NYC-WTC_000210768

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR [CALCULATIQN POR OSilA ID121/125G~ METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS aI jA« Concentration of Analyte in sample solution (gg/ml) or (mg/L) I jB=Conccntration of Blank in sample solution (pg/ml) or (mg/L) •SSV- Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume j AR= (A X SSV) - (B X BSV) 1 ■ BSV-Blank Sample Volume BBSV= Blank concentration x Blank Sample Volume AV 1 !rAB- Reagent Blank Concentration (ftg/ml) or (mg/L) ! RABSV= Reagent Blank Sample Volume I !d- Dilution Factor (NONE) I •f Ino GRAVIMETIC FACTORS I For the Trip Blank Analytical Value: i AR= (B X BSV) - (RAB X RABSV) I IAV= Air Volume Sampled |AR=Analytical Result lARR=AnalytIcal Reportable Result in m^Zm^ (rounded off to 3-sigtna) PI AV I I

A (mg/L) SSV.(njL) A x SSV = ASSV gOMSsKStij BxBSV/sBBSV ASSy|BSSy'5?AR ,AR/AV: 0.08 100 8 0.069 100 1.1 30 0.0366667 Aluminum-Al 0.04 0?d’5'3 100 5.3 ■"07(^5 100 2.5 2.8 30 0.0933333 Antimony-Sb 0.09 '.‘ord'oT 100 -0.7 ■-0.01'5 100 -1.6 0.8 30 0.0266667 Arsenic-As 0.03 ........ '6?d’d3 100 0.3 '■'oTooq 100 0.3 0 30 0 Barium-Ba <0.01 100 -1 '-’d.d’i’i’ 100 -1.1 0.1 30 0.0033333 Beryllium-Be <0.01 ‘.oroai 100 -2.1 "-o.'d2i’ 100 -2.1 0 30 0 Cadmium-Cd <0.01 ..... ""i'.O2 100 102 “Tijes 100 -34.8 30 -1.16 Calcium-Ca <0.01 ""..... d.di 100 1 "'d’do’d 100 0.4 30 0.0133333 Chromium-Cr 0.01 '-'o^d’ds 100 -5.5 100 -5 -0.5 30 -0.0166667 Copper-Cu <0.01 d’.’dd 100 6 ■■'aoH 100 4.1 1.9 30 0.0633333 Iron-Fe 0.06 ..... "-6?6d'9 100 "-’d’dra’ 100 -1.3 0.4 30 0.0133333 Lead-Pb 0.01 o;i92 100 19.2 ■"oTfaT 100 22.1 -2.9 30 -0.0966667 Magnesium-Mg <0.01 '6?o'9'8 100 9.8 ’’ ’d .’ds ’s 100 8.8 1 30 0.0333333 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H ! 0.006 100 0.6 0.002 100 0.2 0.4 30 0.0133333 Nickel-NI 0.01 orfi's 100 71.5 '0.661’ 100 66.1 5.4 30 0.18 Potassium-K 0.18 I—i s "ojoTe 100 1.6 "d.’di's 100 1.5 0.1 30 0.0033333 Selenium-Se <0.01 o !' ■'^7o'9 100 ___ ;9 "-6?69 100 -9 0 30 0 Silver-Ag <0.01 o ■'2?644 ■4.1’73' -152^ 30 -5.0966667 Sodium-Na <0.01 o 100 264.4 100 417.3 Io ■^?6O7 100 -0-.7 -d.d'dd 100 -0.3 -0.4 30 -0.0133333 Thallium-TI <0.01 o ’”0'0'3 ’"0.0'4 100 4 100 3 1 30 0.0333333 Zinc-2n 0.03 CO cn LAB Td #01100280-003 o o NYCDEP - CENTRAL PK NO & LENOX-NYC z If-* « ri» ro ZM\//-'r>rT» 11 a « a tz...^a 4 4 aaoha . .1

NYC-WTC_000210773