TERMITE CONTROL INVESTIGATION - INSPECTION OF SPECIMENS AFTER 124 MONTHS OF EXPOSURE
A PROGRESS REPORT IS PRESENTED ON THE INVESTIGATION, BEGUN IN NOVEMBER 1957, TO DETERMINE THE MOST EFFECTIVE PRESERVATIVE WITH MINIMUM RETENTION FOR TREATING EITHER OAK, PINE OR FIR LUMBER TO REDUCE DECAY AND TERMITE ATTACK. THE RESULTS OF THE INVESTIGATION AFTER 124 MONTHS EXPOSURE OF THE TEST SPECIMENS ARE: (1) IN GENERAL, SPECIMENS TREATED WITH COAL TAR CREOSOTE SHOW LESS DECAY AND TERMITE ATTACK THAN SPECIMENS TREATED WITH OTHER PRESERVATIVES, (2) CHROMATED ZINC CHLORIDE AND TANALITH ARE AFFORDING LESS PROTECTION AGAINST DECAY AND TERMITE ATTACK THAN THE OTHER PRESERVATIVES, (3) IN GENERAL, THE FIR SPECIMENS TREATED WITH MOST OF THE PRESERVATIVES ARE SUBJECT TO LESS DECAY AND TERMITE ATTACK THAN THE OAK AND PINE SPECIMENS. OAK, HOWEVER, IS GENERALLY MORE RESISTANT TO DECAY AND TERMITE ATTACK THAN PINE OR FIR WHEN NOT TREATED, (4) THE AVERAGE INDEX RATING INCREASES WITH THE AMOUNT OF PRESERVATIVE IN THE SPECIMENS, AND (5) IN GENERAL, COAL TAR CREOSOTE IS AFFORDING MORE PROTECTION AGAINST DECAY AND TERMITE ATTACK THAN COMBINATIONS OF CREOSOTE WITH COAL TAR OR PETROLEUM. THE RESULTS REPORTED AFTER 124 MONTHS OF EXPOSURE ARE BASED ON THE INSPECTION OF ABOUT 2000 TREATED AND UNTREATED TEST SPECIMENS. THE EXPOSURE TEST PLOT IS IN THE AUSTIN CARY MEMORIAL FOREST OF THE UNIVERSITY OF FLORIDA NEAR GAINESVILLE, FLORIDA.
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Supplemental Notes:
- No 615, ProCEEDINGS VOL 70, PP 51-74, 13 FIG, 8 TAB
- Publication Date: 1968-10
Media Info
Subject/Index Terms
- TRT Terms: Chlorides; Chromates; Coal tars; Creosote; Pest control; Termites; Wood; Zinc
- Old TRIS Terms: Termite control
- Subject Areas: Geotechnology; Highways; Maintenance and Preservation; Materials;
Filing Info
- Accession Number: 00216791
- Record Type: Publication
- Files: TRIS
- Created Date: Apr 21 1994 12:00AM