How concrete is needed to completely stop Gamma?

I have heard many different answers, but I do not know exactly how much concrete is necessary to stop the gamma rays. There are mixed opinions ranging from 2.5 inches to 16 feet of concrete. I've been looking for an answer online, but no page web. Can anyone help?

It depends on the intensity of the rays of

Gamma (Voyager)

Soldat Louis "Premiere Bordee" Gamma Canada LP $12.00

GAMMA RAY : Heading for Tomorrow $11.99

DJ Qbert Needle Thrashers Gamma Battle Record Sealed! $14.99

GAMMA 2 LP Ronnie Montrose $1.99

LP LOUISE FORESTIER Les grands succeés de GAMMA NRMT $15.00

GAMMA GOOCHEE HIMSELF: I'm So Glad (soul vinyl 45) $30.00

GAMMA GOOCHEE: Booga-looa (rare soul vinyl 45) $40.00

GAMMA GOOCHEE * 1965 MOD BEAT R&B dancer * Hear it! $12.62

Saint-Preux: Missa Amoris LP VG+/NM Canada Gamma GS 222 $5.99

Gamma Knee Kappa Frat Rock Del Counts Buggs Loafers Jerms Snowmen $13.99

1982 GAMMA 3, LP, VG+++PROMO $0.99

Al caiola y su orquesta "Calcutta" LP VG+ GAMMA $3.33

GEORGES DOR (En Titre/Self Titled) LP GAMMA GM-108 EXC $6.99

RICHARD CLAYDERMAN RECUERDOS LP GAMMA RECORDS 1285 MEX $5.98

GAMMA-killer apps/izwha-HIP HOP/BOUNCE/BASS-EXTRA YARD $3.88

Tex Lecor: Ti-Bicycle / Maudit Francais 7" 45 VG++ Canada Gamma SS 1243 $4.99

C. Jerome: C'est Moi / Marilyn 7" 45 VG++ Canada Gamma 1251 $14.99

GAMMA-THUNDER & LIGHTNING-UK 7"-P/S-1947 $7.88

GAMMA, RIGHT THE FIRST TIME, P/S, W13165 $5.09

CANADA FRENCH N MINT SHRINK 33 LP CLAUDE BARZOTTI : LE RITAL : GAMMA REC $14.99

Gamma 2 Gamma vinyl record LP UK K52245 ELEKTRA 1980 $23.61

MICKEY LEE LANE "SHAGGY DOG" Gamma MEXICAN EP 7'' $8.00

GAMMA - Killer Apps / Izwha 12" Single NEW $3.00

JOHNNY ADAMS-'THE BEST OF LUCK TO YOU' ON GAMMA $14.20

SERGE REGGIANI - ALBUM NO. 2 BOBINO GAMMA 8119 LP $6.95

GAMMA RAYS LOVELY 7" *NEW* P/S TEEN BEAT $19.95

FRANK ZAPPA the persuaders tijuana surf MEXICO 1963 LP gamma NM PRISTINE $99.99

NM LP Gamma 1 $4.99

CREEDENCE CLEARWATER REVIVAL Mardi Gras Made in Mexico for Gamma, Emerson $9.99

CREEDENCE CLEARWATER REVIVAL Green River Made in Mexico for Gamma, Emerson $9.99

SAINT-PREUX - PIANO SOUS LA MER, Symph Prog MAGMA, Canada GAMMA Gatefold, LISTEN $6.99

PEDRO MARIN QUE NO/PUENTE DE COLORES 45 GAMMA G-2231 $9.98

GRANDS SUCCES DE GAMMA, LES: Self Titled Double $17.00

LOUISE FORESTIER - L'ACCROCHE COEUR / GAMMA CDN LP EXC $15.87

GAMMA (ROCK/METAL GROUP) dirty city 12" 4 trk b/w four horsemen, solar heat and $10.60

GAMMA (2000'S GROUP) back antlantian 12" 4 trk featuring black atlantian instrum $10.60

GAMMA (ROCK/METAL GROUP) right the first time 7" b/w condition yellow (k131 $11.62

GAMMA (ROCK/METAL GROUP) right the first time 7" b/w condition yellow (k13165) p $11.62

GAMMA (ROCK/METAL GROUP) right the first time 7" b/w now way out (elk12605) pic $11.85

GAMMA (ROCK/METAL GROUP) right the first time 7" edit b/w condition yellow (as13 $11.62

GAMMA (ROCK/METAL GROUP) thunder and lightning 7" b/w razor king (k12459) pic sl $11.62

GAMMA (ROCK/METAL GROUP) something in the air 7" b/w mayday (k12480) uk elektra $11.62

LOUISE FORESTIER S/T FOLK PROG PSYCH ORIG '69 Canada GAMMA LP Nude topless cover $49.21

THE DOORS " IN THE EYE OF THE SUN " GAMMA 1972 - MEXICAN - EP 7´' $12.90

KERRANG PLASTIC EXPLOSIVE 4 various 7" 2 trk flexi featuring gamma ray and lisa $11.62

Q BERT Needle Thrashers Gamma LP Dirtstyle $14.99

FADY Harlem Song / Hovaness Hagopian VG(+) 45 RPM GAMMA LABEL $5.99

CREEDENCE CLEARWATER REVIVAL Pendulum Made in Mexico for Gamma, Emerson $9.99

CREEDENCE CLEARWATER REVIVAL Cosmo's Factory Made in Mexico for Gamma, Emerson $9.99

TED AULETTA exotica GAMMA latin jazz 4 C stereo $9.99

Dci Tea Duckie Floating Tea Infuser $8.75 Add whimsy and mirth to your teacup with the DCI Tea Duckie Tea Infuser. Fill the 18/8 stainless steel mesh infuser with loose tea and let Ducky float around in the hot water until the desired brew strength has been achieved. Lift him out and drop him into his drip cup. Overall size is 2-inch diameter when resting in the drip cup. Hand washing is recommended....

Gama-Go Buddah Butter Dish $20.05 I can't believe it's not Buddha! The Gama-Go ceramic Buddha butter dish holds one stick of butter and keeps it fresh, whether it's on the table or in the refrigerator. This can be a great conversion piece for your kitchen while having a party or a small dinner....

Gama-Go Pot Holder $5.00 How to handle your baked goods! So, what you've got here is a pot holder that LOOKS like a pot leaf! Pot ... pot. Hilarious! Long after the novelty of this aptly-named product wears off, you'll be enjoying its quality construction and convenience. Made of 100% Silicone. Dishwasher safe. Safe for temps up to 500°F/260°C....

Gamma Meditation System $7.63 EXPERIENCE THE BRAIWNAVE STATES OF ADVANCED MEDITATORS In cooperation with the Dalai Lama, researchers have investigated the brainwave patterns of Tibetan Buddhist monks in states of deep meditation. The studies reveal that these advanced meditators produced high levels of a brainwave called GAMMA. Dr. Jeffrey Thompson, a pioneer in the use of sound for healing and altering states of mind, has c...

Awakened Mind System 2.0 $7.56 No Description AvailableNo Track Information AvailableMedia Type: CDArtist: THOMPSON,DR. JEFFREYTitle: AWAKENED MIND SYSTEM 2.0Street Release Date: 06/29/2004...

Shadow Guy and Gamma Gal (Paperback) $6.92 A debut Club Penguin graphic novel features an original story about how the popular super-hero penguins gained their powers and became an infamous team at the Club Penguin theater, where kids stage virtual plays. Original.

Elo Gamma Stainless Steel 7-piece Cookware Set $124.99 Use this Elo gamma stainless steel cookware set with encapsulated double bases to improve your dinners and more. This 18/10 stainless steel cookware set is ideal for new kitchens or updating your current cooking set.

Excel Delta Gamma Cotton Sateen 400 Thread Count Sheet Set $124.99 These Delta Gamma sheets represent your loyalty to your sorority and fraternity. This officially licensed bed sheet set is made of 100-percent combed cotton sateen and is wrinkle free.

D&d Gamma World Roleplaying Game (Board Game) $23.21 A wacky, wily roleplaying game of post-apocalyptic peril.Earth. After the apocalypse. Never mind the radiation—you’re gonna like it here. The D&D® Gamma World™ Ro...

D&d Gamma World Expansion: Legion of Gold (Game) $19.59 More monstrous mutants and adventures for your D&D® Gamma World™ game!The radioactive wastelands of Earth are home to many bizarre and barbaric creatures. The apocalypse hasn’t exactly made the world a better ...

Dr. Jeffrey D. Thompson - Gamma Meditation System 2.0 $9.89 Disc 1:Centered PresenceConnecting to the Infinite

A Southern Belle Primer, Or, Why Princess Margaret Will Never Be a Kappa Kappa Gamma $10.29 A tongue-in-cheek examination of the proprieties and protocols of being a Southern belle.

D&d Gamma World Expansion: Famine in Far-go (Game) $19.59 More monstrous mutants and adventures for your D&D® Gamma World™ game!The radioactive wastelands of Earth are home to many bizarre and barbaric creatures. The apocalypse hasn’t exactly made the world a better ...

Gamma Titanium Aluminide Alloys Science and Technology (Hardcover) $218.65 This first book entirely dedicated to titanium aluminide alloys emphasizes the relation between basic research topics and processing technologies for real applications. As such, it covers complex microstructures down to the nanometer scale, titanium al...

Gamma Ray - Hell Yeah!!!: The Awesome Foursome (And the Finnish Keyboarder Who Didn`t Want to Wear His Donald Duck Costume) - Li $18.67 Disc 1:DISC 1:WelcomeGardens of the SinnerNew World OrderMan on a MissionFightBlood ReligionHeavy Metal UniverseDreamhealerHeart of the UnicornFairytaleSilence, TheDis...