Hazardous Materials IncidentsChristopher David Hawley · First published 2005 · Latest edition 2007Open the Tome
Hazardous Materials Air Monitoring And Detection DevicesChristopher David Hawley · First published 2006Open the Tome
Exam preparation firefighter I & IIAndrea A. Walter, Christopher David Hawley, Andrea Walter, Marty Rutledge · First published 2005Open the Tome
HazMat Air Monitoring & Detection DevicesChristopher David Hawley · First published 2001Open the Tome
Hazardous Materials Response & Operations (Fire Science Series)Christopher David Hawley · First published 2000Open the Tome
