NYC-WTC_000220560

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631-467-8477 5-BORO SAMPLING ■<

o o io jCALCULATION FOR OSHA 1P121/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR j co

I ■D o jA=« Concentration of Analyte in sample solution (pg/ml) or (mg/L) c o CT o I ro j B=Concentration of Blank in sample solution (pg/ml) or (mg/L) o' ro "0 o cn jSSV- Sample Solution Volume ASSV« Analyte concentration x Sample': oiatidb Volunic AR= (A X SSV ) - (B X BSV) I o C3> ■ BSV=Blank Sample Volume BBSV=BIank concentration x Blank Sal ipIi Volutoe: 9L AV I O . RAB= Reagent Blank Concentration (pg/ml) or (mg/L) o o c ! RABSV» Reagent Blank Sample Volume X- I 3 CD 3 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 |AR=AnaIytical Result AV I lA^=Analytical Rej^rtable_Result in m^/m’ (rounded_oflF to 3-sigma) ¥t!

A (mg/L) SSV(mL) AxSSV = ASSV B (mg/L) BSV (mL) BxBSV^ BBSV ASSV-BSSV = AR AVLIters AR/AV ANALYTE ARR mg/n? 0.114 100 11.4 0.106 100 10,^ 0.8 30 0.0266667 Aluminum- Al 0.03 "■”0J07“ JOO 10.7 0543 100 4.3“ 6.4 30 0.2133333 Antimony-Sb 0.21 !■ 100 8.7 b'O22 100 2.2" 6.5 30 0.2166667 Arsenic-As 0.22 0.002 ■■"o.bO2"' 100 0.2 0.002 b5oT 100 3" 0 30 0 Barium-Ba <0.01

"'~0.b03"~ 100 100 0.2 0.3 o5oT 100 100 0.1 32' 0.1 0.2 30 0.0033333 Beryllium-Be 30 0.0066667 Cadmium-Cd <0.01 <0.01 ’"'0.865 ' 100 86.5 0.364 100 31m' 50.1 30 1.67 Calcium-Ca 1.67 ■""b?03"‘' ■■"0.033"" 100 100 3 3.3 0.015 o5O4 100 100 3' 1.5 2.9 30 0.05 Chromium-Cr 30 0.0966667 Copper-Cu 0.05 0.1 ■■"0.085"" 100 OB6 100 -10.1 30 -0.3366667 Iron-Fe <0.01 ■■"o5T"" 100 1 b’.b22 100 -1.2 30 -0.04 Lead-Pb <0.01 ■"■0.055‘" 100 5.5 100 -1.3 0.068 30 -0.0433333 Magnesium-Mg <0.01 ■"0.087"" 100 8.7 b‘O79 100 7.9 0.8 30 0.0266667 Manganese-Mn 0.03 o 100 100 I 30 Mercury-Hg <0.01 H 100 2.2 0.003 100 0.3 i 1.9 30 0.0633333 Nickel-NI 0.06 K 0.155 0.T43 I 100 15.5 100 14.$ 1.2 30 0.04 Polassium-K 0.04

o I ■■■0.08i"

"■2.266" 100 100 100 8.1 0 220.6 b’osT 0?(55E 1 T.504 100 100 100 _3.1 0.01 150.4 -0.01 70.2 5 30 0.1666667 Selenium-Se 30 -0 30 3333 Silver-Ag 2.34 Sodium-Na 0.2 <0.01 2.34 o Io .... "o"" 100 0 ■"-b’boT 100 -0.1 0.1 30 0.0033333 Thallium-TI <0.01 o '■"0.035" 100 3.5 0.025 100 2.5 1 30 0.0333333 Zinc-Zn 0.03 CO CO LAB ID #01100327-001 r CR •?

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