NSWC/WOL/TR 75-35 



snap snugly into the angled end faces on the end of the sample tube. 

 After removal from the wire, the water sample can be drained from 

 the valves to other containers for analysis. 



(2) Nonmetallic Niskin Water Sampler Model 1010-1.7 

 (General Oceanics, Miami, Florida) - Fig. 3 



Specifications 



Capacity: 1.7 liters 



Overall length: 25 inches 



Outside diameter: 3.5 inches 



Empty weight: 5.3 lbs 



Full weight: 9 lbs 



Price: $180 



The General Oceanics Model 1010 Niskin Sampling Bottles are 

 general purpose, nonmetallic water samplers suitable for a wide 

 range of oceanic and inland water sampling applications. The bottle 

 features all plastic (PVC or polycarbonate) construction and a free 

 flushing design to yield samples with greater purity and lower 

 self-contamination than those taken with traditional metal bottles. 



For on-wire operation, the bottle end stoppers are held open by 

 a cocked trigger mechanism until the bottle has been lowered to the 

 desired depth. A messenger dropped down the wire from the surface, 

 strikes the trigger mechanism and releases the end stoppers for 

 closure. The bottles are designed to release a second messenter 

 down the wire below the bottle to actuate a series of bottles along 

 the wire with a single messenger dropped from the surface. Water 

 may be drained from the bottles by opening an O-ring-sealed, non- 

 metallic stopcock at the lower end. The stopcocks are designed to 

 accept rubber tubing in order that samples may be drawn off with 

 minimal exposure. Reversing thermometer assemblies are available as 

 standard accessories. 



(3) Kemmerer Plus Nonmetallic Water Sampling Bottles 

 (Wildco Wildlife Supply Co., Saginaw, Michigan) - Fig. 4 



Specifications 



Full weight: 14 lbs 



Sample volume: 3.2 liters 



Overall length: 2 7 inches 



Outside diameter: 4.5 inches 



Empty weight: 6 lbs 



Price: $175 



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