NYC 9/11 Public Portal Document
Lemongrass Grill Results
9094-A-LG-015 Air ND < 0.0005 S>5u/cc
9094-A-LG-016 Air 0.0005 S>5u/cc Chrysotile
Gypsum
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-LG-030 Air ND < 0.009 mg/m3
Lead
Before cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-W-LG-009 Wipe 10700 ug/ft2 Estimated concentration (J)
Post 1st Cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-LG-027 Air ND < 0.053 ug/m3 Estimated concentration (J).
9094-A-LG-028 Air ND < 0.052 ug/m3 Estimated concentration (J).
9094-A-LG-029 Air ND < 0.053 ug/m3 Estimated concentration (J).
9094-W-LG-020 Wipe 25.9 ug/ft2 Method blank contamination
(Validation = R).
9094-W-LG-021 Wipe 166 ug/ft2
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-LG-006 Air 0.168 ug/m3
9094-A-LG-007 Air 0.16 ug/m3
9094-A-LG-008 Air 0.347 ug/m3
9094-A-LG-019 Air ND < 0.059 ug/m3
Mineral: alpha-Quartz
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-LG-030 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - HVAC System
Sample ID Matrix . Detected Result Comment
9094-A-LG-030 Air ND < 0.017 mg/m3
Mineral: Cristobalite
Post 1st cleaning - HVAC System
Sample ID Matrix Detected Result Comment
9094-A-LG-030 Air ND < 0.017 mg/m3
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NYC-WTC_000145323
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