NYC-WTC_000220514

NYC 9/11 Public Portal Document II' PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR [CALCULATION FOR OSHA ID121Z125G^ metals IN AIR VIA CASSETTE FILTER (37MM MILtlPORE) & MOBILE VACUUM PUMPS jA= Concentration of Analyte in samipU solution (ng/ml) ,or (mg/L) J I

I jB=Conccntration df Blank insamjpie solution (pgZml) or (mgZL) ■SSV- Sample Solution Volume ASSV- Analyte concentration x Sample ^olutioh Volume AR= ZA X SSV) - iB X BSV) I ■ BSV= Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume AV I !rAB- Reagent Blank Concentration (pgZml) or (mg/L) !rABSV- Reagent Blank Sample Volume I •d- Dilution Factor (NONE) I Ino graviMetic factors 3 For the Trip Blank Analytical Value: IAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I IAR=Analytical Result AV I IARR-Analytical Reportabic Rcsiilt in mgZm^ (rduiiiiei ofF to 3-sigina) . 1 A(rT<g/L): 0.057 0.129'" 100 100 5.7 12.9 0.068 0.4i9 100 100 u41 i9 -1.1 -29 30 -0.0366667 Aluminum-Al 30 -0.9666667 Antimony-Sb <0.01 <0.01 0.026 ' 100 2.6 0.128 100 12:8 -10.2 30 -0.34 Arsenic-As <0.11 I 0.003 100 0.3 o‘o62 100 0.2 0.1 30 0.0033333 Barium-Ba <0.01 100 0 0.003' 100 0.3 -0.3 30 -0.01 Beryllium-Be <0.01 r"'d.b62"" 100 0.2 oToos 100 0.5 -0.3 30 -0.01 Cadmium-Cd <0.01 ! 0.526 100 52.6 ■o.3i3 100 3T3 21.3 30 0.71 Calcium-Ca 0.71 ■ 0.011 100 1.1 K'die 100 -0.5 30 -0.0166667 Chromium-Cr <0.01 !'""0'.'0'24 100 2.4 ‘0547 wo 4.7 -2.3 30 -0.0766667 Copper-Cu <0.01 !'""0'd7' 100 7 d.'2‘9T 100 29,1 -22.1 30 -0.7366667 Iron-Fe <0.01 i""o'.do9 100 0.9 0'044 100 414 -3.5 30 -0.1166667 Lead-Pb <0.01 i""o"o'56 100 5.6 004? 100 4.1 1.5 30 0.05 Magnesium-Mg 0.05 i“"d.'o'72 100 7.2 '0?09 100 9 -1.8 30 -0.06 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 I i 0.1'58 100 15.8 ‘0.272 100 27j2 -11.4 30 -0.38 Potassium-K <0.01 1----- WX"-"' I 0.034 100 3.4 ‘“6?i4 100 -10.6 30 -0.3533333 Selenium-Se <0.01 S o i""d.do4 100 0.4 ‘oSoe 100 _g^ -0.2 30 -0.0066667 Silver-Ag <0.01 o Tbm o Io j ‘i'.448 i'" ...... 100 144.8 100 188j4 ' -43.6 30 -1.4533333 Sodium-Na <0.01 100 0 -■o‘.‘o‘O4 100 -014 ~ 0.4 30 0.0133333 Thallium-TI 0.01 o i""0‘'0‘42 "o7o‘28 2.8" 100 4.2 100 1.4 30 0.0466667 Zinc-Zn 0.05 CO CO LAB ID #01100592-002

NYCDEP - 138TH & 3RD AVENUE BRONX

NYC-WTC_000220517