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®� 0 <br />Memo to Antonia Vorster <br />go <br />11 <br />i <br />The following • - lists the constituentsor properties that showsignificant <br />Sampledifferences between intake levels and initial and/or sustained discharge levels. <br />All other constituents showed little or no change from background levels. <br />• • :s (By Number) <br />Comments <br />Iron 0.95 86.0 1.6 18.0 1.9 All samples exceed EPA (mg/1) <br />drinking water criteria of 0.3 <br />mg/1. Samples 2-5 exceed fresh <br />water aquatic life criteria <br />�' t .y S• ^4 '4. T'-ya� a � :ate. - Wes,..,-"_'}i.+''�" z --'��'�r Fti��' y �: ` *�.S� ?ti:.. '�-?a� `i .`e'.."x.'3tt rS ,, �S`' p <. � "�6 2'� .,.g .. <br />s.^v� �....5 ..., ,, � .sa �.. _. �`'"�-".tc'�a^c.z*s• saa^i�a� _ r '�-o •e�� e:�,. "'^_3.'a�3r »'3... .���A.`x.. >:,�. �,,.�as„v�1�a w,-%�. - .t �.; �"!�,'�^ �r�ir ,s. <aa <br />-1.0 mg/1. <br />Zinc <br />0.03 0.53 0.21 0.33 0.17 <br />Samples 2-5 exceed EPA (mg/1) <br />fresh water aquatic life 24 -hr <br />criteria of 0.047 mg/1. <br />Manganese <br />0.21 1.3 0.2 0.52 0.14 <br />All samples exceed <br />(mg/1) <br />drinking water supply criteria <br />of 0.05 mg/1. <br />Lead <br /><0.001 0.064 0.008 0.004 0.027 <br />Samples 3 & 5 exceed the <br />(mg/1) <br />fresh water aquatic life/ <br />4 -day criteria of 0.001 mg/1. <br />Sample 2 exceeds 1 hr. <br />criteria of 0.025 mg/1. <br />Arsenic <br /><0.001 0.005 0.001 0.002 <0.001 <br />All may exceed 1 in 106 <br />(mg/1) <br />cancer risk level. <br />coo <br />42 117 51 67 55 <br />Does not decrease to original <br />(mg/1) <br />level. <br />BOB <br /><5 31 <5 13 <5 <br />Eventually decreases to <br />(mg/1) <br />background. <br />TSS <br />7 256 12 73 16 <br />Sustained runoff remains <br />slightly higher than back- <br />ground. <br />_. Total <br />0.14 1.6 0.16 0.68 0.19 <br />Sustained runoff remains <br />Phosphorus <br />slightly higher than back- <br />ground. <br />Total <br />1.4 14.0 1.7 7.5 3.1 <br />Whiskey Slough Platform <br />Kjeldahl <br />remains more than 2 times <br />Nitrogen <br />higher than background. <br />(mg/1) <br />�' t .y S• ^4 '4. T'-ya� a � :ate. - Wes,..,-"_'}i.+''�" z --'��'�r Fti��' y �: ` *�.S� ?ti:.. '�-?a� `i .`e'.."x.'3tt rS ,, �S`' p <. � "�6 2'� .,.g .. <br />s.^v� �....5 ..., ,, � .sa �.. _. �`'"�-".tc'�a^c.z*s• saa^i�a� _ r '�-o •e�� e:�,. "'^_3.'a�3r »'3... .���A.`x.. >:,�. �,,.�as„v�1�a w,-%�. - .t �.; �"!�,'�^ �r�ir ,s. <aa <br />