Re: Pipes & ducts, surveys of

[lafrate@Lanl.GOV (Pat LaFrate)]

>Whew, its been a long week. But, its Friday!
>
>Esteemed Radsafers, a few questions regarding surveys of the
>interiors, not exterior, of pipes and ducts:
>
>1. What instruments, commercially available or otherwise, have you
>used? Any comments, good or bad?
>
>2. If it was done quantitatively, how did you determine the
>efficiencies?
>
>3. Any general thoughts on this subject e.g. problems, good
>references etc?

Science & Engineering Associates, Inc. of Albuquerque, NM has a nifty video
they sent me on an internal pipe and duct surveying system. Their phone
number is 505-983-6698.

Pat LaFrate
ER/D&D
LANL
lafrate@lanl.gov

>Thanks
>
>Paul Frame
>
>Bonus question. Does anyone know anything about a navy(?)
>radiation(?) symbol that takes the form of a trident with a wavy line
>(gamma ray?) heading off at right angles from one of the prongs?
>
>