NYC-WTC_000220530

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z 631-467-8477 z 5-BORO SAMPLING o METALS IN AIR o 1 co jCALCULATION FOR OSHA ID121/125G - METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBIIJE VACUUM PUMPS ■D o jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) c o I CT o ro jR=Concentration of Blank in sample solution (pg/ml) or (mg/L) o' ro ■D o •SSV= Sample Solution Volume ASSV- Analyte concentration x Sample S alution Volume AR= {AjlSSVXi-(BLX.BSV) I O cn 3. Ca3 03 cn • BSV=Blank Sample Volume ■ BBSV=Blank concentration x Blank San iple Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) s o o o ! RABSV- Reagent Blank Sample Volume I c 3 Jd= Dilution Factor (NONE) i I CD

Ino GIUVIMETIC FACTORS I For the Trip Blank Analytical Value: IAV= Air Volume Sampled I AR= (B X BSV) - (RAB X RABSV) I IAR=Analytical Result I AV I

lAI^=AnaJ^ticaI Rcport^lc_Rcsult in I J J A (mg/L) SSV (mL) A X SSV =^SSV B (mg/L) BSV(mLj B X BSV f A JSV -BgSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.104 100 10.4 OJO?. 100 10. -0.3 30 -0.01 Aluminun^ Al <0.01 O?691 100 9.1 0.01 100 8.1 30 0.27 Antimony-Sb 0.27 ‘drop's 100 2.8 ‘■■■■-0.008 100 -0.8 3.6 30 0.12 Arsenic-As 0.12 O?6O6 100 0.6 ■■■■’0.004 100* 0.-- 0.2 30 0.0066667 Barium-Ba <0.01 100 0 ■■■■”-dx)6T 100 -0. 0.1 30 0.0033333 Beryllium-Be <0.01 ■"■’o?6O3 100 0.3 .....o'ooT 100 _oJ 0.2 30 0.0066667 Cadmium-Cd <0.01 b?781 100 78.1 ■■■■■0,442 100 44.1! ( 33.9 30 1.13 Calcium-Ca 1.13 ■■■■■■d?d23 100 2.3 01)17 100 1.'' 0.6 30 0.02 Chromium-Cr 0.02 "■■‘adi'e 100 1.6 100 1./ 0.2 30 0.0066667 Copper-Cu <0.01 ■■■■"djoTi 100 7.4 0.053 100 5.1 i 2.1 30 0.07 Iron-Fe 0.07 ■■■■"d?dT6 100 1.6 ■■“■o'ooe 100 04 1 30 0.0333333 Lead-Pb 0.03 .......'djAi 100 14.1 100 8.1 6 30 0.2 Magnesium-Mg 0.2 0*032 100 3.2 100 34 0.1 30 0.0033333 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o 0.005 100 0.5 ...,0.002 100 0.3 30 0.01 Nickel-NI 0.01 H '■■■Qj^Vi 100 21.7 0.169 100 16.9 4.8 30 0.16 Potassium-K 0.16 ■■'orib'i 100 10.4 100 3.3 7.1 30 0.2366667 Selenium-Se 0.24 I—i s ■■■6?6d7 100 0.7 100 ~dl 0.5 30 0.0166667 Silver-Ag 0.02 o ■■6?223 100 622.3 100 337.0 284.5 30 9.4833333 Sodium-Na 9.48 o o Io ■■“ojooe 100 -0.6 100 -0.5 -0.1 30 -0.0033333 Thallium-TI <0.01 '■■o?626 100 2.6 6.02 100 2 0.6 30 0.02 Zinc-Zn 0.02 o CO PED ID #01100166-003 CO

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