Document DGb77XzmXYxX7veo59ZyrqRxd
r<?/r
January 26, 1972
to Asbestos Dost
sslve exposure to asbestos dust, the foljust be followed when working with or han:asbestos cement, mortar, coatings, grout
Jveeping is permitted, when cleaning up asbestos or* asbestos dust.
(2) Asbestos waste, scrap and dust must be placed in closed containers until it is disposed of. (Use shipping carton or bag when cleaning up Job)
(3) Dust partical respirators must be vorn when exposure exceeds 15 minutes.of an 8 hour day while performing any of the following operations:
A. Removing asbestos insulation from vessels, piping, structures or buildings.
B. Cleaning up asbestos waste, dust or scrap.
C. Loading or unloading asbestos or asbestos cement, mortar, coatings, grout and plaster.
D. Restacking or handling of asbestos in card
board shipping containers. _ /
#*
.
E. Fabricating and/or installing asbestos insula tion.
Of) Dust partical respirators must be worn at all times while mixing asbestos cements, mortars,
coatings, grout and plaster.
(.
DE 009436
'/-C^ /S f- o
January 26, 1972
TO: B&R Personnel SUBJECT: Exposure to Asbestos Dust
To avoid excessive exposure to asbestos dust, the fol
lowing procedure must be followed when working with or han dling asbestos or asbestos cement, mortar, coatings, grout and plaster:
(1) Ko dry sweeping is permitted when cleaning up asbestos or* asbestos dust.
(2) Asbestos waste, scrap and dust must be placed in closed containers until it is disposed of. (Use shipping carton or bag when cleaning up job)
(3) Dust particflfl. respirators must be worn when exposure exceeds 1? minutes.of an 8 hour day while performing any of`the following operations:
A. Removing asbestos insulation from vessels, piping, structures or buildings.
B. Cleaning up asbestos waste, dust or scrap.
C. Loading or unloading asbestos or asbestos cement, mortar, coatings, grout and plaster.
D. Restacking or handling of asbestos in card
board shipping containers. - /
f. r v
E. Fabricating and/or installing asbestos insula
tion.
IF
(4) Dust particsdT respirators must be worn at all times while nixing asbestos cements, mortars, coatings, grout and plaster.
DE 009437
SUBJ: Exposure to Asbestos Dust (Cont'd) DATE: January 26, 1972
(5) Dust parties* respirators must be worn at all times while performing any task with asbestos materials inside enclosed structures or buildings.
(6) The Wilson style 600A Mono-mask that is available from the tool room is to be used as a dust particrespirator until further notice. Jerry DeLay
DE 009438