A comparison between the perfor mance of two designs, unless based On such tests on each, may lead to entirely erroneous conclusions.

Toxic Dust Type Respirators are approved for protection against inhalation of toxic or piosonous dusts, such as lead, cadmium, arsenic, chromium, manganese, selenium, vanadium and their compounds.

: '"' '* The induction or entrainment characteristics of a moving air stream lead to a phenomenon sometimes referred to as surface effect.

Wjolw with ibe staff* analysis and comments, ate in the monthly AntftVm Round Table for dhomlnn and arena by plant lead- os anA safety Baric information on acrident prevention technology is imparted to operating pqsonucl nqe only in cbe com ments indivfdnal ** casa but also in 17----j-- in the cover paga of the Bound Table faiMtii wi m the list of specific dh- n--topks suggcited for plant safety mere- inp which b a faturc of och issue.

The job description itself may or may not indicate which types of activities are likely to lead to accidents.

POWERHOUSE TO FURNACE Complete except 500# Air line which is 95$ complete* ASARCO ELP 0001225 STSAKHS-RQGER ENGINEERING 13000 C0P0 Lead Blower - 95% Complete M n n " piping to Bio Fcee 90% complete.

Strip returns to normal position ofter it has cooled 7b conrocf m#ctKtnifm 4 When bimetal strip bends, trip lotch moves up ond operates mechanism that opera contacts in lead line A Heaters used with bimetallic element can be replaced with one of different rat ing If load changes to confoct mocAon/im 5 Port of current to loodposset through bimetol element.

Trigg, President efthe'Hatiatoal Paint, ' tarnish and Lacquer Association, we are filing*herewith, the schedules recurw ted for The Shenrin-Willianw Coop^Ay/ls t Acme White Lead & Color Works, :" The Lose brothers Connany, .

Hence one volume of hydrogen sulfide reduces the apparent oxygen content by one* half volume and, if appreciable hydrogen sulfide is present, it should first be removed by passing the sample through lead acetate solution.

Please do not interpret in tho above that I am in any way try ing to absolve myself of my mistakes in managing the lead problem.

JL I. dtevanaoa, lead Doctor, Caaadlts Tnfina fimniii Dr, E. 1.

It is impossible to install a water gage glass on an inverted bucket trap, but if visual inspection is necessary, a gage glass can be placed on the line leading to the trap.

One part per million causes respiratory discomfort, headaches, depression,' and a lowering of the metabolic rate, and may even lead to coma 6.

Oas and air together pass through a tube leading to the burner ports, mixing in the proc ess.

75 TOWOLDMONOQ38447 PLASTICIZING PROPBRTIBS (Cont'd) Polyvinyl Chloride (Goon 101) Requires a relatively high working temperature (Above 150C.) and the use of some stabilizer (such as lead carbonate).