Shipyard employment.  Guidelines for safely entering and cleaning vessel sewage tanks. 
 Guidelines for safely entering and cleaning vessel sewage tanks 

 - 1 online resource ([4] pages) :  color illustrations. 
 - OSHA fact sheet .
 - OSHA factsheet. .
<br/><br/> "03/2013"--Page 4.  "DSG FS-3587"--Page 4.  CRDP Program record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage tanks--Safety measures.<br/>Shipbuilding industry--Employees.--United States<br/>Safety education, Industrial--United States.
<br/><br/><label>GPO Item No.: </label>0766-F-05 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>L 35.24:SH 6/5