NYC-WTC_000210754

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING . METALS IN AIR jCALCUIAnON FORpSHAj mi21/125G^ MBTA^ IN AIR VU CASSETTE FIC^R (3^M MILU^ VACUUM PUMPS ] I A» Concentration of Analyte in sample solation (pg/ml) or (mg/L) I jB^Concentration of Blank in sample solution (pg/ml) or (mg/L) • SSV- Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I ■BSV=Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) ! RABSV- Reagent Blank Sample Volume I Jd- Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: AR= (B X BSV) - (RAB X RABSV) I IAV- Air Volume Sampled lAR-Analytical Result AV I IA]^=Analytical ___________________

0.081 100 8.1 0.086 100 8.6 -0.5 30 -0.0166667 Aluminum-Al <0.01 d?i'i'8 100 11.8 0.058 100 5.8 6 30 0.2 Antimony-Sb 0.2 'djOOT 100 0.7 -0”005 100 -0.5 1.2 30 0.04 Arsenic-As 0.04 'odds 100 0.3 0.003 100 0.3 0 30 0 Barium-Ba <0.01 .....d 100 0 d 100 0 0 30 0 Beryllium-Be <0.01 d?ddi 100 0.1 o.ooT 100 0.1 0 30 0 Cadmium-Cd <0.01 'odde 100 39.6 '0.422 100 42.2 -2.6 30 -0.0866667 Calciunr-Ca <0.01 'odds 100 0.8 100 0.7 0.1 30 0.0033333 Chromium-Cr <0.01 dd'i's 100 1.5 ”0.0'69 100 0.9 0.6 30 0.02 Copper-Cu 0.02 ddde 100 3.6 'old? 100 10.4 -6.8 30 -0.2266667 Iron-Fe <0.01 odds 100 0.8 'd'.'o'd'6 100 0.6 0.2 30 0.0066667 Lead-Pb <0.01 dd62 100 6.2 "d.'o'y? 100 7.7 -1.5 30 -0.05 Magnesium-Mg <0.01 '6d'4'4 100 4.4 'd'.'d39 100 3.9 0.5 30 0.0165667 Manganese-Mn 0.02 100 30 Mercury-Hg <0.01 o 0 100 0 -0.001 100 -0.1 0.1 30 0.0033333 Nickel-NI <0.01 H K ■d?i48 100 14.8 '0.148 100 14.8 0 30 0 Potassium-K <0.01 I to "oddi 2.4 ■o.'o'oT 100 0.1 2.3 30 0.0766667 Selenium-Se 0.08 I o ’dddi “iddi 100 100 100 0.1 199.1 ■o.'o'oi' "2?i5 100 100 0.1 215 0 -15.9 30 30 0 Silver-Ag -0.53 Sodium-Na <0.01 <0.01 o Io -ddd7 100 -0.7 -o.*diT 100 -1.1 0.4 30 0.0133333 Thallium-TI 0.01 o ’ddi's 100 1.5 ■d.'di6 100 1.6 -0.1 30 -0.0033333 Zinc-Zn <0.01 CO CR PED ID #01100027-003 O CO CO NYCDEP - CENTRAL PK NO & LENOX-NYC r~-i ichti CM CC/Mvr'ncD UI A "T** nnrin-7 „ir.

NYC-WTC_000210759