Section 2 



ABSEHTIA, HEWFOUllDLABID — U. S. HAVAL OPERATIHJ BASE 



A2.01 Location of Test Station and Test Boajrd 



A test "board of the panel type vae Installed on July 1, 19^1-, at 

 the U. S. Naval Operating Base, Argentla, Hevf otmdland . The results 

 obtained from this test hoard, the operation of ■»4ilch Is still helng 

 continued, have heen sumaarlzed to the end of 19^7* The hoard was 

 Installed at the south end of the Fleet Dock at Argentla In south- 

 eastern Nevfoundland. 



A2.02 Hydrographlc Data 



^e depth of vater tdiere the test hoard vas Installed vas 

 15. 1^ ft at mean lov vater j the tidal range was 5 ft; the velocity 

 of the current did not exceed one knot. The temperature of the 

 vater at the time of Installation vas 52° F. The vater teB5>eratures 

 for 19^5, i&ich are considered typical of the past 3 years, vere as 

 follovs: 



Jan 56O May 58° 



Feh 52° June k^ 



Mar 31° July 50*^ 



Apr 3h° Aug 58° 



The salinity of the vater vas determined to he: Chlorides, l.^i- 

 grains per gal; total, 2.8 grains per gal. 



The degree of pollution vas determined in two ways. The total 

 hacterlal colony count (nutrient agar medium) vas found to he l,l60 per 

 cc. A test on romlnlck Lauter medium was rated "positive for coll- 

 aerogenes with approximately 1^0 orgsuxtsms per 100 cc in 2k hours at 37°'" 



A2.03 Marine Borers 



1. Teredlnidae . The only evidence of Teredinldae at this location 

 vas a minute pit recorded in each of 2 test panels, and even one of these 

 vas questlonahle. 



2. Limnoria . .- Llmnoria occurred vith great regularity hUt 'never 

 in any large numbers. In "the control panels they vere recorded in only 



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