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**OFFICE OF**  **THE ATTORNEY**  **GENERAL OF**  **TEXAS AUSTIN** 

Bureau of Labor StatIstica *UtJtiE, TeXae

Gsntlelcen : AttentiopC%r& *+ Steward

**t for**  **our opinion**  **with seteronee**  **t qbo** **ve**
**.** otment on the rub sotbe

### tinted as d

hapter GM, of the Forty-fifth rtaia aeotlonawere ae BilL Ro. 419, prlnted aa 8, General laua of the Fortybovs anaotmenta the word *bolloP ia used for gsneratlng ataam for power or e oagtton to tkie

origEiZ7aat aeolsroa provide fox thr,fnapecttonof atam tion 9, which rsqtiirea each o&m-to have a Csrtificatsof Qpsratlon **before a**  boiler may ba lawfu~~ operated,begins as followa: %o steam boiler, unleaa othor**wlae speclf** **’ ioally**  exaurpted **in this-**  shall be operated within the &tats of TSIWW uolesa auah bollsr has baen ze&latere4 with the Bureeu of **labor** 8tatiatioa,w **eto. .ieotion**  **,4 m**  qtiresthe Colpleiaaioner 

### of Labor Statiatios to make, or tzauae

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Bureau or Labor Statiatios,page 9

to be made, periodio ioapeotions of both stationaryand portable boilers refers to auoh a8 "etationary eteam" and "portable steam"boilers. &t, And so on through outthebody cf the theword boiler ia almost always prefacedcith the word "steam." The emeqenoy olause avsrsx "'The ract that we do not have a law in kesas providing for the inspectionof steam boilers areatea an exergenoy,* eta. No different language bearing on the question b&ore ua appears in the amendatory act of 1939, aupra. The oommlaaioner la empowered to fix and collect fees for the insp8otionor "steam boilers" only. Webster'8 New InternationalUictionsry,Ed 3d., define8 

### "steam" aa "the inviaibls gae 

### or vaporIntowhiohwater ie oonvertedwhen heated to the boiling point.8 Word8 h Phraaea, Per& Ed., Yol, 40, p. 4Sl,.deflne8 

### “steam” a8 "the elastic acriform fluid Into wbioh water is oonvertedwhen heats& to tL8 boiLing polnt;v iiashington

iIea1 Kstate Co., citing

### Reyno'lde v. 49 A. 707,709, 23 R. I. 199. In your letter of inquiry you state the tooiler in que8- tlon contain *dowtherm instead of 

### water"end generate "dowtherm vapor.w You also apprise u8 that "dowtherW i8 a *8p80l~1 oomposltlon~ofdisphenyl and diphenlyoxide"8mrketed under the trade naz16of *dowtherm " The queatioawe 8m8t determine ia whether the gaa or vapoi produoed by boiling "dowtherm" mey be at all olesairledas~H8team.W It ia olear rrom analy8la or the terminology of the legislationhereinabovediscusred that your departv&t ie 1in;ited to the registrationand in8p4OtiOnof. *8teamvboilera; that other typea of boilers do not domewlthfn the purview of tne statutse. iihether

the gas or vapor generated by h8atlng wdowtherm" to'ltsboiling point I.8"steam* requires ttchnioal

### and aolentlfio knowledgenot posseaaed by ~8. Aooorbingly,w@ oonsultedDr. X. P. giohoch

and i?oiesaor 8f.

A. Cunninghem of the Vn!niveroity of Texar Chemioal G&neering bohool. Ye are indebted to them for the lnrormetion thatthe boiling of "dowthermW~produoe8a low-preeeurah dro-oarbon vapor - never "8teeQ*; that thiJr4fOrcl a vessel oonta ning

f "dowthermv instead or "water'" oould in no proper aanse be termed a "steam boller"i ~: that tith hydrO-Oarbon vapor produoed by boiling *dowtherm* the pre88ure i8 alwaya very low as oomparedto ,steam$ that it 18 easily aontrolled and not nearly so dangaroua.

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Bureau or Labor statI4tic8, prigs 3

You are, thererore, advised that in our opinion your question should be anawered in th8 negative.

YoUrB very truly WrlZR;IL OFTEXAS

ATTOFBEY GEXKHAL BWlN hs8Irtant