UNITED STATES MARINE CORPS - Marine Corps Base Quantico

UNITED STATES MARINE CORPSMARINE CORPS BASEQUANTICO, VIRGINIA 22134-5001MCBO 6200.1AB 0322 Jul 02MARINE CORPS BASE ORDER 6200.1AFrom:To:Commanding GeneralDistribution ListSubj:HEAT CASUALTY PREVENTION PROGRAMRef:(a) MCO 6200.1D(b) Naval Preventive Medicine: Chapter 9 (PreventiveMedicine for Ground Forces), Section V (Prevention ofHeat Injuries)(c) MCO 3500.27AEncl:(1) Guidelines for Physical Activity Restrictions(2) Operation and Control of the Wet Bulb GlobeTemperature (WBGT) Index(3) Operation and Control of the Botsball Thermometer(4) Instructions for the Control and Operation of theWet Bulb Globe Temperature (WBGT) Meter(5) Instructions for Use and Care of the Wet Bulb GlobeTemperature (WBGT) Instrument Setup(6) Instructions for Inspection/Maintenance of the WetBulb Globe Temperature (WBGT) Stations(7) Checklist for Inspection of the Wet Bulb GlobeTemperature (WBGT) Stations(8) Report I, Wet Bulb Globe Temperature (WBGT) Index LogSheet for WBGT Meter(9) Report II, Wet Bulb Globe Temperature (WBGT) Index LogSheet for WBGT Instrument Setup(10) Heat Condition Notification Log(11) Report III, Report NAVMED 6500/1Reports Required:Report of Heat/Cold Casualty, NAVMED 6500/1(Report Symbol Exempt), paragraph 4f andenclosure (11)1. Purpose. To provide information necessary for the setup,monitoring, and care of Wet Bulb Globe Thermometer (WBGT)stations or electronic Heat Stress Indicator Monitors, and toprovide instructions which regulate training and lower theincidence of heat casualties.2.Cancellation.3.BackgroundMCBO 6200.1.a. The climate in Quantico, VA from May to September canbest be described as extremely hot and humid. It is not uncommonfor temperatures to reach 100 degrees with dew points rising

MCBO 6200.1A22 Jul 02above 80 percent. Each year during this period MCB, Quanticoexperiences several heat casualties with many resulting in emergencyMEDEVAC. Therefore, caution must be given to all commands and tenantactivities aboard MCB, Quantico to exercise sound judgment,operational risk management per reference (c), and good common sensewhile planning and supervising all activities. Furthermore, it isimperative that all commands not only be familiar with this Order andreferences, but more importantly have firmly in placed the means toeducate all their personnel on associated severe and consistent heatconditions, how to prevent heat-related injuries, and how to treatheat-related injuries.b. The Bureau of Medicine and Surgery has conducted extensiveresearch on the problem of heat injury. References (a) and (b)contain instructions on the prevention of heat casualties. Reference(b) contains comprehensive instructions regarding the prevention ofand first aid treatment for heat casualties. All permanent personnelsupervising training will receive detailed instructions on enclosures(1) and (11) of this Order.c. Exposure to high environment temperatures produces stress onthe body. As the body attempts to compensate, physiological strainresults. This strain, usually in combination with other strainscaused by work, dehydration, and fatigue, may lead to manifestationof heat disorders and disability. Environmental conditions whichinfluence the heat equilibrium of the body and its physiologicadjustments are air temperature, the temperature of surroundingobjects, humidity, and air movement. The impact of these conditionsis influenced by the type and amount of clothing worn and by thebody's physiological mechanisms. The occurrence of heat injuries isnot limited to hot weather. Although heat casualty prevention hasprimary consideration during the period from 1 May to 30 September,it is a year-round concern for all training supervisors.d. Familiarity of this Order, troop information lectures,discussions, heat stress cards, and other similar educationalprograms should be used to enforce the prevention of heatcasualties.4.Tasksa. Range Control Officer, Range Management Branch, G-3.Operate stations and applicable equipment, obtain, record and reportreadings per the enclosures of this Order. Provide MCBorganizations and tenant activities located west of I-95 withaccurate and timely flag and temperature readings. Maintain a phonelog recording the dissemination of this information similar to thatof enclosure (10). The following MCB organizations and tenantactivities include:(1) AC/S G-3:4957/2860/3420(2) TBS:5368/5369(3) EOD:53142

MCBO 6200.1A22 Jul 02(4) Natural Resources:5324(5) Weapons Training Bn (WTBn):(6) ASP:5296(7) Lunga Reservoir:5270(8) Guad Maintenance:(9) FBI:52265311703-640-6131(10) I&I, D Co, 4th LAR Bn, Camp Upshur:4013(11) And, radio transmission to all units in training areaswest of I-95.b. OCS. Operate stations and applicable equipment, obtain,record and report readings per the enclosures of this Order. Act asthe secondary POC in temperature and flag condition readings for MCBeast of I-95. Be prepared to provide the AC/S G-3 with accurate andtimely flag and temperature readings.c. AC/S G-3. Utilize the Weather Station, MCAF (Primary), orOCS (Secondary) to provide MCB organizations and tenant activitieslocated east of I-95 with accurate and timely flag and temperaturereadings. Maintain a phone log recording the dissemination of thisinformation similar to that of enclosure (10). The following MCBorganizations and tenant activities include:(1) MCB Adjutant: 2152/2151(2) HqSvBn:2555/2556(3) SctyBn:4884(4) MSGBn:2082(5) Marine Corps Community Services Division:(6) Naval Medical Clinic (NMCL):1699(7) Training and Education Command:(8) MCU:30069577/97880135(9) MarCorSysCom:2413d. CO OCS and Range Control Officer. CO OCS and Range ControlOfficer will ensure weekly WBGT or Heat Stress Indicator readingcomparisons are conducted to ensure instrument accuracy. If bothorganizations are utilizing different mechanical means of3

MCBO 6200.1A22 Jul 02collecting temperature data, a comparison will still be made inorder to gauge not only the accuracy, but the benefit or cost ofeither apparatus.e. MCB Organizations and Tenant Activities. Establishresourceful and effective methods (SOPs) for the dissemination offlag and temperature readings to the personnel within yourorganization or activity.f. OIC, Branch Clinics. Branch clinics will submit directly tothe NMCL, a copy of Report of Heat/Cold Casualty, NAVMED 6500/1, inevery case of heat illness requiring the attention of a medicalofficer as required by the references (see enclosure (11)). Forwardrequired injury reports to the Director, Safety Division perreference (a).5.Coordinating Instructionsa. Heat Stress Flag Locations. Heat stress flagpoles arelocated at various sites throughout the Base.(1) Lejeune Hall:Branch, G-3).(2) MCAF:(3) OCS:Front, near Command flagpole (TrainingOpposite sentry booth (CO MCAF).Brown Field, front of reviewing stand (CO OCS).(4) SNCOA: Northeast corner of parade deck at streetintersection (Director, SNCOA).(5) AWS:Southwest end of Geiger Hall (Director, AWS).(6) HqSvcBn:(7) TBS:Hall (CO TBS).(8) WTBn:Between Bldgs. 2006 and 2000 (CO HqSvcBn).In front of the parade deck and in front of Ramer600 yard firing line, Range 3 (CO WTBn).(9) Camp Upshur:CO, 4th LAR Bn).Beside the water tower, Bldg. 26147 (I&I, D(10) Range Control:Control Officer).Front of Range Control building (Rangeb. WBGT. There are currently three WBGT Index stations to servethe MCB, Quantico area. These stations will operate per enclosure(2) of this Order.(1) MCAF.East of I-95 (primary reading).(2) OCS.East of I-95 (secondary reading).(3) Range Control.Camp Barret (TBS) west of I-95.4

MCBO 6200.1A22 Jul 026.Action.Commanders will:a. Be aware of the hours of operation at branch clinics, beforeconducting training and/or exercises likely to result in heat stress.b. Disseminate instructions contained in references (b) and (c),and enclosure (1) of reference (a) to all Marines engaged in trainingduring hot weather.c. Use the guidelines contained in enclosure (1) of this Orderin determining the extent of physical activity allowable under thevarious heat stress data classifications.d. Issue Heat Stress Card, MCCDC 6000/7, to all personnelengaged in training during hot weather.e. Ensure all personnel who are responsible for the setup,monitoring and care of the WBGT Stations (and four BotsballThermometers as a backup) have a thorough knowledge of the provisionsof the references and this Order.f. Ensure that all personnel assigned and trained to conducttemperature readings are thoroughly aware of the procedures outlinedin the enclosures of this Order.g. Commanders having WBGT Stations under their cognizance willmaintain instrument sites and meters as required by this Order andprovide the readings for use in the regulation of training.h. Ensure all personnel exercise sound judgment in adjustingactivities during all flag conditions.i. Instruct all personnel if a casualty occurs without medicalattention immediately available, call "911" for transport to PotomacHospital.D. L. WRIGHTChief of StaffDISTRIBUTION:INTERNET5

MCBO 6200.1A22 Jul 02GUIDELINES FOR PHYSICAL ACTIVITY RESTRICTIONS1. Controlling Heat Casualties. Per MCO 6200.1, the Wet Bulb GlobeTemperature (WBGT) Index combines shade, air temperature, radiation,humidity, and wind into a single value to be used as a guide formonitoring training and other physical activities. Training duringthe period of 1 May to 30 September will be conducted per thefollowing heat/flag index:FLAGCONDITIONWBGTINDEXGreen80.0 - 84.9Heavy exercise for un-acclimatizedpersonnel should be conducted with cautionand under constant supervision.Yellow85.0 - 87.9Strenuous exercises, such as hikes, closeorder drill, and obstacle coursessuspended for un-acclimatized personnel.Outdoor classes in direct rays of the sunshall be avoided.Red88.0 - 89.9All physical training halted for personnelnot thoroughly acclimatized. Thosethoroughly acclimatized may performlimited activity not to exceed 6 hours perday.Black90.0 All strenuous nonessential outdoorphysical activity will be halted for allunits as outlined per reference (a).NOTE:PHYSICAL ACTIVITY RESTRICTIONSEssential activities are defined as those activitiesassociated with scheduled exercises or other major trainingevolution where the disruption would cause undue burden onpersonnel or resources, be excessively expensive, orsignificantly reduce a unit’s combat readiness. Essentialoutdoor physical activity will be conducted at a level that iscommensurate with personnel acclimatization as determined bythe unit’s CO in coordination with the unit’s medical officeror medical personnel. All efforts should be made toreschedule these activities during cooler periods of the day.2. Curtailment of Training. As flag conditions progress from greento black, cumulative restrictions are placed on training. Violationof restrictions reduces the margin of safety beyond a permissiblelimit and results in the creation of heat casualties. COs willensure all personnel exercise sound judgment in adjusting activitiesduring all flag conditions.ENCLOSURE (1)1