NYC 9/11 Public Portal Document
WTC Residential Study 385South End Avenue
EMSL Billing # 040217975
Quarfz Cristo Tridymite Gypsum Calcite Porf/andite
mg mg mg mg mg m9
1 05368-305.559 0.120 <DL <Dl. 0.010 <DL <DL
2 35568.305.560 0.104 <DL <DL 0.045 <DL <DL
Reference True Value 0.026 0.060 0.060 0.010 0.020 0.050
Measured 0.024 0.061 0.090 0.007 0.029 0.036
Peak Areas Quartz Cristo Tridymite Gypsum Calcite Pwilandite
Primary Primary Primary Primary Primary Primary
1 05566.305.559 594.9 0.0 0.0 402.9 92.6 0.0
2 05666.305.560 516.5 0.0 0.0 1892.4 106.4 0.0
Reference 118.0 574.4 521.5 300.3 299.6 114.3
Corrected
124363.5
2.412283 slope 4.953 9.3758 5.8028 41.603 10.312 3.1625
Equations for obtaining mass of a phase (rig) from Peak Area (if that phase is
assumed to he present.
Alpha Quartz (Primary) ug - (Peak Area) /4.953 DL = S ug
Cristobailte (Primary) ug = (Peak Area) /9.3758 DL = 20 ug
Tridymite (Primary) ug a (Peak Area) /5.8028 DL = 20 uq
Gypsum (Primary) ug = (Peak Area) /41.603 DL =10 ug
Calcite (Primary) ug = (Peak Area) / 10.312 DL = 20 ug
Portiandite (Primary) ug = (Peak Area) /3.1625 DL = 20 ug
NYC-WTC 000117658
OCR can misread numbers and units. Confirm readings against the page image before using them.