Table 1: Nickel and vanadium mean concentrations (±standard error), their ratio, and the increase of winter Ni above summer Ni in NYC and vicinity

From: Semi-continuous speciation analyses for ambient air particulate matter: An urgent need for health effects studies

Site IDSite nameLat.Long. Mean valueΔNi (winter− summer) (ng/m3)
     Ni±SE (ng/m3)V±SE (ng/m3)Ni/V 
West of NYC (NJ, Sterling Forest)
 340070003Camden, NJ39.92−75.10Winter4.5±0.06.8±0.10.671.31
    Summer3.2±0.05.5±0.10.58 
 340230006Trenton, NJ40.47−74.43Winter3.5±0.03.1±0.01.150.92
    Summer2.6±0.02.4±0.01.10 
 340273001Chester, NJ40.79−74.68Winter2.2±0.01.8±0.01.21−0.06
    Summer2.3±0.11.9±0.01.20 
 340390004Elizabeth, NJ40.64−74.21Winter5.9±0.07.0±0.10.840.81
    Summer5.1±0.17.4±0.10.69 
 BRIG1Brigantine NWR39.47−74.45Winter1.4±0.03.0±0.00.460.26
    Summer1.1±0.03.4±0.00.34 
 SFSterling Forest41.20−74.26Winter8.0±0.14.0±0.01.990.32
    Summer7.6±0.14.5±0.01.72 
         
New York City
 360610062Canal Street40.72−74.00Winter17.9±0.28.0±0.12.2410.56
    Summer7.3±0.17.3±0.10.99 
 NEYOlIS52, Bronx40.82−73.90Winter18.7±0.17.1±0.02.6411.35
    Summer7.4±0.15.7±0.01.30 
 360050110IS52, Bronx40.82−73.90Winter22.5±0.17.5±0.03.0012.86
    Summer9.6±0.15.5±0.01.76 
 360050083Bronx Bot. gardens40.87−73.88Winter29.4±0.18.2±0.03.6018.27
    Summer11.1±0.04.8±0.02.30 
 HUNTHunter college40.77−73.96Winter35.6±0.110.6±0.03.3619.28
    Summer16.3±0.08.9±0.01.83 
 CMSNYU central monitor40.74−73.98Winter50.1±0.312.4±0.14.0533.24
    Summer16.8±0.15.9±0.02.86 
 OUTNYU home studyVariesVariesWinter42.5±0.314.0±0.13.0327.20
    Summer15.3±0.18.9±0.11.72 
 360810124Queens CC40.74−73.82Winter18.6±0.17.2±0.02.5612.02
    Summer6.6±0.05.7±0.01.15 
         
East of NYC (CT)
 90090027New Haven (STN)41.30−72.90Winter5.8±0.08.7±0.10.66−0.55
    Summer6.3±0.114.3±0.20.44 
 90091123New Haven (IMP)41.31−72.92Winter5.7±0.24.7±0.11.202.25
    Summer3.4±0.25.1±0.20.66 
 MOMOlMohawk Mtn41.82−73.30Winter1.2±0.01.6±0.00.77−0.13
    Summer1.3±0.01.8±0.00.74 
 90019003Westport41.12−73.34Winter2.4±0.32.7±0.30.89−0.07
    Summer2.5±0.33.1±0.30.80