NYC-WTC_000220592

z PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z -< 631-467-8477 5-BORO SAMPLING ■<

o o g METALS IN AIR- co

I o jCALCUlAlIQN FOR OSHA1P121/125^ METALS IN AIR VIA CASSETTE FILTER (37MM MlLLIPOltE) & MOBILE VACUUM PUMPS | ■D o c o I A- Concentration of Analyte in sample solution (|Xg/ml) or (mg/L) CT o I ro o' ro j Concentration of Blank in sample solution (|Ig/ml) or (mgZL) ■D o o cn I CD ■SSV» Sample Solution Volume ASSY- Analyte concentration X Sample Solution Volume AR= (A X SSV) - (B X BSV) 3. 03 Ca5 iBSV-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

■d- Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: i AV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I |AR=Analytical Result AV I I ARR=Ansi^ical Rcjwn^lcJlemltJn mg/m^ —___________________ I

0.096 100 9.6 0.126 100 12.6 -3 30 -0.1 Aluminum- Al <0.01 O.TlT 100 11.1 ‘o'osT 100 3.1 8 30 0.2666667 Antimony-Sb 0.27 o'oie 100 1.6 -0.007 100 -0.7 2.3 30 0.0766667 Arsenic-As 0.08 o'iioa 100 0.3 '0'063 100 0.3 0 30 0 Barium-Ba <0.01 o.'o'oi' 100 0.1 ■o.'o'6i' 100 0.1 0 30 0 Beryllium-Be <0.01 o.'o'oi' 100 0.1 '■oTooT 100 0.1 0 30 0 Cadmium-Cd <0.01 O.'6'66 100 60.6 ■^8 100 62.8 -2.2 30 -0.0733333 Calcium-Ca <0.01 O.'o'67 100 0.7 ...opoyj 100 0.7 0 30 0 Chromium-Cr <0.01 O.oii’ 100 1.1 0.013 100 1.3 -0.2 30 -0.0066667 Copper-Cu <0.01 0.1'96 100 19.6 "2.324 100 232.4 -212.8 30 -7.0933333 Iron-Fe <0.01 o'oos 100 0.8 '0.066 100 0.6 0.2 30 0.0066667 Lead-Pb <0.01 o.'o'oi' 100 9.1 100 9.6 -0.5 30 -0.0166667 Magnesium-Mg <0.01 0'.078 WO 7.8 100 8.5 -0.7 30 -0.0233333 Manganese-Mn <0.01 o 100 100 30 Mercu^-Hg <0.01 H 0.002 100 0.2 "o'.o6'2 100 0.2 0 30 0 Nickel-NI <0.01 ""6‘.'o'76 100 7.6 "0'.'0'8'6 100 8.6 -1 30 -0.0333333 Potassium-K <0.01 I—i s ""6'.'o'42' 100 4.2 “o''66i 100 -0.1 4.3 30 0.1433333 Selenium-Se 0.14 o ““o.'d6i'' 100 0.1 ■oTooi 100 0.1 0 30 0 Silver-Ag <0.01 o o "■■l'632' 100 163.2 i''2 100 120 43.2 30 1.44 Sodium-Na 1.44 Io o ""'o'ooe' 100 -0.6 -O.'o'6'8 100 -0.8 0.2 30 0.0066667 Thallium-TI <0.01 "”6'.'d25 100 2.5 ■o7d28 100 2.8 -0.3 30 -0.01 Zinc-Zn <0.01 CO CO (JI "lAbTd #01110051 -001 cn CO co NYCDEP - BROADWAY & 31 ST QUEENS r.-ZIC»4 CH CC/MVr'nCD UA'7»<AT/rv,rm innc-l wlr-