MWD Ch 4. & 5.

Prior to the initial use of CESK (Canine explosive scent kit), what training must personnel receive?

Thorough training in explosive storage, safety, security, handling, and transportation

How often must explosive training kit users receive explosive safety training? Who delivers the training to explosive training kit users?

Annually, delivered by EOD (explosive ordnance disposal) personnel or qualified explosives handling personnel inside security department

Where is written documentation of explosive safety training forwarded upon completion?

To the primary custodian for inclusion in the explosive training aid accountability folder

who designates explosive handling personnel inside writing?

SECO

Who designates primary and alternate explosive handlers in writing and where is it kept?

SECO, original letters of designation are kept in the explosive training aid accountability folder

May components of the MN76 and MN77 CESK be cut, separated, or divided?

No

What is the total Net Explosive Weight (NEW) of the MN76 CESK kit?

9 lbs

What is the total Net explosive Weight of the MN77 CESK kit?

5.5 lbs

What is the gross weight of the MN76 Kit?

57 lbs

What is the gross weight of the MN77 kit?

53.5 lb

What is the DOWIC / NALC for blasting Agent?

DWDR

What is the DOWIC/NALC for Ammonium Nitrate and Fuel Oil (ANFO)?

DWDS

What is the DOWIC/NALC for Semtex 1A?

DWDT

What is the authorized amount of Emulsion Blasting agent in the MN77 CESK?

Two, 1lb sticks

2 LB

What is the authorized amount of ANFO in the MN77 CESK?

Four, 1/2lb tubes

2 LB

What is the authorized amount of Semtex 1A in the MN77 CESK?

Three 1/2lb bars

1.50 LB

What is the authorized amount of Smokeless powder in MN76 CESK?

4, ½ lb bottles

2 LB

What is the authorized amount of Time fuse in MN76 CESK?

6, 5 Foot lengths

30FT

What is the authorized amount of Composition C4 in the MN76 CESK?

3, 1 ¼ lb blocks

3.75 LB

What is the authorized amount of Trinitrotoluene (TNT) in MN76 CESK?

6, ½ lb blocks

3 LB

What is the authorized amount of Det cord in MN76 CESK?

6, 5 Foot lengths

30FT

How many empty M19A1 containers are received with the scent kits for transport?

11 empty M19A1 Containers for transport to and from storage site and training area

How many months prior to expiration must replacement training aids be ordered?

12 months

Who must be notified immediately of unsafe or suspect explosives ?

EOD

What series ammunition or ordnance allowance must be requested if not already established?

30,000 Series

What entities offer joint training and opportunities for joint training with MWD personnel?

DoD EOD, FBI, ATF, other government agencies, state, county, and large city police department

What is the single base smokeless powder in the scent kit usually made from ?

Gun Cotton (nitrocellulose) with additives

What is the physical description of single base smokeless powder?

black, small-diameter cylinders and rods

How does grain size affect the burn rate of smokeless powder?

smaller grain burns faster

What two factors increase the burn rate of unconfined smokeless powder?

Temperature and pressure

How must smokeless powder be stored to prevent accelerated decomposition?

Away from heat sources or direct sunlight

how often is the stabilizer content of smokeless powder checked throughout its service life?

annually

What is the physical description and color marking of Time Fuse?

Green fiber cord with yellow markings

what is the exact chemical percentage breakdown of black powder in Time Fuse?

74% Potassium Nitrate, 16% charcoal, 10% sulfur

What environmental hazard is Time Fuse (black powder) exceptionally sensitive to?

Electrostatic discharge (ESD)

What rule applies to the taped ends of Time Fuse strands?

Ensure taped ends remain intact and replace immediately if accidentally removed

Time fuse must not come into contact with what?

Water or moisture

What is the exact chemical breakdown of C-4?

91% RDX (Research Development Explosive) and 9% non-explosive plasticizers

What is the energetic component of C-4?

RDX

What is the physical description, texture, and odor of C-4?

White to off-white or light brown, putty-like texture, with an oily odor

What three factors negatively affect the safe handling of C-4?

Electrostatic discharge (ESD), friction, and impact

in what size block is C-4 available as a demolition charge?

1 ¼ pound size

Can C-4 blocks be cut into smaller sections? Why or why not?

No because it may contact hazardous sensitizers

in what form and size is TNT found in the CESK?

¼ pound blocks pressed into two increments, encased in a cardboard tube

Can TNT be absorbed through the skin? what health affects will it cause if so

Yes it can be absorbed through the skin, it may cause headaches, anemia, and skin irritation

what is physical appearance, odor, and taste of bare TNT?

Light yellow to light brown; strong odor and bitter taste when exposed to air

What color does bare TNT turn after several days of exposure to sunlight?

Dark brown

TNT is widely used as what ?

A booster, bursting, and demolition charge

What is Bare TNT susceptible to?

the effects of ESD, impact and friction sensitivities, alkalis, strong acids, sand, glass particles, and metal fragments

What rule applies to defective TNT blocks with removed end caps?

They must not be used for training

What explosive compound and grain amount does Det Cord contain per foot?

42 to 50 grains of pentaerythritol tetranitrate (PETN) per foot

What is the detonation speed and diameter of detonating cord?

Detonated over 25,000 feet per second, supplied in rolls and coils and is approx. 0.20 inches in diameter

How is Det Cord supplied in the scent kit, and what must be done if tape is accidentally removed?

Supplied in 5-foot sections taped at each end; immediately secure with fresh tape if removed

Can Det Cord in the scent kit be cut into smaller sections?

No

What threats are to Det cord?

threats of ESD, especially impact sensitivity and contact with alkalis, strong acids, glass particles, sand and metal fragments, are hazards to avoid

What does Det Cord core look like?

The white powder core is wrapped with a six-layer sheath of textile and plastics with an outer sheath of yellow and olive drab plastic

Explosives should not come into contact with ____?

Heat, shock, friction, water

What is the chemical breakdown for EBA?

Water in a oil mixture that consists of ammonium nitrate (64 percent) with the remaining 36 percent consisting of sodium nitrate, petroleum hydrocarbons, and aluminum

What is the physical packaging, texture, and color of EBA?

Packaged in a thick, cardboard cartridge enclosure, fairly thick, and white in color with a slight oil odor

EBA is stable at normal temperatures but may explode if what?

May explode when subjected to very high temps and when subjected to shock especially when kept in large quantities

Ingestion of large amounts of EBA is _____ ?

Toxic

EBA should not come in contact with what, and why not?

EBA Should not come in contact with peroxides and chlorates because may cause an undesirable explosive reaction

What will be worn when handling EBA?

Protective Nitrile gloves

What is the chemical breakdown of ANFO

96 percent ammonium nitrate and 4 percent fuel oil ( number 2 diesel fuel)

What is the physical appearance and odor of ANFO?

White with a very noticeable fuel oil odor.

Ingestion of ANFO can be _____

Toxic

Do not allow ANFO to come into contact with what and why?

Peroxides and Chlorates because it may cause an undesirable explosive reaction

What must be worn when handling ANFO?

Protective nitrile gloves

What can you refer to for personnel safety and health effects of overexposure to explosives ?

MSDS (safety data sheet)

What is the exact chemical percentage breakdown of Semtex 1A?

83 percent PETN, 16.8 percent binder, and 0.2 percent taggant

Due to the presence of PETN, what are hazards to Semtex 1a?

threats of ESD, especially impact sensitivity and contact with alkalis, strong acids, glass particles, sand and metal fragments, are hazards to avoid (Same as TNT and DC)

What is the chemical name of the taggant in SEMTEX 1A, and what are its characteristics

Di-methyl-di-nitro-butane, it is poisonous and has a relatively strong odor

Why should the enclosure around each Semtex bar not be cut or removed ?

It was made to release very little odor, cutting or removing it releases more of the odor

What PPE is specifically mandatory for handling Semtex 1A?

Food service gloves

How are SC and PC classified and how do they function in IEDs?

They are oxidizers, not explosives, they are used to amplify explosives

How frequently must chlorates used for training be replaced?

Every 3 months, not to exceed 90 calendar days (due to rapid loss of odor)

What is the minimum supply of chlorates that must be kept on hand?

Minimum of 90 days worth

What stock rotation method must be used for chlorates?

First in, first out (FIFO)

Can SC or PC be stored with the MN76 or MN77 kit?

NO

The strength and odor of PC and SC are affected by what?

Exposure to air and moisture

For staging, transportation, and emplacement during a single training evolution, what is the max weight limit that must not be exceeded?

9 lbs

In a training exercise, the total quantity of explosives used must not exceed what?

9 lbs

Do PC, SC, and inert training aids add to the 9 lb weight limit for the total quantity, staging, transportation, and emplacement of aids used during a training evolution?

No

What is used to transfer explosives to the training area ( other than the GOV)

The supplied M19A1 containers

Training with the MN76 and MN77 CESK must not be conducted when?

During or When an electrical storm is within 10 nautical miles of the training area

What do you do if an electrical storm is approaching and you don’t have time to return to the storage area?

Set a perimeter and position the explosives in an open area at least 670ft from occupied buildings and or personnel

Prior to explosives aid training who do you have to notify and what do you have to do?

Notify fire department of training location, amount, and type of explosives to be used. Post MWD training signs and fire symbols on all main entrances and exits

For using the chock in the bomb truck how does the sequence go?

Before driving to or leaving from training area or bunkers when loading explosives, driver puts car in park and puts on brake then another member puts on the chock, the driver can’t get out until the chock is put on and everything is done

When do we change the signs on the bomb truck?

Anytime we have explosives in the bomb truck

What size and rating of fire extinguisher must be present at the training site and in the transport vehicle?

Minimum rating 10 pound B/C fire extinguisher

What gloves must be used when handling training aids, and when must they be changed?

Food service or powder free nitrile gloves, change gloves each time a new aid is handled to prevent cross contamination

What is the smoking distance around the training area?

Prohibited within the 100 foot perimeter of the training area (outside signs)

What is the exact text required for training area safety signs?

“DANGER MILITARY EXPLOSIVE TRAINING IN PROGRESS KEEP OUT” ( if in foreign country, wording will also be in local language)

What is the color wording on the safety signs for the explosive training and how far away must it be viewable from?

Wording in white with a red background, must be viewable from 100 feet

When do you collect training aids? Training aids should be kept under constant _____?

Immediately after training has ended. Surveillance

What is a OPNAV 5585/6?

Canine Validity Test Data (used to record explosive training aid and inert training)

How long is a OPNAV 5585/6 kept?

Minimum of 3 years

Who must verify accountability of al training aids before leaving the training location?

The explosive recipient and another explosive team member

How many primary and alternate custodians are required per command?

One primary custodian and as many alternates as deemed necessary

Who is required to maintain an explosive training aid accountability folder?

The primary and alternate custodians