P. Stock

Details der Publikationsliste

Zeitraum

1998 - 2009

Anzahl

90

Co-Autoren

Peroxy radical observations over West Africa during AMMA 2006: photochemical activity in the outflow of convective systems (2009)

M. D. Andrés-Hernández, D. Kartal, L. Reichert, J. P. Burrows, J. Meyer Arnek, M. Lichtenstern, ...

Peroxy radical measurements made on board the DLR-Falcon research aircraft over West Africa within the African Monsoon Multidisciplinary Analysis (AMMA) campaign during the 2006 wet monsoon are...

Peroxy radical observations over West Africa during the AMMA 2006 campaign: Photochemical activity in episodes of formation of convective systems on the basis of radical measurements (2009)

M. D. Andrés-Hernández, D. Kartal, L. Reichert, J. P. Burrows, J. Meyer Arnek, M. Lichtenstern, ...

Peroxy radical measurements made on board the DLR-Falcon research aircraft over West Africa within the African Monsoon Multidisciplinary Analysis (AMMA) campaign during the 2006 wet monsoon are...

Airborne measurements of the nitric acid partitioning in persistent contrails (2009)

D. Schäuble, C. Voigt, B. Kärcher, P. Stock, H. Schlager, M. Krämer, ...

This study reports the first systematic measurements of nitric acid (HNO<sub>3</sub>) uptake in contrail ice particles at typical aircraft cruise altitudes. During the CIRRUS-III campaign...

NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE (2009)

H. Huntrieser, H. Schlager, M. Lichtenstern, A. Roiger, P. Stock, A. Minikin, ...

During the SCOUT-O3/ACTIVE field phase in November–December 2005 airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several...

NO<sub>x</sub> production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE (2009)

H. Huntrieser, H. Schlager, M. Lichtenstern, A. Roiger, P. Stock, A. Minikin, ...

During the SCOUT-O3/ACTIVE field phase in November–December 2005 airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several...

Airborne measurements of the nitric acid partitioning in persistent contrails (2009)

D. Schäuble, C. Voigt, B. Kärcher, P. Stock, H. Schlager, M. Krämer, ...

This study reports the first systematic measurements of nitric acid (HNO<sub>3</sub>) uptake in contrail ice particles at typical aircraft cruise altitudes. During the CIRRUS-III campaign...

NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE (2009)

H. Huntrieser, H. Schlager, M. Lichtenstern, A. Roiger, P. Stock, A. Minikin, ...

During the SCOUT-O3/ACTIVE field phase in November–December 2005, airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several...

Study of LVDS Serial Links for the ATLAS Level-1 Calorimeter Trigger (2008)

Anagnostou Bright-Thomas Garvey, G. Anagnostou, P. Bright-thomas, J. Garvey, R. Staley, W. Stokes, ...

This paper presents an evaluation of the proposed LVDS serial data transmission scheme for the ATLAS level-1 calorimeter trigger. Approximately 7000 high-bandwidth links are required to carry data...

Airborne nitrogen oxides observations from CARIBIC. (2008)

Ziereis, H., Stock, P., Schlager, H., Schumann, U., Brenninkmeijer, C.A.M., Jöckel, P., ...

European Geosciences Union (EGU) General Assembly, Wien, A, April 13-18, 2008

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

Brenninkmeijer, C.A.M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International Airways...

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International Airways...

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system (2007)

C. A. M. Brenninkmeijer, P. Crutzen, F. Boumard, T. Dauer, B. Dix, R. Ebinghaus, ...

An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International Airways...

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

C. A. M. Brenninkmeijer, P. Crutzen, F. Boumard, T. Dauer, B. Dix, R. Ebinghaus, ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International Airways...

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International Airways...

Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: the new CARIBIC system (2007)

Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., ...

A large airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing 767-300 ER of LTU International...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J.P., Pinty, J.P., Duron, J., Mascart, P., Cammas, J.P., ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

C. Mari, J. P. Chaboureau, J. P. Pinty, J. Duron, P. Mascart, J. P. Cammas, ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J.-P., ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J. P., ...

A lightning NOx source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J.-P., ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J. P., ...

A lightning NOx source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NO<sub>x</sub> sources during the TROCCINOX experiment (2006)

C. Mari, J. P. Chaboureau, J. P. Pinty, J. Duron, P. Mascart, J. P. Cammas, ...

A lightning NO<sub>x</sub> source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

C. Mari, J. P. Chaboureau, J. P. Pinty, J. Duron, P. Mascart, J. P. Cammas, ...

A lightning NOx source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J.-P., ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J. P., ...

A lightning NOx source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J.-P., ...

A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Regional lightning NOx sources during the TROCCINOX experiment (2006)

Mari, C., Chaboureau, J. P., Pinty, J. P., Duron, J., Mascart, P., Cammas, J. P., ...

A lightning NOx source (LiNOx) has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases...

Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs) (2005)

C. Voigt, H. Schlager, B. P. Luo, A. Dörnbrack, A. Roiger, P. Stock, ...

A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...

Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs) (2005)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...

Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs) (2005)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...

Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs) (2005)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...

Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs) (2005)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...

Uptake of Reactive Nitrogen on Cirrus Cloud Particles during INCA (2004)

Ziereis, H., Minikin, A., Schlager, H., Gayet, J.-F., Auriol, F., Stock, P., ...

The uptake of reactive nitrogen species on ice crystals in cirrus clouds was investigated by simultaneous aircraft-based measurements of gas- and condensed-phase NOy, ice particle size distribution...

Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...

Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...

Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)

C. Voigt, H. Schlager, B. P. Luo, A. Dörnbrack, A. Roiger, P. Stock, ...

A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...

Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...

Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)

Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...

A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

N. Brough, C. E. Reeves, S. A. Penkett, D. J. Stewart, K. Dewey, J. Kent, ...

In the summer 2000 EXPORT aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C.E., Penkett, Stuart A., Stewart, D.J., Dewey, K., Kent, J.M., ...

This article is licensed under a Creative Commons License and is also available from http://www.copernicus.org/EGU/acp/acp.html, along with further discussion.

Aircraft Observations of NO, NOy, CO, and O3 in the Upper Troposphere from 60°N to 60°S - Interhemispheric Differences at Midlatitudes (2003)

Baehr, J., Schlager, H., Ziereis, H., Stock, P., Velthoven, P. Van, Busen, R., ...

Measurements of NO, NOy, CO, and O3 made in the middle and upper troposphere over Punta Arenas, Chile (53°S) and Prestwick, Scotland (55°N) during the INCA (Interhemispheric Differences in Cirrus...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Dewey, K., Kent, J., Barjat, H., ...

In the summer 2000 Export aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Aircraft measurements of nitrogen oxides, ozone, and carbon monoxide during MINOS 2001: distributions and correlation analyses (2003)

Heland, J., Ziereis, H., Schlager, H., De Reus, M., Traub, M., Lelieveld, J., ...

We present mean altitude profiles of NOx, NOy, O3, and CO as measured by the DLR Falcon aircraft during the MINOS 2001 campaign over the Mediterranean in August 2001 and compare the data with results...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Stewart, D. J., Dewey, K., Kent, J., ...

In the summer 2000 EXPORT aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Dewey, K., Kent, J., Barjat, H., ...

In the summer 2000 Export aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Aircraft measurements of nitrogen oxides, ozone, and carbon monoxide during MINOS 2001: distributions and correlation analyses (2003)

Heland, J., Ziereis, H., Schlager, H., De Reus, M., Traub, M., Lelieveld, J., ...

We present mean altitude profiles of NOx, NOy, O3, and CO as measured by the DLR Falcon aircraft during the MINOS 2001 campaign over the Mediterranean in August 2001 and compare the data with results...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Stewart, D. J., Dewey, K., Kent, J., ...

In the summer 2000 EXPORT aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

N. Brough, C. E. Reeves, S. A. Penkett, K. Dewey, J. Kent, H. Barjat, ...

In the summer 2000 Export aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Dewey, K., Kent, J., Barjat, H., ...

In the summer 2000 Export aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Aircraft measurements of nitrogen oxides, ozone, and carbon monoxide during MINOS 2001: distributions and correlation analyses (2003)

Heland, J., Ziereis, H., Schlager, H., De Reus, M., Traub, M., Lelieveld, J., ...

We present mean altitude profiles of NOx, NOy, O3, and CO as measured by the DLR Falcon aircraft during the MINOS 2001 campaign over the Mediterranean in August 2001 and compare the data with results...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Stewart, D. J., Dewey, K., Kent, J., ...

In the summer 2000 EXPORT aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Dewey, K., Kent, J., Barjat, H., ...

In the summer 2000 Export aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

Aircraft measurements of nitrogen oxides, ozone, and carbon monoxide during MINOS 2001: distributions and correlation analyses (2003)

Heland, J., Ziereis, H., Schlager, H., De Reus, M., Traub, M., Lelieveld, J., ...

We present mean altitude profiles of NOx, NOy, O3, and CO as measured by the DLR Falcon aircraft during the MINOS 2001 campaign over the Mediterranean in August 2001 and compare the data with results...

Intercomparison of aircraft instruments on board the C-130 and Falcon 20 over southern Germany during EXPORT 2000 (2003)

Brough, N., Reeves, C. E., Penkett, S. A., Stewart, D. J., Dewey, K., Kent, J., ...

In the summer 2000 EXPORT aircraft campaign (European eXport of Precursors and Ozone by long-Range Transport), two comprehensively instrumented research aircraft measuring a variety of chemical...

A new automatically operated NO- and NO§y measuring system for CARIBIC: instrumental set-up and first measurements. (2002)

Ziereis, H., Stock, P., Schlager, H., Brenninkmeijer, C.A.M., Slemr, F., Zahn, A.

7th Scientific Conf.of the Internat.Global Atmospheric Chemistry Project (IGAC), Hersonissos, GR, September 18-25, 2002

Traitement des rejets vinicoles par évaporation naturelle accélérée : le procédé NUCLEOS, le module DH, équipé d'un ventilateur (1998)

Stock, P., Capelle, B.

The NUCLEOS system is based on the phenomenon of natural evaporation and accelerates the process. About 95% of the initial volume is evaporated, there is no further wastage in rivers, and the final...

Seroconversion to human immunodeficiency virus in prison inmates.

Horsburgh, C R, Jarvis, J Q, McArther, T, Ignacio, T, Stock, P

We evaluated the prevalence and incidence of human immunodeficiency virus (HIV) infection in 3,837 inmates of a state prison system. Ninety-two (2.4 percent) were HIV-seropositive. The highest...

Seroconversion to human immunodeficiency virus in prison inmates.

Horsburgh, C R, Jarvis, J Q, McArther, T, Ignacio, T, Stock, P

We evaluated the prevalence and incidence of human immunodeficiency virus (HIV) infection in 3,837 inmates of a state prison system. Ninety-two (2.4 percent) were HIV-seropositive. The highest...