NYC-WTC_000210768

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING u METALS IN AIR |CALCULATlON FORpSHA lD121Z125G~ METALS IN AIR, VIA. CASSETTE HLTER QZMM MimPORE) & MOBILE VACUUM PUMPS ; | JA- Concentration of Analyte in sample solution ([ig/ml)or (mg/L) I jB=Concentration 6f Blank in sample solution (pg/ml) or (mg/L) ‘SSV= Sample Solution Volume ASSV- Analyte concentration i Sample Solution Volume AR= (A X SSV) - (B X BSV) I ! BSV=Blank Sample Volume BBSV=Blank concentration r Blank Sample Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) !rABSV= Reagent Blank Sample Volume / I !d~ Dilation Factor (NONE) I Ino gravimetic factors TB- tMP/FIELD BLANK For the Trip Blank Analytical Value: AR= (B X BSV) - (RAB X RABSV) I IAV= Air Volume Sampled I AR=Analytical Result AV I lARR=An^tical Reportable Result in m^/i'm^ (rounded off to 3-sigma)

A (mg/L)’ SSV^mL) Ax SSV x ASSV ;BSV(mq B k’BSV s^BBSV ASSV .BSSV'= AR AV Liters iifANALYTE ) ARR 0.098 100 9.8 0.069 100 6.9 2.9 30 0.0966667 Aluminum-Al 0.1 ojoTe 100 1.6 0.025 100 2.5 -0.9 30 -0.03 Antimony-Sb <0.01 ........... -6’6’1 100 -1 -d'ois 100 -1.5 0.5 30 0.0166667 Arsenic-As 0.02 ........’6?66’4 100 0.4 0.063 100 0.3 0.1 30 0.0033333 Barium-Ba <0.01 ........ ’■6?6i’i 100 -1.1 -o’oiT 100 -1-1 0 30 0 Beryllium-Be <0.01 -.5:621 100 -2.1 -0.021' 100 -2.1 0 30 0 Cadmium-Cd <0.01 .........’”1:33’8 136.8 -3 100 133.8 100 30 -0.1 Calciutn-Ca <0.01 ...... "6:66’5 100 0.5 ____ 0.006 100 -0.1 30 -0.0033333 Chromium-Cr <0.01 I ........ ’-’6:65'2 100 -5.2 -0.05 100 -0.2 30 -0.0066667 Copper-Cu <0.01 o:6’5’7 WO 5.7 0^41 100 4.1 1.6 30 0.0533333 Iron-Fe 0.05 ■-o:6iT 100 -1.1 -0.0i3 100 -1.3 0.2 30 0.0066667 Lead-Pb <0.01 .......... ’6:246 100 24.6 6’221' 100 22.1 2.5 30 0.0833333 Magnesium-Mg 0.08 .......... ’6:6’7'3 100 7.3 0088 100 8.8 -1.5 30 -0.05 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.003 100 0.3 0.002 100 0.2 0.1 30 0.0033333 Nickel-Nl <0.01 6?6‘4T 100 64.1 ‘“ 0.66'1 100 66.1 -2 30 -0.0666667 Potassium-K <0.01 I—i ■'6?o‘oT 100 -0.1 ’ "o'o ’is 100 1.5 -1.6 30 -0.0533333 Selenium-Se <0.01 s o '-‘6?o'87 100 -8.7 ""-‘0?0'9 100 -9 0.3 30 0.01 Silver-Ag 0.01 i o ■■3'9'64 100 396.4 ■"4.T73 100 417.3 -20.9 30 -0.6966667 Sodium-Na <0.01 o Io ■'6?6'o'6 100 -0.6 ”-6'6’63 100 -0.3 -0.3 30 -0.01 Thallium-TI <0.01 o "o?6'2'7 100 2.7 ” ” o?63 100 3 -0.3 30 -0.01 Zinc-Zn <0.01 CO CR LABTd #01100280-008 I—i O

NYCDEP - DUPLICATE OF #01100280-002 C-/.IFM Fll FR/NYCnFP-HA7MAT/mniinn9Rr) yk

NYC-WTC_000210783