NYC-WTC_000220544

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING • METALS IN AIR I CALCULATION FOR OSHA 10121/1250- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | jA= Concentration of Analyte in sample solution (pg/ml) or (mg/Q^^; I jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) a AR= (A X SSV) - (B X BSV) I jSSVb Sample Solution Volume ASSV« Analyte concentration x Sample oiutionVolume j •BSV=Blank Sample Volume BBSV«Blank concentration x Blank Sa AV I IrAB"* Reagent Blank Concentration ((ig/ml) or (mg/L) ! RABSV" Reagent Blank Sample Volume I J O« Dilution Factor (NONE) I Ino gravimetic factors I For the Trip Blank Analytical Value: i AR= (B X BSV) - (RAB X RABSV) I IAV= Air Volume Sampled is IAR=Analytical Result (roundcdjjff^o ^.sigma)_ B X bsvWb^ 1 I AV I * I

A (mg/L) SSV (mL) A X SSV = ASSV B (mg/L) BSV(mL) ASSV-BSSV = AR AV Liters AR/AV ANALYTE APR mg/m’ 0.079 100 7.9 0.109 100 -3 30 -0.1 Aluminum- Al " <0.01 ■"O'CMS" 100 4.5 0035 100 3^ 1 30 0.0333333 Antimony-Sb 0.03 ■■'o'bbe" 100 0.8 -0.007 100 -017 1.5 30 0.05 Arsenic-As 0.05 ■■■d'bbr' 100 0.2 o'.bo2 100 0 30 0 Barium-Ba <0.01 100 0 .......... b 100 0 30 0 Beryllium-Be <0.01 100 0 -o.boT 100 -0J1 0.1 30 0.0033333 Cadmium-Cd <0.01 "b.ssg" 100 58.9 0.548 100 54.IS 30 0.1366667 Calcium-Ca 0.14 ■'o'bby ”6’055” 100 0,7 0.067 100 in I b 0.6 30 0 Chromium-Cr 0.02 Copper-Cu <0.01 0.02 100 5.5 0.049 100 4. 30 ■■’ojs?” 100 18.7 0.419 100 41J9 __________ -23.2 30 -0.7733333 Iron-Fe <0.01 ”-bb‘o‘i” 100 -0.1 '““-bToos 100 0.4 30 0.0133333 Lead-Pb 0.01 ”o7o88” 100 8.8 0.105 100 -1.7 30 -0.0566667 Magnesium-Mg <0.01 ”6’b’26" 100 2.6 0.029 100 2.9 -0.3 30 -0.01 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o H 0.003 100 0.3 0.001 100 o?T 0.2 30 0.0066667 Nickel-NI <0.01 K ■b.278 100 27.8 ■b.369 100 36.9 -9.1 30 -0.3033333 Potassium-K <0.01 I 'o'.bzs' 'oTom I o ■-bbo'i ‘3'48’ 100 100 100 2.3 -0.2 348 -bboT ■3.605' 100 100 100 0.4 -0.1 360.5 1.9 -0.1 -12.5 30 0.0633333 Selenium-Se 30 -0.0033333 Silver-Ag 30 -0.4166667 Sodium-Na 0.06 <0.01 <0.01 o I o ■-bbb’i 100 -0.7 ■-oToo? 100 -0.7 0 30 0 Thallium-TI <0.01 o ■b.b25' 100 2.5 ‘oToie 100 1.8 0.7 30 0.0233333 Zinc-Zn 0.02 CO CO LAB ID #01100235-005 (JI O

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NYC-WTC_000220553