Occupational safety and health act of 1970 (oversight and proposed amendments).  Hearings, Ninety-second Congress, second session ... 

 - Washington  U.S. Govt. Print. Off.  1973. 
 - ix, 754 p.  24 cm. 
<br/><br/> Hearings held Sept. 13-28, 1972. 
<br/><br/><label>LCCN: </label>73601088  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety--Law and legislation--United States.<br/>Industrial hygiene--Law and legislation--United States.
<br/><br/><label>LC Class. No.: </label>KF27  / .E336 1972l 
<br/><br/><label>Dewey Class. No.: </label>353.007/83 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.Ed 8/1:Sa 1/6/970