE DATE 4/30/80 (TAKEN FROM TANK #4) PARAMETER pit Residual Chlorine Ammonia Nitrogen Conductivity Alkalinity Total Solids Total flardness Total Fluoride Dilute.COD Total Coliform Standard Plate Count Aluminum as Al* Arsenic as As* Boron as B* Cobalt as Co* Copper as Cu* Chromium as Cr* Cadmium as Cd* Iron as Fe* Nickel as Ni* Lead as Pb* Silver as Ag* Zinc as Zn* Mercury as Hg* PCBIS** Total Organochlorine** Pesticides CONCENTRATION 7.6 <0.02 mg/l <0.1 mg/l as N 400 umhos/cm at 250C 226 mg/l as CaC03 378 mg/i 272 mg/l as CaC03 <0.02 mg/l 1.3 mg/l negative 42 per ml 0.01 mg/l <0.005 mg/l <0.2 mg/l <0.002 mg/l 0.018 mg/i <0.005 mg/l <0.002 mg/l 0.022 mg/l 0.005 mg/l <0.005 mg/l <0.002 mg/l 0.13 mg/l <0.2 ug/l <0.50 ug/l <0.50 ug/l ENV.

The possibility that the wrappings and cartons may con tribute PCBs to the feed may lead to FDA action In this area. 2,4, 5-T CANCELLATION PROCEEDINGS TO GO TO HEARING The 2,4,5-T controversy is going to a hearing tn late fall for all four companies who ob)ected to the Environmental Protection Agency's cancellation proceedings on the herbicide.

At this precarious state of our knowledge, we believe that misplaced re liance on mere suspicions rather than proved data, or precipitous and emo tional reaction to such incomplete infor mation, together with a narrowly con strued interpretation of interests, could lead to major economic consequences."

The recowBendations of the subcommittee are to Include methods of determining levels of exposure whieh would lead to socially acceptable risks from carcinogens.

Department of Labor Occupational Safety and Health Administration June 1975 OSHA 2225 V CTL032499 Endang r d Work rs Mostjob health hazards--such as lead, mercury, and silica--have been recognized for decades or centuries.

Swetonic had told him as follows: OSHA previously had emphasized safety - now the emphasis is on health - five industrial substances are under attack (asbestos, silica, lead, cotton dust and carbon monoxide).

FILE NAME: ALCOA (ALC) DATE: 1979 Apr 19 DOC#: ALC016 DOCUMENT DESCRIPTION: Unpublished Company Report - Industrial Hygiene Audit * * FROM KENNETH P.

I'SA Cartridge 459315 MSA Cartridge 459315 Willson R-25 TiOj, Lead Acetate absorbents Welsh 7500-1 15 15 30 30 30 30 30 30 30 30 30 15 63 Welsh 7500-1 15 64 65 66 62 68 6S 70 Welsh 7500-1 Welsh 7500-1 Various carbon filters containing mixtures of carbon and ocher adsorbants; #67 is the control containing only carbon.

1 f'" ^CONFIDENTIAL^ SubJeciTto Protective Order in .47?

Department of Labor Occupational Safety and Health Administration June 1975 OSHA 2225 V SGC 004038 I \\ ii I \ I \ I l Endang r d Workers Most job health hazards--such as lead, mercury, and silica--have been recognized for decades or centuries.

Revise autoclave pressure controller to eliminate liquid 'filled leads Cost Completion date 7. ?

This method to lead into the fire hazard is unacceptable as written. 32.