NYC 9/11 Public Portal Document
WTC Residential Study 375 South End Avenue
EMSL Billing # 040217976
Quartz Cristo Tridymite Gypsum Calcite Portlandite
mg mg mg mg mg mg
1 055667-305.561 0.296 <DL 'DL 0.019 0.035 <DL
Reference True Value 0.026 0.050 0.050 0.010 0.030 0.050
Measured 0.024 0.061 0.090 0.007 0.029 0.038
Peak Areas Quartz Cristo Tridymite Gypsum calcite Pcrttandite
Primary Primary Primary Primary Primary Primary
1 05567-305.561 1467.4 0.0 0.0 798.7 359.2 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 3.1825
EfM ions for obtaining mass of a phase tug) from Peak dram (if that phase is assumad to he nreceotl
Alpha Quartz (Primary) ug = (Peak Area) /4.953 DL = 5 ug
Cristobalite (Primary) ug = (Peak Area) /9.3758 DL = 20 ug
Tridymite (Primary) ug = (Peak Area) 15.8028 DL =20 ug
Gypsum (Primary) ug = (Peak Area) 141.603 DL a 10 ug
Calcite (Primary) ug = (Peak Area) / 10.312 DL = 20 ug
Portlandite (Primary) ug = (Peak Area) /3.1625 DL =20 ug
NYC-WTC 000117472
OCR can misread numbers and units. Confirm readings against the page image before using them.