Geotextile was placed over
the skimmer head to act as an additional filter for the water prior to
discharge. The skimmer was flipped at 11:25 am. A turbidity reading of 309
NTUs was immediately collected at the discharge pipe (309 NTU) and the
discharge was stopped at 11:29 am. Additional fabric was applied over
the skimmer head and discharge was again initiated at 2:40 pm. Three
turbidity readings at the discharge pipe were collected (254 NTUs, 274 NTUs,
and 281 NTUs). The turbidity at the discharge point was 166 NTUs. Six more
turbidity readings were gathered at the discharge point over a span of 25
minutes with an increasing trend toward but not exceeding the performance
standard. At 3:20 pm discharge was discontinued after a turbidity reading of
249 NTUs was collected.
USEPA, PADEP, and Throop Borough were kept informed
on stormwater management activities during the period from July 19 to August
2, 2010.
A formal
non-compliance report
covering the period from July 19 to August 2, 2010 was submitted to PADEP on
August 4, 2010.
(Click
here to review the July 19, 2010 Non-Compliance Report.)