!

2- Department conducted an investigation and enacted laws for the protection and conpensatioa of the worker against this hazard.

TUMORS OF THE EYE AND ITS ADNEXAE 711 1922 that pendulous pitch warts with slender pedicles are frequently observed on the eyelids, especially the upper ones, of pitch workers in the Cardiff region.

TO:16182590896 1)6 | SILICOSIS AND OTHER K1BROPIC PNEUMOCONIOSES ground-glass appearance.

546 G.

NEG.

NEG.

c .n v* (k - yy Extension to RIVERSIDE STATION of The United Power Mfg.

UNTIL STUDIES INDICATE THAT ASBESTOS EXPOSURES DURING ROOFING PROJECTS ARE WITHIN ACCEPTABLE PARAMETERS.

* IXDUSTRtAL HYC1EXE ASD OCCVI'ATtOSAL MEDICISE of various animaJs (guinea pig, rabbit, rat. mouse, cat. dug. chicken and even tadpole 1 eventually \*.fil produce siiicotic nodules but at dinerer.t rates.

TECHNICAL INFORMATION Fire Properties of Polyvinyl Chloride Figure 1 Ignition Temperatures Temperature, C 700 ,PVDC Phenolic ' Glass Fiber , Melamine 500 Glass Fiber Nylon 'pvc : -300 Polystyrene (Foam) : ' Polyethylene 'SAN ' Polyurethane , Cellulose Acetate - Polystyrene (Beads) 'PMMA Douglas Fir --v \ Cotton \ Pine "V Paper 'Wool - Cellulose Nitrate Melamine Glass Fiber Phenolic Glass Fiber .PVDC >TFE Polystyrene ,SAN Cellulose Acetate PMMA PVC ' Nylon ' Polyurethane Polyethylene Pine Cotton Paper Cellulose Nitrate -100 Flash Ignition Self Ignition Polyvinyl chloride (PVC, or vinyl) pos sesses excellent fire performance proper ties.

Edward Howard tCo.

eP* Jk-C-- STATZXEBT AMD MSMQUMJMM of lr* B* V* Btar ro A1Q BOZLn eo. nc.

FCm HO i o Int er -Office Cor r espondence Et hyl Gasol ine Cohpohat io 25 BltOAJOWAY X e w Y o r k August 17, 1927 Dr.

1 Tank .Wagon Et h y l - 1929 P`;'-* / r\`A `I ,'V f* ; ^ 7 ;, '.:. - ' -.;.