| Type |  Book |
| ชื่อเรื่อง | Air monitoring for hazardous materials / United Stated Environmental Protection Agency |
| พิมพลักษณ์ | [S.l.] : Office of Emergency and Remedical Response, Hazardous Response Support Division, U.S. Environmental Protection Agency, [1993?] |
| รูปเล่ม | 1 v. (loose-leaves) : ill. ; 28 cm |
| หัวเรื่อง | Air quality --Measurement [] |
| | Air --Pollution --Measurement [] |
| | Environmental monitoring |
| | Gas chromatography |