NYC-WTC_000210860

z HtONtAULr ASSOCIA l ES, ING. NYCDEP - WTC z 631-467-8477 5-BORO SAMPLING . o o METALS IN AIR co g o |CALCULATION FOR OSHA 1D121/125G - METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS I ■D o c o jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) j CT o I o' ro j B=Concentration of Blank in sample solution (pg/ml) or (mg/L) ■D o o co o> jSSV= Sample Solution Volume ASSV= Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. CD 03 ■ BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I o !rAB==^ Reagent Blank Concentration (pg/ml) or (mg/L) o o c ! RABSV-Reagent Blank Sample Volume I 3 CD J D= Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: IAV= Air Volume Sampled AR= (B X BSV ) ■ (RAB X RABSV) I I AR=Analytical Result AV I I ARR=Analytical Reportable Result in mg/m^ (rounded off to 3-sigma)

A (mg/L) SSV (mL) A X SSV = ASSV B (mg/L) BSV (mL) B X BSV = BBSV ASSV -BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.133 100 13.3 0.121 100 12.1 1.2 30 0.04 Aluminum- Al 0.04 0.059“’ 100 5.9 100 0 5.9 30 0.1966667 Antimony-Sb 0.2 100 0.1 100 0 0.1 30 0.0033333 Arsenic-As <0.01 ! — 0.004 100 0.4 ‘o“do3 100 0.3 0.1 30 0.0033333 Barium-Ba <0.01 w I -- ---------------------------------

1 -0.001 -0.1 -'o’.’o’oi' 100 -0.1 0 30 0 Beryllium-Be <0.01 ! d'bdi""' 100 0.1 b ‘. ‘o’oi' 100 0.1 0 30 0 Cadmium-Cd <0.01 ! b'sei""’ 100 56.1 o^T 100 66.1 -10 30 -0.3333333 Calcium-Ca <0.01 i 0.009”“ 100 0.9 o?6T 100 1 -0.1 30 -0.0033333 Chromium-Cr <0.01 r~yo3"“' 100 3 0.027 100 2.7 0.3 30 0.01 Copper-Cu 0.01 ! 0.064“' 100 6.4 0J82 100 18.2 -11.8 30 -0.3933333 Iron-Fe <0.01 ! 0.021”" 100 2.1 d.ofi’ 100 2.1 0 30 0 Lead-Pb <0.01 I d'.To7““ 100 10.7 0.T43 100 14.3 -3.6 30 -0.12 Magnesium-Mg <0.01 ! 0.062"" 100 0.2 0.003 100 0.3 -0.1 30 -0.0033333 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.001 100 0.1 0.002 100 0.2 -0.1 30 -0.0033333 Nickel-NI <0.01 K "OJS I 0.172 100 17.2 100 15 2.2 30 0.0733333 Potassium-K 0.07 "oToa" ‘ 0.022 I o 0.’038 2.987 100 100 100 298.7 2 3.8 ""ojoT “3'.'755 100 100 100 2.2

375.5 1 -0.2 2.8 -76.8 30 -0.0066667 Selenium-Se 30 0.0933333 Silver-Ag 30 -2.56 Sodium-Na <0.01 0.09 <0.01 o I o 0.005 100 0.5 100 0.5 0 30 0 Thallium-Tl <0.01 0.033 100 3.3 0.035 100 3.5 -0.2 30 -0.0066667 Zinc-Zn <0.01 o "lab Td #01090311 -005 on

NYCDEP -ATLANTIC AV & SMITH STR. BROOKLYN c;/JEM FILES/NYCDEP-HAZMAT/01090311 .xIs