.

ESTABLISHED I88S ROBERT A.

Y *?

Z3om criAc: ZONOLITE CONSTRUCTION PRODUCTS DIVISION N TO: See Distribution List FROM: T.

_I VI am E.

THE DISCOVERY COMPANY UNION CARBIDE CORPORATION MINING S METALS DIVISION P.O.

UNION CARBIDE CORPORATION CORPORATE DISTRIBUTION 270 PARK AVENUE, NEW YORK, N.

iVDLRS imposition AhOy co2* 0.03 10.80 o.so 1.00 1.00 0.2 1.0 18.00 0.60 18.80 : sample and not : analysis system ffectable in most tectable level to ; talc with a high ale derived from mmonly referred itent.

TO: T.

i ooi7ii> ZONOLITE DIVISION ro l.

jjCBAC^I v**-' ZONOLITE CONmuOION PRODUCT* DtVIStON To the Members of the PLASTER & FIREPROOFING CO: A.

As t< Q & tutor Office To I oof Subjooti C.

^ Dr.

Table 7-B (1977) Facility G Fiber Air Sample Results Optical Microscopy Operation/Area BRAKE REBUILDING Brake Mechanic I Brake Mechanic II Brake Mechanic III RELINING DEPARTMENT Rivet Operator Punch Operator Partsman Sample # D-3 D-8 D-13 D-4 D-7 D-15 D-2 D-6 D-9 D-10 D-14 D-12 D-16 D-17 D-5 Volume (liters) 240 246 280 184 512 272 160 184 106 168 296 100 126 66 400 Time (min) Concentration Fibers > Sum/cc 120 1.09 123 3.24 140 0.804 TWA 1.68 92 0.289 256. 0.62 TWA 0.53 136 0.52 80 2.0 92 5.59 53 7.53 84 6.84 148 2.68 TWA 4.47 50 7.31 63 5.90 33 10.92 TWA 7.52 200 1.21

12 00 BRAKING SYSTEM Airpak August 1979 @ 12 00 Page 39 D Swim SERVICE ANO REPAIR OPERATIONS Precautions (a) Tilting the cab.