Steam All 50-50 Tin-lead (ASTM B32 Alloy Grade 50A) [ 95-5 Tin-antimony or 95-5 Lead-tin } (ASTM B32 Alloy Grade 5A) l Solders with melting point 1100 F or 1 above | 100 150 200 250 100 150 200 250 350 200 175 150^ 150 125 lOO1* 100 90 75*1 85 75 50"* 500 400 400 350 300 250 200 175 300 275 200 150 __ __ 15 _ __ -- 15 270 190 155 120 Note: Ratings other than specified here may be used upon the recommendation of the manufacturer as to the proper solders that should be used. " Extracted from American Standard for Wrought Copper and Bronze Solder Joint Fittings, B16.22-1951 k Standard water tube sizes except 1.8 in., which is H in.

Aluminum-------------- Good Fair Poor No Data Poor Good Poor Magnesium awl AUoyn__ No Data Good j Poor No Data Poorj Good No Data No Data Poor No Data Poor No Data Lead and Lead-Coated__ Poor Good Poor Poor Poor Poor Good Good Poor Mo!

The February issue of SAFETY ENGINEERING mentions the Foundation in its lead editorial.

Chemical, Pigment, Metals and Mining Pivision Includes tbs Manufacture sad distribution of titaalun dioxide, llthopone, cmdalm oolors, barytes, white lead, powdered lead, powdered copper and the Mining of barytas, sine and copper. 5.

i. send you, for him, a copy of a book on lead poisoning with which he should acquaint himself in detail.

LEAD INDUSTRIES ASSOCIATION.

Air Ducts The most practical method for protecting air duct surfaces made of steel from atmospheric corrosion, is to apply protective paints: One of the most effective protective coatings is red lead paint.

., F 1 In.b Water 1*4 to 2 In.b 2Hto 4 In.b 50-50 Tin-lead (ASTM B32 Alloy Grade 50A) ( 95-5 Tin-antimonv or 95-5 Lead-tin } (ASTM B32 Alloy Grade 5A) 1 100 150 200 250 100 150 200 250 200 175e 150d 150 125c 100^ 100 90 75?

Sabina: I am sending four copies of a brief report of our experimental observations of some years ago on the lead alkyls.

Mica dust was found to lead to some degree of nodular formation in the lungs, but the asbestos dust set up diffuse fibrosis only.

Sebvice Pressure Ratings for Wrought Copper or Bronze Solder Joint Fittings* Maximum Sebvice Pbessube PSIO Type op Solder Sebvice Water 1 In.b 1M to . 2H to 2 In.b 4 In.b 50-50 Tin-lead (ASTM B32 Alloy Grade 50A) 95-5 Tin-antimony or 95-5 Lead-tin (ASTM B32 Alloy Grade 5A) 100 150 200 250 100 150 200 260 200 175 lsr* 150 125. 10^ 100 90 55 75 50d 500 400 400 350 300 250 200 175 300 275 200 150 _ -- -- 15 -- -- -- 15 Solders with melting point 1100 F or 1 above 1 350 270 190 ' 155 120 Note: Ratings other than specified here may be used upon the recommendation of the manufacturer as to the proper solders that should be used. * Extracted from American Standard for Wrought Copper and Bronze Solder Joint FittingB, B16.22-1M1* b Standard water tube sizes except 1.8 in., which is H in.

In Switzerland silicosis is compensable, not as a disease, but only through resulting incapacity for work; this leads to early diagnosis and exclusion of the patients from exposure.

OLDEH AVSNUE, TttSOTUh, NOT J8RSEI, hereinafter oallad tha agent* Tha company herabv grants authority to tl\a agent to aollelt ordara for and to sail lte rroducts manufactured by lta SUSTON LEAD DIVISION, OCRANTON, PENNSYLVANIA undar tha tama and condition* hereinafter defined* Tha nature of tha product* and auah oonaldaratlona aa tarrltory, aoootmta, prioes and f terms of aala nay l>* ohanged by tha company at any tin* by written notion to q .

Good Fair Poor No Data Poor Good Poor Magnesium and Alloys__ No Data Goodj Poor No Data PoorJ Good No Data No Data Poor No Data Poor No Data Lead and Lead-Coated. ...

Reference to the unsavoury aspect was prompted by the fact that the investigation required me to adopt somewhat of a C.I.B. ettitude if I were to establish anything concrete Past experience has convince me that there was a lot of truth in the complaint that conditions were specially prepared when an investigation was pending As you well know the persons in charge at Wittencom are pleasant company but their actions or lack of action only lead one to assume that by cordial discussions I will achieve nothing Until the olone system was installed I could do nothing to achieve satisfactory mill conditions without drastically curtailing the rate of production I now feel that previously because I did not hammer them about the plant the reason that I knew nothing worthwhile could - solely for be done - they have accepted me as easy meat an When you are faced with the prospect that despite effable manner of the person who is guiding you through the plant you can't be certain that he hasn't depatched a deputy to stage a arranged hold for the purpose of temporarily decreasing the mill throughput then the task is unsavoury On each visit to the mill some of the unit were not operating For each there was a plausible excuse for the hold up but it didn't quite allay my fears that I was being given the .- three card trick elaiblespersons assured me that I did not see true conditions but it is difficult to accuse the management of purposely trying to lead me For that reason I adopted the line that if they had window dressed the mill for my benefit then I would turn joke on them by insisting that they maintained the standard I saw the PLAINTIFF'S EXHIBIT 102970 When I first wrote to you it was not with the intention of 2} trying trying to dodge the investigation Reen requested in his letter ti Inspector Hunt that his union would appreciate an inspection by Chief Inspector I was not sure whether or not he meant Senior Inspector and as Inspector Faichney had been in attendance for thi Board of Reference I decided to find out what you wanted dose Al my mention to the management that I was carrying out an investigat on your instruction was not done with the idea of dumping the of responsibility anythingof th which comes and The management at A.B.A.