How To Exclude True Values

hi all,

how can i exclude true values for this query?

http://www.rafb.net/paste/results/obtkGz26.html

if i uncomment out 

--    AND t_inspect_result.inspect_result_pass = 'f'

it looks for prior falses within an inspect_id and
returns it.  i want the original result set minus the
trues, if possible.

tia...

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