t for our opinion with seteronee t qbo ve .

otment on the rub sotbe- tinted as d hapter GM, of the Forty-fifth rtaia aeotlona were ae BilL Ro. 419, prlnted aa 8, General laua of the Forty- bovs anaotmenta the word *bolloP ia used for gsneratlng ataam for power or e oagtton to tkie origEiZ7aat aeolsroa provide fox thr, fnapectton of atam tion 9, which rsqtiirea each o&m-to have a Csrtificats of Qpsratlon before a boiler may ba lawfu~~ operated, begins as followa: %o steam boiler, unleaa othor- exaurpted in this- shall be operated wlae speclf’ioally within the &tats of TSIWW uolesa auah bollsr has baen ze&later- e4 with the Bureeu of labor 8tatiatioa,w eto. .ieotion ,4 m- qtires the Colpleiaaioner of Labor Statiatios to make, or tzauae *2 Bureau or Labor Statiatios, page 9

to be made, periodio ioapeotions of both stationary and port- able boilers refers to auoh a8 "etationary eteam" and "port- able steam" boilers. And so on through outthebody cf the &t, the word boiler ia almost always prefaced cith the word "steam." The emeqenoy olause avsrsx "'The ract that we do not have a law in kesas providing for the inspection of 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 insp8otion or "steam boilers" only.

Webster'8 New International Uictionsry, Ed 3d., define8 "steam" aa "the inviaibls gae vapor Into whioh water ie oon- verted when 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 oon- verted when heats& to tL8 boiLing polnt;v citing Reyno'lde v. iiashington iIea1 Kstate Co., 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 ~of disphenyl and diphenlyoxide" 8mrketed under the trade naz16of *dowtherm " The queatioa we 8m8t determine ia whether the gaa or vapoi produoed by boiling "dowtherm" mey be at all olesairled as~H8team.W It ia olear rrom analy8la or the terminology of the legislation hereinabove discusred that your departv&t ie 1in;ited to the registration and in8p4OtiOn of.

*8teamv boilera; that other typea of boilers do not dome wlthfn the purview of tne statutse.

iihether the gas or vapor generated by h8atlng wdowtherm" to'lts boiling point I.8 "steam* requires ttchnioal and aolentlfio knowledge not posseaaed by ~8. Aooorbingly, w@ oonsulted Dr.

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~produoe8 a low-preeeura h 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 oompared to ,steam$ that it 18 easily aontrolled and not nearly so dangaroua.

Bureau 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 OF TEXAS ATTOFBEY GEXKHAL hs8Irtant

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