* n'l is'i ' mmIiIlf:jt fett' ls BBS, f fe*H' ; Ifrl; ' >, s ' ELEMENTS OF INDUSTRIAL TOXICOLOGY in the handling of wet dross from a light metals plant, in the cleaning of tauk cars which have held sulfuric and hydrochloric adds, in the cleaning of pipes with an add contaminated with arsenic, in the precipita tion of cadmium with metallic zinc, and in other operations.

2 airborne.

v z DATE.

BSIS-Robers onO 3 2 5 4

SHIPPING DATE'_ /]/// 77 _1 BUILDING SERVICE INDUSTRIAL SALES CO., INC. 620 N. 108th PLACE ' .

SHIPPING DATE.

J DISTRIBUTORS OF INDUSTRIAL INSULATIONS AND SPECIALTIES 620 NORTH 108th PLACE GLENVIEW 3-6786 MILWAUKEE, WISCONSIN 53226 TERMS: L I- S Xssala%lB C* Inc * P-,0.

SHIPPING ^DATE ^/3Q/6U mm THANK YOU FOR ORDER NO-- BLDG.

BSIS-Roberson03620

BSIS-Roberson03622

DISTRIBUTORS OF INDUSTRIAL INSULATIONS ANO SPECIALTIES 620 NORTH 108th PLACE GLENVIEW 3-6786 MILWAUKEE, WISCONSIN 53226 . : s . ; 1 1 ' ' : ' " . ; :' I.

. distributors of industrial insulatidns and specialties 620 NORTH 108th PLACE GLENVIEW 3-6786 MILWAUKEE, WISCONSIN 53226 SOLD TO & 8 ;.> lac.

BSIS-Roberson03774

BSIS-Roberson03787